hallmark characteristic

Question 1

PSaMMoma bodies

Answer 1

papillary adenocarcinoma of thyroid
serous papillary cystadenocarcinoma of ovary
meningioma
malignant mesothelioma

Question 2

histologic hallmark of Crohn’s

Answer 2

noncaseating granulomas

Question 3

histologic hallmark of Ulcerative Colitis

Answer 3

crypt abscesses

Question 4

histologic hallmark of sarcoidosis and beryllium exposure

Answer 4

noncaseating granulomas in lung

Question 5

histologic hallmark of cat scratch disease

Answer 5

stellate-shaped noncaseating granulomas usually in the neck

Question 6

histologic hallmark of TB

Answer 6

caseating granulomas

Question 7

histologic hallmark of fungal infections

Answer 7

caseating granulomas

Question 8

sunburst, codman’s triangle, onion-skinning???

Answer 8

osteosarcoma, ewing sarcoma

Question 9

Crohn’s (3 gross, 3 histological, 1 imaging)

Answer 9

cobblestone mucosa
creeping fat
skip lesions

lymphoid aggregates with granulomas
knife-like fissures
full thickness inflammation

string sign (due to strictures)