13.1 MSK Imaging Paeds Flashcards
1
Q
Salter Harris classification mnemonic? SALTR
A
S = slip A - above L -lower T = through R = rammed
2
Q
What is the order of ossification at the elbow mnemonic?
A
CRITOE
Capital Lum Radial head Internal epicondyle Troy Lear Olecranon External epicondyle 1,3,5,7,9,11
3
Q
What age do you get slipped capital femoral epiphysis?
A
Boys: 12-15
Girls: before menarche
4
Q
what age do you get plastic bowing?
A
age 2-5
exactly longitudinal force
5
Q
high specificity #s for child abuse?
A
classic metaphyseal lesions ribs scapular sternal spinous process
6
Q
low specificity #s for child abuse
A
clavicle
long bone
linear skull
7
Q
when looking at bones for ?tumour, whats an important ddx?
A
Osteomyelitis/infection
8
Q
malignant aggressive lesions?
A
Osteosarcoma
Ewing’s sarcoma (codman’s triangle sign with tumour blasting through periosteum)
9
Q
which bones for ewing?
A
every bone, everywhere 70% long bone 25% plat 6%ribs 5% vertebral
10
Q
common place for osteosarcoma?
A
distal femur
11
Q
what ages high risk for osteosarcoma?
A
2nd 3rd, and >6th decades
12
Q
don’t touch lesions?
A
-distal femoral cortical irregularity
