Lifestyle Of The Differential Famous

Question 1

Gallbladder malignancies

Answer 1

• Adenocarcinoma (90%)
• squamous cell ca (10%)
• melanoma metastases
• secondary invasion from adjacent hepatocellular carcinoma

Question 2

Causes for portal venous gas

Answer 2

• ischemic bowel
• necrotic/ulcerated colorectal ca
• IBD
• perforated peptic ulcer
• pancreatitis
• abdominal abscess
• diverticulitis
• trauma
• bowel obstruction

-iatrogenic (upper and lower endoscopies)

Question 3

Differentials for Cerebellopontine Angle mass

Answer 3

AMEN!

A

• acoustic neuroma (aka vestibular schwanomma)&raquo_space;MOST COMMON 80%
• aneurysm

M

• meningioma (10%)
• mets
• medulloblastoma

E- ependymoma

N- neuroepithelial cyst (arachnoid/epidermoid)

*others: lymphoma, brain stem glioma, chondrosarcoma

Question 4

Think of MISME lesions when…

Answer 4

Suspecting Neurofibromatosis 2
M-multiple
I- inherited
S-shwanomma 
M-meningioma
E-ependymoma.

Question 5

Syndromes associated with Rheumatoid Arthritis

Answer 5

• Felty Syndrome - RA with Splenomegaly and neutropenia

- Caplin Syndrome - RA with pneumoconiosis

Question 6

Differentials for Rheumatoid Arthritis

Answer 6

Seronegative arthritis:

• Reiters
• Psoriatic
• SLE
• erosive arthritis