Radiology Flashcards Preview

USMLE Step 3 Master the board > Radiology > Flashcards

Flashcards in Radiology Deck (12)
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1
Q

when you see…

lytic bone lesions on x-ray films

think of…

A
  • MM
  • primary bone tumor
  • metastasis (MC: lung, renal, thyroid, breast)
2
Q

when you see…

blastic bone lesions on x-ray films

think of…

A
  • metastasis (MC: breast, prostate, lymphoma)
  • Paget’s disease
  • medulloblastoma in pediatrics
3
Q

when you see…

large mediastinum

think of…

A
  • aortic aneurysm

- lymphadenopathy

4
Q

when you see…

lung infiltrated w/ an effusion

think of…

A
  • Staphylococcus pneumoniae
  • Streptococcus pneumoniae
  • lung infarct
  • TB
5
Q

when you see…

SBO

think of…

A
  • adhesions
  • hernia
  • intussusception in pediatrics
  • gallstone ileus
  • carcinoma
6
Q

when you see…

large bowel obstruction

think of…

A
  • carcinoma
  • hernia
  • diverticulitis
  • intussusception (pediatrics)
7
Q

when you see…

gas in biliary system

think of…

A
  • gallstone ileus
  • gas forming infection
  • instrumentation
8
Q

when you see…

small kidney(s)

think of…

A
  • RAD
  • chronic hydronephrosis
  • chronic glomerulonephritis
  • chronic pyelonephritis
9
Q

when you see…

large kidney(s)

think of…

A
  • acute pyelonephritis
  • acute glomerulonephritis
  • renal vein thrombosis
  • carcinoma (U/L)
  • Wilms’ tumor (pediatrics)
10
Q

when you see…

ring-enhancing lesion in brain

think of…

A

immunocompetent patients:

  • metastatic tumors
  • demyelinating disease
  • pyogenic abscess

immunocompromised patients:

  • toxoplasma encephalitis (T. gondii)
  • primary CNS lymphoma (EBV)
  • TB (in endemic areas)
11
Q

when you see…

hemorrhage in basal ganglia, cerebellum, or pons

think of…

A
  • hypertensive brain hemorrhage
12
Q

when you see…

hemorrhage into the cerebral hemispheres

think of…

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