Radiology Flashcards Preview

USMLE Step 3 > Radiology > Flashcards

Flashcards in Radiology Deck (12):
1

when you see...

lytic bone lesions on x-ray films

think of...

- MM
- primary bone tumor
- metastasis (MC: lung, renal, thyroid, breast)

2

when you see...

blastic bone lesions on x-ray films

think of...

- metastasis (MC: breast, prostate, lymphoma)
- Paget's disease
- medulloblastoma in pediatrics

3

when you see...

large mediastinum

think of...

- aortic aneurysm
- lymphadenopathy

4

when you see...

lung infiltrated w/ an effusion

think of...

- Staphylococcus pneumoniae
- Streptococcus pneumoniae
- lung infarct
- TB

5

when you see...

SBO

think of...

- adhesions
- hernia
- intussusception in pediatrics
- gallstone ileus
- carcinoma

6

when you see...

large bowel obstruction

think of...

- carcinoma
- hernia
- diverticulitis
- intussusception (pediatrics)

7

when you see...

gas in biliary system

think of...

- gallstone ileus
- gas forming infection
- instrumentation

8

when you see...

small kidney(s)

think of...

- RAD
- chronic hydronephrosis
- chronic glomerulonephritis
- chronic pyelonephritis

9

when you see...

large kidney(s)

think of...

- acute pyelonephritis
- acute glomerulonephritis
- renal vein thrombosis
- carcinoma (U/L)
- Wilms' tumor (pediatrics)

10

when you see...

ring-enhancing lesion in brain

think of...

immunocompetent patients:

- metastatic tumors
- demyelinating disease
- pyogenic abscess

immunocompromised patients:

- toxoplasma encephalitis (T. gondii)
- primary CNS lymphoma (EBV)
- TB (in endemic areas)

11

when you see...

hemorrhage in basal ganglia, cerebellum, or pons

think of...

- hypertensive brain hemorrhage

12

when you see...

hemorrhage into the cerebral hemispheres

think of...

- arteriovenous malformation
- aneurysm
- trauma
- metastatic lesions
- other causes: vasculitis, cocaine, coagulation abnormalities