Histopath Flashcards
1
Q
Jones criteria for rheumatic fever
A
Major criteria (need 2) J - Joint involvement (polyarthritis) O - myocarditis N - nodules (subcut) E - erythema marginatum S - Sydenham's chorea Or 1 major and 2 minor (raised CRP, arthralgia, fever, raised ESR, prolonged PR interval, anamnesis of rheumatology, leukocytosis)
2
Q
Codman’s triangle
A
Osteosarcoma
3
Q
Sunburst appearance
A
Osteosarcoma
4
Q
Onion skinning of periosteum
A
Ewing’s sarcoma
5
Q
Sheets of small round cells
A
Ewing’s sarcoma
6
Q
CD99+ve, t(11;22)
A
Ewing’s sarcoma
7
Q
Osteoclast-type multinucleate giant cells on background of spindle/ovoid cells
A
Giant cell tumour
8
Q
Radiolucent nidus with sclerotic rim
A
Osteoid osteoma
9
Q
Night pain relieved by aspirin
A
Osteoid osteoma
10
Q
Gardner syndrome
A
GI polyps, multiple osteomas and epidermoid cysts
11
Q
Cotton wool calcification
A
Enchondroma
12
Q
Cartilage capped bony outgrowth
A
Osteochondroma
13
Q
Chinese letters
A
Fibrous dysplasia
14
Q
Soap bubble osteolysis
A
Fibrous dysplasia
15
Q
McCune-Albright Syndrome
A
Polyostotic fibrous dysplasia + cafe au lait spots + precocious puberty
