2.4 Bone Flashcards
1
Q
MC tumor of bone (excluding metastatic)
A
MM
2
Q
MM may arise from ___ (___)
A
plasmocytoma (unifocal)
3
Q
MM age range
A
60+
4
Q
punched out radiolucency DDx (2)
A
MM
langerhans cell histiocytosis
5
Q
MM 5 year prognosis
A
50-70%
6
Q
long bone OS age range
A
20-30
7
Q
gnathic OS age range
A
30-50
8
Q
OS predilection
A
males
9
Q
OS 5 year prognosis
A
60-70%
10
Q
CS from ___ mutations
A
IDH
11
Q
CS MC located in the ___ ___
A
anterior Mx
12
Q
sunburst pattern
root resorption
symmetrical widening of PDL
DDx (2)
A
OS (1)
CS (2)
13
Q
undifferentiated round cells
A
ES
14
Q
ES involves ___ gene
A
fusion
15
Q
CS age range
A
50
