Clinical Features of Lung Cancer and Staging Flashcards
What cancer causes the most deaths?
Lung cancer
How many cancer deaths are due to lung cancer?
1 in 5 (22%)
What percentage of lung cancer does smoking account for?
>85%
What are some risk factors for lung cancer?
Smoking (more than 85%)
Passive smoking
Asbestos
Radon
Air pollution
Diesel exhause
What are some of the symptoms of lung cancer?
Chronic coughing
Coughing up blood
Wheezing sound
Chest infections
Difficulty swallowing
Rapsy, hoarse voice
Shortness of breath
Unexplained weight loss
Nail clubbing
What is paraneoplastic syndrome?
Symptoms due to cancer but is not due to the local presence of cancer cells
What are some metastatic symptoms of advanced lung cancer?
Bone pain
Spinal cord compression
Cerebral metastases
Thrombosis
What do cerebral metastasis lead to?
Headache
Vomiting
Dizziness
What does spinal cord compression lead to?
Limb weakness
Paraesthesia
Bladder/bowel dysfunction
What is paraesthesia?
Burning or prickling sensation
What is a burning or prickling sensation called?
Paraesthesia
What paraneoplastic symptoms does advanced lung cancer have?
Hyponatraemia (decreased serum sodium concentration)
Anaemia
Hypercalcaemia (increase in serum calcium levels)
What is hyponatraemia?
Decrease in serum sodium levels
What is a decrease in serum sodium levels called?
Hyponatraemia
What is hypercalcaemia?
Increase in serum calcium levels
What is an increase in serum calcium levels called?
Hypercalcaemia
What are some clinical signs of cancer?
Chest signs
Clubbing
Lymphadenopathy (abnormal size or number of lymph nodes)
Horner’s syndrome (damage to sympathetic nerves of the face)
Pancoast tumour (tumour of pulmonary apex)
Superior vena cava obstruction
Hepatomegaly (abnormal enlargement of the liver)
Skin nodules
What is lymphadenopathy?
Abnormal size or number of lymph nodes
What is abnormal size or number of lymph nodes called?
Lymphadenopathy
What is Horner’s syndrome?
Damage to sympathetic nerves of the face
What is a pancoast tumour?
Tumour of the pulmonary apex
What is hepatomegaly?
Abnormal enlargement of the liver
What is abnormal enlargement of the liver called?
Hepatomegaly
What are some initial investigations done for lung cancer?
Chest X-ray
Full blood count
Renal, liver function and calcium
Clotting screen
Spirometry
What is used to stage lung cancer?
CT of the thorax
What investigations of tissues are done for lung cancer?
Bronchoscopy
Endobronchial ultrasound
Image guided lung biopsy
Image guided liver biopsy
Fine needle aspiration of neck node or skin metastasis
Excision of cerebral metastasis
Mediastinoscopy
Surgical excision biopsy
What is the most common type of lung cancer by histology?
Adenocarcinoma
What percentage of lung cancer are adenocarcinoma?
40%
What percentage of lung cancers are squamous cell carcinoma?
30%
What percentage of lung cancers are large cell carcinoma?
10%
What percentage of lung cancers are small cell carcinoma?
15%
What are the 3 aspects of lung cancer staging?
Tumour staging (T)
Nodes staging (N)
Metastasis staging (M)
What does tumour staging range from?
T1 - T4
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What are the different categories withing T1?
T1a (<2cm)
T1b (2-3cm)
What does T1 mean?
<3cm
No invasion
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What does T2 mean?
3-7cm
What are the different categories within T2?
T2a (3-5cm)
T2b (5-7cm)
What does T3 mean?
>7cm
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During what tumour staging does invasion start?
T3
What invasion occurs during T3?
Chest wall
Diaphragm
Pleura
Pericardia
Mediastinal
What invasion occurs in T4?
Heart
Great valves
Trachea
Esophagus
Spine
What is the difference between the nodules of T3 and T4?
T3 nodules are in the same lobe
T4 nodules are in other ipsilateral lobes
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What does nodes staging range from?
N0 - N3
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What does N0 mean?
No regional nodes involvement
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What does N1 mean?
Involvement of ipsilateral hilar or ipsilateral peribronchial nodes
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What does N2 mean?
Involvement of ipsilateral mediastinal or subcarinal nodes
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What does N3 mean?
Involvement of contralateral mediastinal or hilar nodes OR ipsilateral or contralateral scalene or supraclavicular nodes
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What does metastasis staging range from?
M0 - M1
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What does M0 mean?
Distant metastasis absent
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What does M1 mean?
Distant metastasis present
What does overall lung tumour staging range from?
0 to IVb
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When does lung cancer become stage IV?
When any metastasis are present (M1)
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What sub groups of overall stage 1 lung cancer are there?
1A1
1A2
1A3
1B
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What subgroups of overall stage 2 lung cancer are there?
2A
2B
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When does lung cancer go from stage 1 to stage 2?
When T is 2b or greater
Or when N is 1 then T can be T1a-T2b
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What subgroups of overall stage 3 lung cancer are there?
3A
3B
3C
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When does lung cancer go from overall stage 2 to 3?
When is N is greater than 0
or T is 4
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When does overall lung staging go from 3 to 4?
When any metastasis are present (M1)
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What subgroups of overall stage 4 lung cancer are there?
4A
4B
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How does staging impact the prognosis?
Stage 1 80% survive 1 year
Stage 2 75% survive 1 year
Stage 3 50% survive 1 year
Stage 4 20% survive 1 year
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What is the treatment decision based on?
Performace status
Patient wishes
Histological type and stage
Multidisciplinary team
Aims of treatment (such as radical or palliative)
What does the performace status range from?
0 (fully active)
1 (symptoms but ambulatory)
2 (up and about, >50% unable to work)
3 (up and about, <50%, limited self-care)
4 (in bed or chair bound)
What are different categories of treatment options?
Surgery
Radiotherapy
Chemotherapy
Supportive care
What are examples of surgery associated with lung cancer?
Wedge resection
Lobectomy
Pneumonectomy
What are some purposes of radiotherapy?
Radical
Palliative
Stereotactic (assists surgery, can see probes)
How can chemotherapy be used?
Alone, combined with radiotherapy or adjuvant (after surgery)
What are some examples of target agents for chemotherapy?
Tyrosine kinase inhibitors
Monoclonal antibodies
What is used for small cell chemotherapy?
Cisplatin
Etoposide
What is used for adenocarcinoma chemotherapy?
Cisplatin
Pemetrexed
What is used for squamous cell chemotherapy?
Cisplatin
Gemcitabine
What is involved in palliative management?
Symptom control
Quality of life
Community support
Decisions and planning, resusication status, end of life care
Multidisciplinary team
What is used for symptoms control?
Chemotherapy
Radiotherapy
Opiates, biphosphonates, benzodiazepines
Treatment of hypercalcaemia, dehydration, hyponatraemia
Who is a very important member of the multidisciplinary team?
Lung cancer nurse