Final Exam Flashcards
What is a solitary mass in the lung periphery or fissure?
pleural fibroma
Malignant Pleural Mesothelioma is related to what exposure?
asbestos
A Malignant Pleural Mesothelioma will shift the mediastinum in which direction?
toward the involved side
What is the sign associated with an Malignant Pleural Mesothelioma; described as a body wall lesion?
“Extrapleural sign”
What is the most common primary tumor of the pleura?
Pleural Mesothelioma
What is the 3rd MC site of a teratoma?
Thorax
– (following gonadal and sacrococcygeal location)
Intrathoracic teratomas are usually found where in the thorax?
anterior mediastinum
What are the 3 T’s + H for Anterior Mediastinal Masses?
- Hodgkins lymphoma
- Thymoma
- Teratoma
- Substernal Thyroid
Adult Respiratory Distress Syndrome (ARDS) isa result of what?
systemic capillary damage
What radiographic sign indicates ARDS
Silhouette sign bilaterally
Extrinsic Allergic Alveolitis (EAA) is an allergic lung disease d/t _____ inhalation of ____.
occupational inhalation of organic agents
Farmer’s lung is associated with what organic agent?
moldy hay
Bird fancier’s disease is associated with what organic agent?
bird droppings
Pneumoconiosis is a pulmonary disease caused by inhalation of ____ and its accumulation in the lung.
inorganic dust
Siderosis is associated with what profession?
iron = welders
Silicosis is associated what profession?
silicon = coal miners
Reticulonodular; “eggshell” calcifications of lymph nodes is associated with what patholody?
silicosis
What is a collection of air in pleural space?
pneumothorax
What is the MCC of Pneumothorax?
Traumatic
Which type of spontaneous pneumothorax is a “bleb” rupture?
primary
Which type of spontaneous pneumothorax is a result of a chest disease that produces cavities?
secondary
What is a collection of air cysts in the lung?
bullae
What is a small bulla on edge of lung?
Bleb
What Dx is associated with an image finding of a “flap defect”?
tension penumothorax
What Dx is associated with an image finding of a “check valve”?
passive atelectasis
What Dx is associated with an image finding of a “crescent-shaped radiolucent shadow” bordered medially by a thin radiodense line representing the visceral pleura?
penumothorax
Multisystem aggregation of NONcaseating epithelial granulomas?
Sarcoidosis
Sarcoidosis is MC in what population
black females
What lab test confirms Dx of Sarcoidosis?
Kviem lab test
What finding indicates stage 1 of Sarcoidosis?
bilateral hilar lymphadenopathy
What finding indicates stage 2 of Sarcoidosis?
hilar and parenchymal nodules
What finding indicates stage 3 of Sarcoidosis?
parenchymal nodules
What finding indicates stage 4 of Sarcoidosis?
parenchymal fibrosis (interstitial)
What are 3 anatomical areas that CT would be better than MRI and why?
abdominal, pelvic, thoracic caviteis
– Motion is not an issue
Where is pain referred for the Aorta?
lumbar spine
Where is pain referred for the Colon?
Midlumbar spine
Where is pain referred for the Gallbladder?
Inferior border of right scapula
Where is pain referred for Gynecological disorders?
L4-pelvis
Where is pain referred for the Kidneys?
groin, flank
Where is pain referred for the Pancreas?
lower thoracic spine
Where is pain referred for peptic ulcers?
midthoracic spine, heart area
Where is pain referred for the rectum?
left lumbar paraspinal region
Where is pain referred for the sigmoid colon?
sacral region
What modality best visualizes the stomach?
plain film
What modality best visualizes the small bowel?
plain film w/ barium contrast
What modality best visualizes the large bowel?
contrast + plain film
What modality best visualizes the appendix?
ultrasound or CT
What modality best visualizes the liver/gallbladder?
ultrasound
What modality best visualizes the pancreas?
CT + contrast/ERCP
What modality best visualizes the spleen?
ultrasound or CT
What modality best visualizes the kidneys?
plain film
What modality best visualizes the adrenals?
CT or MRI
What modality best visualizes the ureter?
IV contrast
What modality best visualizes the bladder?
plain film
What modality best visualizes the blood vessels?
ultrasound
Bladder calculi is formed from what?
urinary stasis
What population is at risk for Bladder calculi?
elderly males
What radiograph finding is associated with bladder calculi?
oval radiodense shadows in bladder
How do you DDx kidney stones from gallstones on lateral films?
– Kidney stones = At or Behind spine
– Gallstones = anterior to spine
Plain films demonstrate “popcorn”, “mulberry bush” or “cauliflower” calcification. What is the Dx?
Uterine Fibroma
Gallstones form from an imbalance in the chemical composition of ___, where solid cholesterol fragments are formed leading to stones.
bile
What population is at risk for gallstones?
“SOAP”
- sickle-cell anemia
- obesity
- age (elderly)
- pregnancy
What is the pain referral pattern for gallstones?
inferior border of right shoulder (pain)
If you suspect gallstones, where should you look on a plain film?
RUQ for radiodense shadows
What is the best Dx for gallstones?
Ultrasound
–(whearas kidney stones best identified by plain film)
Arise from malignant transformation of polyps.
Colorectal Carcinoma
What are 2 radiographic signs that indicate Colorectal Carcinoma?
napkin ring or apple core deformity
Is a tumor inside ore outside the lumen easier to find and why?
inside lumen = easier to find and take care of
What S/S should would suggest colorectal carcinoma?
rectal bleeding or hemoccult-positive stool
What is the #1 site of cancer in women?
breast
What is the #1 site of cancer in men?
prostate
What is #2 site of cancer in men and women?
lung
What is #3 site of cancer in men and women?
colon/rectum
What is #5 site of cancer in men and women?
hodgkins
What is the MC type of hiatal hernia?
sliding hernias
What is the best type of imaging for hiatal hernia?
plain film; barium swallow
– look for gastric air bubble
Pancreatic lithiasis is related to __ in 90% of cases.
alcohol
Small irregular scattered densities at the L1-L2, sometimes L3 level “crossing” the spine. Dx?
pancreatic lithiasis
A “stippled” density that crosses spine indicates what?
pancreatic lithiasis
What is the best source of imaging for AAA’s?
Ultrasound > CT > MRI
How big does a AAA need to be for surgery?
> 5-6 cm
Hydatid disease is an infestation of what parasite?
Echinoccoccus granulosus
Hydatid cysts are slow growing and may affect what organ?
liver
Hydatid cysts are best seen with what imaging?
CT
Do you adjust someone with a Hydatid disease?
no
What accounts for ~1/2 of traumatic brain injuries?
MVA’s
What is the the gold standard for intracranial injuries?
CT
What is the gold standard for cervical spine fractures?
CT
What is the gold standard to define cervical spine soft tissue findings?
MRI
Subdural hematomas are due to injury of what structues?
dural venous sinus
Subarachnoid bleeds are due to injury of what structure?
circle of willis
Epidural bleeds are due to injury of what structure?
middle meningeal artery
Chronic, progressive (autoimmune) demyelinating disorder that affects nerves of brain, spinal cord and other parts of CNS?
MS
What imaging source is best at diagnosing MS?
T2 weighted MRI
What is the MC primary tumor?
astrocytoma
What is an aka for neurofibromas?
dumbbell tumors
Herniation of cerebellar tonsils into cervical spinal?
arnold-chiari malformation
What source of imaging is needed for complete evaluation?
MRI
Which is a dilation of cord - next to central canal
– Syringomyelia or Hydromyelia???
syringomyelia
Which is a dilation of cord due to fluid in central canal
– Syringomyelia or Hydromyelia???
Hydromyelia
Dilations of the subarachnoid space surrounding a spinal nerve root?
Tarlov or arachnoid cyst