Musculoskeletal Imaging Flashcards
Paget’s Disease
“Ivory in a Pageant wearing a Cotton Wool gown likes her Picture taken”
PAGET’s Disease:
- Ivory vertebra
- Cotton wool appearance
- Picture-frame vertebra
Sandwich vertebra
Osteopetrosis
Rugger jersey spine
HYPERPARATHYROIDISM
Pencil in a cup deformity
“PP”
Psoriatic arthritis
Bamboo-spine deformity
ANKYLOSING SPONDYLITIS
MC Salter-Harris Classification
I: S - lipped II: A - bove III: L - beLow IV: T - hrough V: R - uined
TYPE II
Multiple enchondromas
OLLIER’s disease
Multiple enchondromas + soft tissue hemangiomas
MAFUCCI SYNDROME
Association of RA + splenomegaly and leucopenia
FELTY SYNDROME
Jefferson’s fracture
- Ring fracture of C1
- Blow to vertex of head
Hangman’s fracture
- Bilateral pedicle or pars fractures of C2
- Hyperextension and traction injury
Burst (Compression) Fracture
“Burst Richard Jefferson with Ron Artest (jersey #37)”
Same mechanism as Jefferson’s fracture but involving C3-C7
Flexion teardrop
- Most severe Cervical spine injury
- Results from severe flexion force
Extension teardrop
- Avulsion fx of anteroinferior corner of axis
- Hyperextension
Clay-shoveler’s
Avulsion fx of spinous process (C6-C7)
Chance fracture
“CHANCE to win the ball game, give it to Lodi Lebron 23”
Lap(Lodi) seatbelt fx, usually at L2 or L3 (Lebron 23)
Anterior dislocation of shoulder
“AIM”
- MC type of shoulder dislocation (95%)
- Humeral head Inferior and Medial to glenoid (Anterior dislocation: InferoMedial)
Hill-Sachs Lesion
“george Hill Puro Sya Lose”
Postero-Superior and Lateral of humeral head
Bankart Lesion
“Bank shot! by Allen Iverson”
Antero-Inferior of glenoid
Posterior dislocation of shoulder
“Posterized dunk by Superman shaq!”
- Less common (5%)
- Humeral head lies Superior to glenoid
Trough Sign
Linear impaction fx of anterior humeral head
Reverse Bankart lesion
Fx of posterior glenoid rim