15 - Musculoskeletal Imaging Flashcards
1
Q
3 kinds of incomplete fractures
A
bowing, torus (buckling), greenstick
2
Q
comminuted fracture
A
multiple fracture lines / fragments
3
Q
difference btwn fatigue vs insufficiency fractures
A
fatigue - nl bone, abnl stress
insufficiency - abnl bone, nl stress
4
Q
Salter Harris classifications for fractures
A
1 - slip at physis 2 - metaphysis 3 - epiphysis 4 - both metaphysis and epiphysis 5 - crush
5
Q
INDIRECT RADIOGRAPHIC SIGNS OF TRAUMA
A
SOFT TISSUE SWELLING OBLITERATION OR DISPLACEMENT OF FAT STRIPES PERIOSTEAL/ENDOSTEAL REACTION JOINT EFFUSION INTRACAPSULAR FAT-FLUID LEVEL DOUBLE CORTICAL LINE BUCKLING OF THE CORTEX IRREGULAR METAPHYSEAL CORNER
6
Q
fat pads on elbow joint
A
anterior - nl
posterior - always pathological
7
Q
irregular metaphyseal corners usually assoc w/
A
child abuse
8
Q
arthritis/degenerative joint disease triad
A
sclerosis of end of bone
joint space narrowing
osteophyte formation