Radiology Flashcards
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
