Thoracic Surgery, C71 P621-648 Flashcards
What does VATS stand for?
P621
Video-Assisted Thoracic Surgery
THORACIC OUTLET SYNDROME (TOS)
What is it?
P621
Compression of the: Subclavian artery Subclavian vein or Brachial plexus at the superior outlet of the thorax
THORACIC OUTLET SYNDROME (TOS)
What are the causes (3)?
P621
1. Various congenital anomalies, including cervical rib or abnormal fascial bands to the first rib, or abnormal anterior scalene muscle 2. Trauma: Fracture of clavicle or first rib Dislocation of humeral head Crush injuries 3. Repetitive motor injuries (baseball pitchers)
THORACIC OUTLET SYNDROME (TOS)
What are the symptoms?
P621
Paresthesias (neck, shoulder, arm, hand);
90% in ulnar nerve distribution
Weakness (neural/arterial)
Coolness of involved extremity (arterial)
Edema, venous distension, discoloration
(venous)
THORACIC OUTLET SYNDROME (TOS)
What are the most common
symptoms with TOS?
P621
Neurologic
THORACIC OUTLET SYNDROME (TOS)
Which nerve is most often
involved?
P621
Ulnar nerve
THORACIC OUTLET SYNDROME (TOS)
What are the signs?
P622
Paget-von Schroetter syndrome—venous thrombosis leading to edema, arm discoloration, and distension of the superficial veins Weak brachial and radial pulses in the involved arm Hypesthesia/anesthesia Occasionally, atrophy in the distribution of the ulnar nerve Positive Adson maneuver/Tinel’s sign Edema
THORACIC OUTLET SYNDROME (TOS)
What is the Adson
maneuver?
P622
Evaluates for arterial compromise Patient: 1. Extends neck (lifts head) 2. Takes a deep breath and holds 3. Turns head toward examined side Physician: Monitors radial pulse on examined side Test finding is positive if the radial pulse decreases or disappears during maneuver
THORACIC OUTLET SYNDROME (TOS)
What is Tinel’s test?
P622
Tapping of the supraclavicular fossa
producing paresthesias
THORACIC OUTLET SYNDROME (TOS)
What is the treatment?
P622
Physical therapy (vast majority of cases)
Decompression of the thoracic outlet by
resecting the first rib and cervical rib
(if present) if physical therapy fails
and as a last resort
CHESTWALL TUMORS BENIGN TUMORS What are the most common types? P622
- Fibrous rib dysplasia (posterolateral rib)
- Chondroma (at costochondral
junction) - Osteochondroma (any portion of rib)
CHESTWALL TUMORS
BENIGN TUMORS
What is the treatment?
P622
Wide excision and reconstruction with
autologous or prosthetic grafts
CHESTWALL TUMORS MALIGNANT TUMORS What are the most common types? P623
- Fibrosarcoma
- Chondrosarcoma
- Osteogenic sarcoma
- Rhabdomyosarcoma
- Myeloma
- Ewing’s sarcoma
CHESTWALL TUMORS
MALIGNANT TUMORS
What is the treatment?
P623
Excision with or without radiation
CHESTWALL TUMORS
MALIGNANT TUMORS
What is Tietze’s syndrome?
P623
Noninfectious costochondral cartilage
inflammation
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What is it?
P623
Fluid in the pleural space
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What are the causes?
P623
- Pulmonary infections (pneumonia)
- Congestive heart failure (CHF)
- SLE or rheumatoid arthritis
- Pancreatitis (sympathetic effusion)
- Trauma
- Pulmonary embolism
- Renal disease
- Cirrhosis
- Malignancy (mesothelioma,
lymphoma, metastasis) - Postpericardiotomy syndrome
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What are the symptoms?
P623
Dyspnea, pleuritic chest pain
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What are the signs?
P623
Decreased breath sounds, dullness to
percussion, egophony at the upper limit
DISEASES OF THE PLEURA PLEURAL EFFUSION What are the properties of a transudate? P623
Specific gravity <3 g/dL
Few cells
DISEASES OF THE PLEURA PLEURAL EFFUSION What are the properties of an exudate? P623
Specific gravity >1.016
Protein >3 g/dL
Many cells
DISEASES OF THE PLEURA PLEURAL EFFUSION What is the key diagnostic test? P624
Thoracentesis (needle drainage) with
studies including cytology
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What is the treatment?
P624
- Pigtail catheter or thoracostomy (chest
tube) - Treat underlying condition
- Consider sclerosis
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What is an empyema?
P624
Infected pleural effusion; must be
drained, usually with chest tube(s)
Decortication may be necessary if the
empyema is solid
DISEASES OF THE PLEURA
PLEURAL EFFUSION
What is a decortication?
P624
Thoracotomy and removal of an infected
fibrous rind from around the lung (think
of it as taking off a fibrous “cortex” from
the lung)
DISEASES OF THE PLEURA LUNG ABSCESS What are the signs/ symptoms? P624
Fever, sputum, sepsis, fatigue
DISEASES OF THE PLEURA LUNG ABSCESS What are the associated diagnostic studies? P624
CXR: air-fluid level CT scan to define position and to differentiate from an empyema Bronchoscopy (looking for cancer/culture)
DISEASES OF THE PLEURA
LUNG ABSCESS
What is the treatment?
P624
Antibiotics and bronchoscopy for culture
and toilet, with or without surgery
DISEASES OF THE PLEURA LUNG ABSCESS What are the indications for surgery? P624
Underlying cancer/tumor
Refractory to antibiotics
DISEASES OF THE PLEURA LUNG ABSCESS What are the surgical options? P624
Lobectomy of lobe with abscess
Tube drainage
DISEASES OF THE PLEURA LUNG ABSCESS What is middle lobe syndrome? P624
Recurrent right middle lobe pneumonia
caused most commonly by intermittent
extrinsic bronchial obstruction
DISEASES OF THE PLEURA
HEMOPTYSIS
What is it?
P624
Bleeding into the bronchial tree
DISEASES OF THE PLEURA
HEMOPTYSIS
What are the causes?
P625
- Bronchitis (50%)
- Tumor mass (20%)
- TB (8%)
Other causes: bronchiectasis, pulmonary
catheters, trauma
DISEASES OF THE PLEURA
HEMOPTYSIS
Define MASSIVE hemoptysis
P625
>600 cc/24 hours
DISEASES OF THE PLEURA
HEMOPTYSIS
What comprises the workup?
P625
CXR
Bronchoscopy
Bronchial A-gram
DISEASES OF THE PLEURA HEMOPTYSIS What is the treatment if massive? P625
Bronchoscopy, intubation of unaffected side, Fogarty catheter occlusion of bleeding bronchus, bronchial A-gram with or without embolization, surgical resection of involved lung
DISEASES OF THE PLEURA HEMOPTYSIS What is the treatment of moderate to mild bleeding? P625
Laser coagulation, +/– epinephrine
injection
DISEASES OF THE PLEURA
SPONTANEOUS PNEUMOTHORAX
What is it?
P625
Atraumatic spontaneous development of
a pneumothorax
DISEASES OF THE PLEURA
SPONTANEOUS PNEUMOTHORAX
What are the causes?
P625
Idiopathic (primary), bleb disease,
emphysema, etc. (secondary)
DISEASES OF THE PLEURA SPONTANEOUS PNEUMOTHORAX What body habitus is associated with spontaneous pneumothorax? P625
Thin and tall
DISEASES OF THE PLEURA
SPONTANEOUS PNEUMOTHORAX
How is the diagnosis made?
P625
CXR
DISEASES OF THE PLEURA
SPONTANEOUS PNEUMOTHORAX
What is the treatment?
P625
Chest tube
DISEASES OF THE PLEURA SPONTANEOUS PNEUMOTHORAX What are the options if refractory, recurrent, or bilateral? P625
Pleurodesis: scar the lung to the parietal
pleura with a sclerosant (talc) via chest
tube/thoracoscopy, or by thoracotomy
and mechanical abrasion
DISEASES OF THE PLEURA SPONTANEOUS PNEUMOTHORAX Who might also need a pleurodesis after the first episode? P625
Those whose lifestyles place them at
increased risk for pneumothorax (e.g.,
pilots, scuba divers)
DISEASES OF THE PLEURA SPONTANEOUS PNEUMOTHORAX What is a catamenial pneumothorax? P626
Pneumothorax due to intrathoracic
endometriosis
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What is it? P626
Primary pleural neoplasm
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What are the two types? P626
- Localized
2. Diffuse (highly malignant)
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What are the risk factors? P626
Exposure to asbestos
Smoking
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What are the symptoms? P626
Dyspnea and pain = 90%
Localized: pleuritic pain, joint pain and
swelling, dyspnea
Diffuse: chest pain, malaise, weight loss,
cough
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What are the signs? P626
Pleural effusion:
Localized (10%–15%)
Diffuse ( >75%)
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What are the associated radiographic tests? P626
X-ray may reveal a peripheral mass, often
forming an obtuse angle with the chest
wall; CT scan is also performed
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma How is the diagnosis made? P626
Pleural biopsy, pleural fluid cytology
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What is the treatment if localized? P626
Surgical excision
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What is the treatment if diffuse? P626
Early stages may be resected, followed
by radiation; for more advanced stages,
radiation, chemotherapy, or both are done
DISEASES OF THE PLEURA MESOTHELIOMA Malignant Mesothelioma What is the prognosis? P626
Localized: poor
Diffuse: dismal (average life span after
diagnosis is about 1 year)
DISEASES OF THE PLEURA MESOTHELIOMA Benign Mesothelioma What is it? P626
Benign pleural mesothelioma
DISEASES OF THE PLEURA MESOTHELIOMA Benign Mesothelioma What pleura is usually involved? P626
Visceral pleura
DISEASES OF THE PLEURA MESOTHELIOMA Benign Mesothelioma What is the gross appearance? P627
Pedunculated “broccoli or cauliflower”
tumor on a stalk coming off of the lung
DISEASES OF THE PLEURA MESOTHELIOMA Benign Mesothelioma What is the treatment? P627
Surgical resection with at least 1 cm clear
margin
DISEASES OF THE PLEURA MESOTHELIOMA Benign Mesothelioma What is the prognosis? P627
In contrast to malignant mesothelioma, the
benign mesothelioma has an excellent prognosis
with cure in the vast majority of cases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the annual incidence of lung cancer in the United States? P627
170,000 new cases/year
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the number of annual deaths from lung cancer? P627
150,000; most common cancer death in
the United States in men and women
DISEASES OF THE LUNGS
BRONCHOGENIC CARCINOMA
What is the #1 risk factor?
P627
Smoking (85%!)
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA Does asbestos exposure increase the risk in patients who smoke? P627
Yes
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What type of lung cancer arises in nonsmoking?Adenocarcinoma P627
Adenocarcinoma
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA Cancer arises more often in which lung? P627
Right > left; upper lobes > lower lobes
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the signs/ symptoms? P627
Change in a chronic cough Hemoptysis, chest pain, dyspnea Pleural effusion (suggests chest wall involvement) Hoarseness (recurrent laryngeal nerve involvement) Superior vena cava syndrome Diaphragmatic paralysis (phrenic nerve involvement) Symptoms of metastasis/paraneoplastic syndrome Finger clubbing
DISEASES OF THE LUNGS
BRONCHOGENIC CARCINOMA
What is Pancoast’s tumor?
P628
Tumor at the apex of the lung or superior
sulcus that may involve the brachial
plexus, sympathetic ganglia, and vertebral
bodies, leading to pain, upper extremity
weakness, and Horner’s syndrome
DISEASES OF THE LUNGS
BRONCHOGENIC CARCINOMA
What is Horner’s syndrome?
P628
Injury to the cervical sympathetic chain; Think: “MAP” 1. Miosis (small pupil) 2. Anhydrosis of ipsilateral face 3. Ptosis
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the four most common sites of extrathoracic metastases? P628
- Bone
- Liver
- Adrenals
- Kidney
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are paraneoplastic syndromes? P628
Syndromes that are associated with tumors but may affect distant parts of the body; they may be caused by hormones released from endocrinologically active tumors or may be of uncertain etiology
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA Name five general types of paraneoplastic syndromes. P628
1. Metabolic: Cushing’s, SIADH, hypercalcemia 2. Neuromuscular: Eaton-Lambert, cerebellar ataxia 3. Skeletal: hypertrophic osteoarthropathy 4. Dermatologic: acanthosis nigricans 5. Vascular: thrombophlebitis
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the associated radiographic tests? P628
CXR, CT scan, PET scan
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA How is the tumor diagnosed? P628
- Sputum cytology
- Needle biopsy (CT or fluoro guidance)
- Bronchoscopy with brushings, biopsies,
or both - With or without mediastinoscopy,
mediastinotomy, scalene node biopsy,
or open lung biopsy for definitive
diagnosis
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA For each tumor listed, recall its usual site in the lung and its natural course: Squamous cell? P629
66% occur centrally in lung hilus; may
also be a Pancoast’s tumor; slow growth,
late metastasis; associated with smoking
(Think: Squamous = Sentral)
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA For each tumor listed, recall its usual site in the lung and its natural course: Adenocarcinoma? P629
Peripheral, rapid growth with
hematogenous/nodal metastasis,
associated with lung scarring
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA For each tumor listed, recall its usual site in the lung and its natural course: Small (oat) cell? P629
Central, highly malignant, usually not
operable
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA For each tumor listed, recall its usual site in the lung and its natural course: Large cell? P629
Usually peripheral, very malignant
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage Ia? P629
Tumor <3 cm, no nodes, no metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage Ib? P629
Tumor 3–5 cm, no nodes, no
metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage IIa? P629
1. Tumor <5 cm and positive nodes to lung or ipsilateral hilum; no metastases, or 2. Tumor 5–7 cm, no nodes, no metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage IIb? P629
1. Tumor 5–7 cm and positive nodes in lung or ipsilateral hilum, or 2. Tumor that invades chest wall, diaphragm, mediastinal pleura, phrenic nerve, pericardial sac, or bronchus (not carina) and no nodes, no metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage IIIa? P630
- Tumor 7 cm or extends into chest
wall, parietal pleura, diaphragm,
phrenic nerve, or pericardium and
+ lymph node metastases to ipsilateral,
mediastinal, or subcarinal nodes - Any size tumor that invades heart,
great vessels, trachea, esophagus,
carina, or ipsalateral lobe, or + nodes
peribronchial and/or ipsilateral hilum,
or intrapulmonary nodes
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage IIIb? P630
Any tumor, + lymph node metastases to
contralateral hilum or mediastinum
Supraclavicular/scalene nodes, NO
distant metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the AJCC stages of carcinoma of the lungs: Stage IV? P630
Distant metastases
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the surgical contraindications for NON-small cell carcinoma? P630
Stage IV, Stage IIIb, poor lung function
FEV1 <0.8L
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment by stage for NON-small cell lung carcinoma: Stage I? P630
Surgical resection
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment by stage for NON-small cell lung carcinoma: Stage II? P630
Surgical resection
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment by stage for NON-small cell lung carcinoma: Stage IIIa? P630
Chemotherapy and XRT +/- surgical
resection
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment by stage for NON-small cell lung carcinoma: Stage IIIb? P630
Chemotherapy and XRT
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment by stage for NON-small cell lung carcinoma: Stage IV? P630
Chemotherapy +/- XRT
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the treatment for isolated brain metastasis? P630
Surgical resection
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the approximate prognosis (5-year survival) after treatment of NON-small cell lung carcinoma by stage: Stage I? P631
50%
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the approximate prognosis (5-year survival) after treatment of NON-small cell lung carcinoma by stage: Stage II? P631
30%
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the approximate prognosis (5-year survival) after treatment of NON-small cell lung carcinoma by stage: Stage III? P631
<10%
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is the approximate prognosis (5-year survival) after treatment of NON-small cell lung carcinoma by stage: Stage IV? P631
1%
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA How is small cell carcinoma treated? P631
Chemotherapy +/- XRT (very small
isolated lesions can be surgically resected)
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What are the contraindications to surgery for lung cancer? P631
Think: “STOP IT” Superior vena cava syndrome, Supraclavicular node metastasis, Scalene node metastasis Tracheal carina involvement Oat cell carcinoma (treat with chemotherapy +/- radiation) Pulmonary function tests show FEV1 <0.8L Infarction (myocardial); a.k.a. cardiac cripple Tumor elsewhere (metastatic disease)
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What postoperative FEV1 must you have? P631
FEV1 >800 cc; thus, a preoperative FEV1 >2L is usually needed for a pneumonectomy If FEV1 is <2L, a ventilation perfusion scan should be performed
DISEASES OF THE LUNGS BRONCHOGENIC CARCINOMA What is hypertrophic pulmonary osteoarthropathy? P631
Periosteal proliferation and new bone
formation at the end of long bones and
in the bones of the hand (seen in 10%
of patients with lung cancer)
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What are they?
P631
Peripheral circumscribed pulmonary
lesions
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What is the differential diagnosis? P632
Granulomatous disease, benign
neoplasms, malignancy
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What percentage are malignant? P632
Overall, 5% to 10% (but >50% are
malignant in smokers >50 years)
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
Is there a gender risk?
P632
Yes; the incidence of coin lesions is 3
to 9x higher and malignancy is nearly
twice as common in men as in women
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What are the symptoms?
P632
Usually asymptomatic with solitary
nodules, but may include coughing,
weight loss, chest pain, and hemoptysis
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What are the signs?
P632
Physical findings are uncommon; clubbing
is rare; hypertrophic osteoarthropathy
implies 80% chance of malignancy
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
How is the diagnosis made?
P632
CXR, chest CT
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What is the significance of “popcorn” calcification? P632
Most likely benign (i.e., hamartoma)
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What are the risk factors for malignancy? P632
1. Size: lesions >1 cm have a significant chance of malignancy, and those >4 cm are very likely to be malignant 2. Indistinct margins (corona radiata) 3. Documented growth on follow-up x-ray (if no change in 2 years, most likely benign) 4. Increasing age
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What are the associated lab tests? P632
- TB skin tests, etc.
- Sputum cultures
- Sputum cytology is diagnostic in 5% to
20% of cases
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) Which method of tissue diagnosis is used? P632
Chest CT scan with needle biopsy,
bronchoscopy ( +/- transtracheal biopsy),
excisional biopsy (open or thoracoscopic)
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What is the treatment?
P633
Surgical excision is the mainstay of
treatment
Excisional biopsy is therapeutic for
benign lesions, solitary metastasis, and
for primary cancer in patients who are
poor risks for more extensive surgery
Lobectomy for centrally placed lesions
Lobectomy with node dissection for
primary cancer (if resectable by
preop evaluations)
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) Which solitary nodule can be followed without a tissue diagnosis? P633
Popcorn calcifications
Mass unchanged for 2 years on previous
CXR
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What is the prognosis?
P633
For malignant coin lesions <2 cm, 5-year
survival is ≈70%
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What if the patient has an SPN and pulmonary hypertrophic osteoarthropathy? P633
>75% chance of carcinoma
DISEASES OF THE LUNGS SOLITARY PULMONARY NODULES (COIN LESIONS) What is hypertrophic pulmonary osteoarthropathy? P633
Periosteal proliferation and new bone
formation at the end of long bones and in
bones of the hand
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What is its incidence?
P633
≈7% of patients with lung cancer
2%–12%
DISEASES OF THE LUNGS
SOLITARY PULMONARY NODULES (COIN LESIONS)
What are the signs?
P633
Associated with clubbing of the fingers;
diagnosed by x-ray of long bones,
revealing periosteal bone hypertrophy
DISEASES OF THE LUNGS
CARCINOID TUMOR
What is it?
P633
APUD (Amine-Precursor Uptake and
Decarboxylation) cell tumor of the bronchus
DISEASES OF THE LUNGS CARCINOID TUMOR What is its natural course in the lung? P633
Slow growing (but may be malignant)
DISEASES OF THE LUNGS CARCINOID TUMOR What are the primary local findings? P633
Wheezing and atelectasis caused by
bronchial obstruction/stenosis
DISEASES OF THE LUNGS CARCINOID TUMOR What condition can it be confused with? P634
Asthma
DISEASES OF THE LUNGS
CARCINOID TUMOR
How is the diagnosis made?
P634
Bronchoscopy reveals round red-yellowpurple
mass covered by epithelium that
protrudes into bronchial lumen
DISEASES OF THE LUNGS
CARCINOID TUMOR
What is the treatment?
P634
Surgical resection (lobectomy with lymph
node dissection)
Sleeve resection is also an option for
proximal bronchial lesions
DISEASES OF THE LUNGS
CARCINOID TUMOR
What is a sleeve resection?
P634
Resection of a ring segment of bronchus
(with tumor inside) and then end-to-end
anastomosis of the remaining ends,
allowing salvage of lower lobe
DISEASES OF THE LUNGS CARCINOID TUMOR What is the prognosis (5-year survival) after complete surgical resection of carcinoid: Negative nodes? P634
>90% alive at 5 years
DISEASES OF THE LUNGS CARCINOID TUMOR What is the prognosis (5-year survival) after complete surgical resection of carcinoid: Positive nodes? P634
66% alive at 5 years
DISEASES OF THE LUNGS CARCINOID TUMOR What is the most common benign lung tumor? P634
Hamartoma (normal cells in a weird
configuration)
DISEASES OF THE LUNGS
PULMONARY SEQUESTRATION
What is it?
P634
Abnormal benign lung tissue with
separate blood supply that DOES NOT
communicate with the normal
tracheobronchial airway
DISEASES OF THE LUNGS PULMONARY SEQUESTRATION Define the following terms: Interlobar P634
Sequestration in normal lung tissue
covered by normal visceral pleura
DISEASES OF THE LUNGS PULMONARY SEQUESTRATION Define the following terms: Extralobar P634
Sequestration not in normal lung covered
by its own pleura
DISEASES OF THE LUNGS
PULMONARY SEQUESTRATION
What are the signs/symptoms?
P634
Asymptomatic, recurrent pneumonia
DISEASES OF THE LUNGS
PULMONARY SEQUESTRATION
How is the diagnosis made?
P634
CXR, chest CT, A-gram, U/S with
Doppler flow to ascertain blood supply
DISEASES OF THE LUNGS PULMONARY SEQUESTRATION What is the treatment in the following cases: Extralobar? P635
Surgical resection
DISEASES OF THE LUNGS PULMONARY SEQUESTRATION What is the treatment in the following cases: Intralobar? P635
Lobectomy
DISEASES OF THE LUNGS PULMONARY SEQUESTRATION What is the major danger during surgery for sequestration? P635
Anomalous blood supply from below the diaphragm (these can be cut and retract into the abdomen resulting in exsanguination!) Always document blood supply by A-gram or U/S with Doppler flow
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What structures lie in the following locations: Superior mediastinum? P635
Aortic arch, great vessels, upper trachea,
esophagus
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What structures lie in the following locations: Anterior mediastinum? P635
Thymus, ascending aorta, lymph nodes
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What structures lie in the following locations: Middle mediastinum? P635
Heart, lower trachea and bifurcation,
lung hila, phrenic nerves, lymph nodes
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What structures lie in the following locations: Posterior mediastinum? P635
Esophagus, descending aorta, thoracic
duct, vagus and intercostal nerves,
sympathetic trunks, azygous and
hemizygous veins, lymph nodes
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What is the major differential diagnosis for tumors of the mediastinum: Anterior mediastinum? P635
Classic “four Ts”: Thyroid tumor,
Thymoma, Terrible lymphoma,
Teratoma; also parathyroid tumor,
lipoma, vascular aneurysms
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What is the major differential diagnosis for tumors of the mediastinum: Middle mediastinum? P635
Lymphadenopathy (e.g., lymphoma,
sarcoid), teratoma, fat pad, cysts,
hernias, extension of esophageal mass,
bronchogenic cancer
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What is the major differential diagnosis for tumors of the mediastinum: Posterior mediastinum? P636
Neurogenic tumors, lymphoma, aortic
aneurysm, vertebral lesions, hernias
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What is the most common type of tumor arising in the mediastinum? P636
Neurogenic (most commonly in posterior
mediastinum)
DISEASES OF THE MEDIASTINUM MEDIASTINAL ANATOMY What is the differential diagnosis for a neurogenic tumor? P636
Schwannoma (a.k.a. neurolemmoma),
neurofibroma, neuroblastoma,
ganglioneuroma, ganglioneuroblastoma,
pheochromocytoma
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma Where are they found in the mediastinum? P636
Anterior
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma How is the diagnosis made? P636
CT scan
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What is the treatment? P636
All thymomas should be surgically resected
via midline sternotomy
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What are the indications for postop radiation therapy? P636
Invasive malignant tumor
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What are the indications for preop chemotherapy? P636
Tumor >6 cm and CT scan with invasion
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What percentage of thymomas are malignant? P636
≈25%
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma How is a malignant thymoma diagnosed? P636
At surgery with invasion into surrounding
structures (not by histology!)
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What is myasthenia gravis? P636
Autoimmune disease with antibodies
against the muscle acetylcholine receptors
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What percentage of patients with myasthenia gravis have a thymoma? P636
≈15%
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Thymoma What percentage of patients with thymoma have or will have myasthenia gravis? P636
≈75%!
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What are they? P537
Tumors of branchial cleft cells; the
tumors contain ectoderm, endoderm, and
mesoderm
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What is a dermoid cyst? P637
Teratoma made up of ectodermal
derivatives (e.g., teeth, skin, hair)
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas Which age group is affected? P637
Usually adolescents, but can occur at
any age
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas Where in the mediastinum do they occur? P637
Anterior
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What are the characteristic x-ray findings? P637
Calcifications or teeth; tumors may be
cystic
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What percentage are malignant? P637
≈15%
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What is the treatment of benign dermoid cysts? P637
Surgical excision
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas What is the treatment of malignant teratoma? P637
Preoperative chemotherapy until tumor
markers are normal, then surgical
resection
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Teratomas Which tumor markers are associated with malignant teratomas? P637
AFP, CEA
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Neurogenic Tumors What is the incidence? P637
Most common mediastinal tumors in all
age groups
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Neurogenic Tumors Where in the mediastinum do they occur? P637
Posterior, in the paravertebral gutters
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Neurogenic Tumors What percentage are malignant? P637
50% in children
10% in adults
DISEASES OF THE MEDIASTINUM PRIMARY MEDIASTINAL TUMORS Neurogenic Tumors What are the histologic types (5)? (Note cells of origin and whether benign or malignant.) P638
- Neurilemmoma or schwannoma
(benign)—arise from Schwann cell
sheaths of intercostal nerves - Neurofibroma (benign)—arise from
intercostal nerves; may degenerate into: - Neurosarcoma (malignant)
- Ganglioneuroma (benign)—from
sympathetic chain - Neuroblastoma (malignant)—also
from sympathetic chain
DISEASES OF THE MEDIASTINUM LYMPHOMA Where in the mediastinum does it occur? P638
Anywhere, but most often in the
anterosuperior mediastinum or hilum
in the middle mediastinum
DISEASES OF THE MEDIASTINUM LYMPHOMA What percentage of lymphomas involve mediastinal nodes? P638
≈50%
DISEASES OF THE MEDIASTINUM
LYMPHOMA
What are the symptoms?
P638
Cough, fever, chest pain, weight loss,
SVC syndrome, chylothorax
DISEASES OF THE MEDIASTINUM
LYMPHOMA
How is the diagnosis made?
P638
- CXR, CT scan
- Mediastinoscopy or mediastinotomy
with node biopsy
DISEASES OF THE MEDIASTINUM
LYMPHOMA
What is the treatment?
P638
Nonsurgical (chemotherapy, radiation,
or both)
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Acute Mediastinitis What is it? P638
Acute suppurative mediastinal infection
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Acute Mediastinitis Name the six etiologies. P638
1. Esophageal perforation (Boerhaave’s syndrome) 2. Postoperative wound infection 3. Head and neck infections 4. Lung or pleural infections 5. Rib or vertebral osteomyelitis 6. Distant infections
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Acute Mediastinitis What are the clinical features? P639
Fever, chest pain, dysphagia (especially
with esophageal perforation), respiratory
distress, leukocytosis
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Acute Mediastinitis What is the treatment? P639
- Wide drainage
- Treatment of primary cause
- Antibiotics
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Chronic Mediastinitis What is it? P639
Mediastinal fibrosis secondary to chronic
granulomatous infection
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Chronic Mediastinitis What is the most common etiology? P639
Histoplasma capsulatum
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Chronic Mediastinitis What are the clinical features? P639
50% are asymptomatic; symptoms are related to compression of adjacent structures: SVC syndrome, bronchial and esophageal strictures, constrictive pericarditis
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Chronic Mediastinitis How is the diagnosis made? P639
CXR or CT may be helpful, but surgery/
biopsy often makes the diagnosis
DISEASES OF THE MEDIASTINUM MEDIASTINITIS Chronic Mediastinitis What is the treatment? P639
Antibiotics; surgical removal of the
granulomas is rarely helpful
DISEASES OF THE MEDIASTINUM
SUPERIOR VENA CAVA SYNDROME
What is it?
P639
Obstruction of the superior vena cava,
usually by extrinsic compression
DISEASES OF THE MEDIASTINUM
SUPERIOR VENA CAVA SYNDROME
What is the #1 cause?
P639
Malignant tumors cause 90% of cases;
lung cancer is by far the most common;
other tumors include thymoma,
lymphoma, and Hodgkin’s disease
DISEASES OF THE MEDIASTINUM SUPERIOR VENA CAVA SYNDROME What are the clinical manifestations? P639
1. Blue discoloration and puffiness of the face, arms, and shoulders 2. CNS manifestations may include headache, nausea, vomiting, visual distortion, stupor, and convulsions. 3. Cough, hoarseness, and dyspnea
DISEASES OF THE MEDIASTINUM
SUPERIOR VENA CAVA SYNDROME
What is the treatment?
P640
- Diuretics and fluid restriction
- Prompt radiation therapy +/-
chemotherapy for any causative cancer
DISEASES OF THE MEDIASTINUM
SUPERIOR VENA CAVA SYNDROME
What is the prognosis?
P640
SVC obstruction itself is fatal in 5% of
cases; mean survival time in patients with
malignant obstruction is ≈7 months
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS What are the primary functions of the Upper and Lower Esophageal Sphincters? P640
UES: swallowing
LES: prevention of reflux
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS The esophageal venous plexus drains inferiorly into the gastric veins. Why is this important? P640
Gastric veins are part of the portal venous
system; portal hypertension can thus be
referred to the esophageal veins, leading
to varices
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the esophageal muscle type: Proximal 1/3 P640
Skeletal muscle
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the esophageal muscle type: Middle 1/3 P640
Smooth muscle > skeletal muscle
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the esophageal muscle type: Distal 1/3 P640
Smooth muscle
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the blood supply to the esophagus: Proximal 1/3 P640
Inferior thyroid, anterior intercostals
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the blood supply to the esophagus: Middle 1/3 P640
Esophageal arteries, bronchial arteries
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Identify the blood supply to the esophagus: Distal 1/3 P640
Left gastric artery, left inferior phrenic artery
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS What is the length of the esophagus? P640
≈25 cm in the adult (40 cm from teeth to
LES)
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS Why is the esophagus notorious for anastomotic leaks? P640
Esophagus has no serosa (same as the distal
rectum)
DISEASES OF THE ESOPHAGUS ANATOMIC CONSIDERATIONS What nerve runs with the esophagus? P641
Vagus nerve
DISEASES OF THE ESOPHAGUS
ZENKER’S DIVERTICULUM
What is it?
P641 (picture)
Pharyngoesophageal diverticulum; a false diverticulum containing mucosa and submucosa at the UES at the pharyngoesophageal junction through Killian’s triangle
DISEASES OF THE ESOPHAGUS ZENKER’S DIVERTICULUM What is the disease’s “claim to fame”? P641
Most common esophageal diverticulum
DISEASES OF THE ESOPHAGUS ZENKER’S DIVERTICULUM What are the signs/ symptoms? P641
Dysphagia, neck mass, halitosis, food
regurgitation, heartburn
DISEASES OF THE ESOPHAGUS
ZENKER’S DIVERTICULUM
How is the diagnosis made?
P641
Barium swallow
DISEASES OF THE ESOPHAGUS
ZENKER’S DIVERTICULUM
What is the treatment?
P641
- Diverticulectomy
2. Cricopharyngeus myotomy, if >2 cm
DISEASES OF THE ESOPHAGUS
ACHALASIA
What is it?
P641
- Failure of the LES to relax during
swallowing - Loss of esophageal peristalsis
DISEASES OF THE ESOPHAGUS
ACHALASIA
What are the proposed
P641
- Neurologic (ganglionic degeneration
of Auerbach’s plexus, vagus nerve, or
both); possibly infectious in nature - Chagas’ disease in South America
DISEASES OF THE ESOPHAGUS ACHALASIA What are the associated long-term conditions? P642
Esophageal carcinoma secondary to
Barrett’s esophagus from food stasis
DISEASES OF THE ESOPHAGUS
ACHALASIA
What are the symptoms?
P642 (picture)
Dysphagia for both solids and liquids,
followed by regurgitation; dysphagia for
liquids is worse
DISEASES OF THE ESOPHAGUS ACHALASIA What are the diagnostic findings? P642
v\Radiographic contrast studies reveal dilated esophageal body with narrowing inferiorly Manometry: motility studies reveal increased pressure in the LES and failure of the LES to relax during swallowing
DISEASES OF THE ESOPHAGUS ACHALASIA What are the treatment options? P642
- Balloon dilation of the LES
- Medical treatment of reflux versus
Belsey Mark IV 270 fundoplication
(do not perform 360 Nissen) - Myotomy of the lower esophagus and
LES
DISEASES OF THE ESOPHAGUS
DIFFUSE ESOPHAGEAL SPASM
What is it?
P642
Strong, nonperistaltic contractions of the
esophageal body; sphincter function is
usually normal
DISEASES OF THE ESOPHAGUS DIFFUSE ESOPHAGEAL SPASM What is the associated condition? P642
Gastroesophageal reflux
DISEASES OF THE ESOPHAGUS
DIFFUSE ESOPHAGEAL SPASM
What are the symptoms?
P642
Spontaneous chest pain that radiates to
the back, ears, neck, jaw, or arms
DISEASES OF THE ESOPHAGUS DIFFUSE ESOPHAGEAL SPASM What is the differential diagnosis? P643
Angina pectoris
Psychoneurosis
Nutcracker esophagus
DISEASES OF THE ESOPHAGUS DIFFUSE ESOPHAGEAL SPASM What are the associated diagnostic tests? P643
Esophageal manometry: Motility studies reveal repetitive, highamplitude contractions with normal sphincter response Upper GI may be normal, but 50% show segmented spasms or corkscrew esophagus Endoscopy
DISEASES OF THE ESOPHAGUS DIFFUSE ESOPHAGEAL SPASM What is the classic finding on esophageal contrast study (UGI)? P643
“Corkscrew esophagus”
DISEASES OF THE ESOPHAGUS
DIFFUSE ESOPHAGEAL SPASM
What is the treatment?
P643
Medical (antireflux measures, calcium
channel blockers, nitrates)
Long esophagomyotomy in refractory cases
DISEASES OF THE ESOPHAGUS
NUTCRACKER ESOPHAGUS
What is it also known as?
P643
Hypertensive peristalsis
DISEASES OF THE ESOPHAGUS
NUTCRACKER ESOPHAGUS
What is it?
P643
Very strong peristaltic waves
DISEASES OF THE ESOPHAGUS
NUTCRACKER ESOPHAGUS
What are the symptoms?
P643
Spontaneous chest pain that radiates to
the back, ears, neck, jaw, or arms
DISEASES OF THE ESOPHAGUS NUTCRACKER ESOPHAGUS What is the differential diagnosis? P643
Angina pectoris
Psychoneurosis
Diffuse esophageal spasm
DISEASES OF THE ESOPHAGUS NUTCRACKER ESOPHAGUS What are the associated diagnostic tests? P643
1. Esophageal manometry: motility studies reveal repetitive, high-amplitude contractions with normal sphincter response 2. Results of UGI may be normal (rule out mass) 3. Endoscopy
DISEASES OF THE ESOPHAGUS
NUTCRACKER ESOPHAGUS
What is the treatment?
P643
Medical (antireflux measures, calcium
channel blockers, nitrates)
Long esophagomyotomy in refractory cases
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What is it?
P644
Reflux of gastric contents into the lower esophagus resulting from the decreased function of the LES
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What are the causes?
P644
.1. Decreased LES tone
- Decreased esophageal motility
- Hiatal hernia
- Gastric outlet obstruction
- NGT
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Name four associated conditions/factors P644
- Sliding hiatal hernia
- Tobacco and alcohol
- Scleroderma
- Decreased endogenous gastrin
production
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What are the symptoms?
P644
Substernal pain, heartburn, regurgitation;
symptoms are worse when patient is
supine and after meals
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
How is the diagnosis made?
P644
1. pH probe in the lower esophagus reveals acid reflux 2. EGD shows esophagitis 3. Manometry reveals decreased LES pressure 4. Barium swallow
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What is the initial treatment?
P644
Medical: H(2)-blockers, antacids,
metoclopramide, omeprazole
Elevation of the head of the bed; small,
multiple meals
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Which four complications require surgery? P644
- Failure of medical therapy
- Esophageal strictures
- Progressive pulmonary insufficiency
secondary to documented nocturnal
aspiration - Barrett’s esophagus
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Describe each of the following types of surgery: Nissen P644
360 fundoplication: wrap fundus of
stomach all the way around the esophagus
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Describe each of the following types of surgery: Belsey Mark IV P645
270 fundoplication: wrap fundus of
stomach, but not all the way around
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Describe each of the following types of surgery: Hill P645
Tighten arcuate ligament around
esophagus and tack stomach to diaphragm
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Describe each of the following types of surgery: Lap Nissen P645
Nissen via laparoscope
DISEASES OF THE ESOPHAGUS ESOPHAGEAL REFLUX Describe each of the following types of surgery: Lap Toupet P645
Lap fundoplication posteriorly with less
than 220 to 250 wrap used with decreased
esophageal motility; disadvantage is more
postoperative reflux
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What is Barrett’s esophagus?
P645
Replacement of the lower esophageal
squamous epithelium with columnar
epithelium secondary to reflux
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
Why is it significant?
P645
This lesion is premalignant
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL REFLUX
What is the treatment?
P645
People with significant reflux should be followed with regular EGDs with biopsies, H(2)-blockers, and antireflux precautions; many experts believe that patients with severe dysplasia should undergo esophagectomy
DISEASES OF THE ESOPHAGUS CAUSTIC ESOPHAGEAL STRICTURES Which agents may cause strictures if ingested? P645
Lye, oven cleaners, drain cleaners, batteries,
sodium hydroxide tablets (Clinitest)
DISEASES OF THE ESOPHAGUS
CAUSTIC ESOPHAGEAL STRICTURES
How is the diagnosis made?
P645
History; EGD is clearly indicated early
on to assess the extent of damage
( <24 hrs); scope to level of severe injury
(deep ulcer) only, water soluble contrast
study for deep ulcers to rule out perforation
DISEASES OF THE ESOPHAGUS CAUSTIC ESOPHAGEAL STRICTURES What is the initial treatment? P645
- NPO/IVF/H2-blocker
- Do not induce emesis
- Corticosteroids (controversial—
probably best for shallow/moderate
ulcers), antibiotics (penicillin/
gentamicin) for moderate ulcers - Antibiotic for deep ulcers
- Upper GI at 10 to 14 days
DISEASES OF THE ESOPHAGUS CAUSTIC ESOPHAGEAL STRICTURES What is the treatment if a stricture develops? P646
Dilation with Maloney dilator/balloon catheter In severe refractory cases, esophagectomy with colon interposition or gastric pull-up
DISEASES OF THE ESOPHAGUS CAUSTIC ESOPHAGEAL STRICTURES What is the long-term follow-up? P646
Because of increased risk of esophageal
squamous cancer (especially with
ulceration), patients endoscopies every
other year
DISEASES OF THE ESOPHAGUS
CAUSTIC ESOPHAGEAL STRICTURES
What is a Maloney dilator?
P646
Mercury-filled rubber dilator
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What are the two main types? P646
- Adenocarcinoma at the GE junction
- Squamous cell carcinoma in most of
the esophagus
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the most common histology? P646
Worldwide: squamous cell carcinoma
(95%!)
USA: adenocarcinoma
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the age and gender distribution? P646
Most common in the sixth decade of life;
men predominate, especially black men
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What are the etiologic factors (5)? P646
- Tobacco
- Alcohol
- GE reflux
- Barrett’s esophagus
- Radiation
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL CARCINOMA
What are the symptoms?
P646
Dysphagia, weight loss
Other symptoms include chest pain,
back pain, hoarseness, symptoms of
metastasis
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What comprises the workup? P646
- UGI
- EGD
- Transesophageal ultrasound (TEU)
- CT scan of chest/abdomen
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the differential diagnosis? P646
Leiomyoma, metastatic tumor, lymphomas,
benign stricture, achalasia, diffuse
esophageal spasm, GERD
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL CARCINOMA
How is the diagnosis made?
P647
- Upper GI localizes tumor
- EGD obtains biopsy and assesses
resectability - Full metastatic workup (CXR, bone
scan, CT scan, LFTs)
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Describe the stages of adenocarcinoma esophageal cancer: Stage I P647
Tumor: invades lamina propria,
muscularis mucosae, or submucosa
Nodes: negative
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Describe the stages of adenocarcinoma esophageal cancer: Stage IIa P647
Tumor: invades muscularis propria
(grade 3)
Nodes: negative
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Describe the stages of adenocarcinoma esophageal cancer: Stage IIb P647
- Tumor: invades up to muscularis
propria
Nodes: positive regional nodes - Invades adventitia with negative nodes
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Describe the stages of adenocarcinoma esophageal cancer: Stage III P647
- Tumor: invades adventitia
Nodes: positive regional nodes - Tumor: invades adjacent structures
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Describe the stages of adenocarcinoma esophageal cancer: Stage IV P647
Distant metastasis
DISEASES OF THE ESOPHAGUS
ESOPHAGEAL CARCINOMA
What is the treatment?
P647
Esophagectomy with gastric pull-up or
colon interposition
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is an Ivor-Lewis procedure? P647
Laparotomy and right thoracotomy with
gastroesophageal anastomosis in the chest
after esophagectomy
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Treatment options with metastatic disease (unresectable)? P647
Chemotherapy and XRT +/- dilation,
stent, laser, electrocoagulation,
brachytherapy, photodynamic laser therapy
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is a “blunt esophagectomy”? P647
Esophagectomy with “blunt” transhiatal
dissection of esophagus from abdomen
and gastroesophageal anastomosis in the
neck
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the operative mortality rate? P648
≈5%
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA Has radiation therapy and/or chemotherapy been shown to decrease mortality? P648
No
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the postop complication rate? P648
≈33%!
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the prognosis (5-year survival) by stage: I? P648
66%
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the prognosis (5-year survival) by stage: II? P648
25%
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the prognosis (5-year survival) by stage: III? P648
10%
DISEASES OF THE ESOPHAGUS ESOPHAGEAL CARCINOMA What is the prognosis (5-year survival) by stage: IV? P648
Basically 0%