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
Inferior dislocation of shoulder
Luxatio erecta: humeral head below glenoid and humeral shaft is fixed in extreme abduction
Monteggia and Galleazzi fractures
“MUGR”
Monteggia —> Ulna (ulnar shaft fx and radial head dislocation)
Galeazzi —> Radius (distal radial shaft fx and distal radioulnar dislocation)
Essex-Lopresti
“puro Sex ang nasa Utak ng mga Radio boys”
Comminuted radial head fracture and distal radioulnar subluxation/dislocation.
Sex - Essex-Lopresti
Ulo ng mga Radio boys - Radial head
Colle’s fracture
Distal radius fx, dorsal angulation
Smith’s fracture
“Reverse Colle’s”
Distal radius fx, volar angulation
Barton’s fracture
Intraarticular distal radial fx/dislocation
Bennet’s fracture
Fracture-dislocation of base of first metacarpal
Rolando fracture
Comminuted Bennet’s fx
Boxer’s fracture
“Manny Champion Pacquiao retires at 45”
4th or 5th MCP shaft or neck fx
Gamekeeper’s Thumb (Skier’s)
Ulnar Collateral ligament injury of 1st MCP joint
Chauffer’s (Hutchinson’s)
“Chowtime! Radio style!”
Intraarticular fx of radial styloid
Duverney’s fracture of pelvis
“DWI”
Iliac wing
DWI: Duverney’s Wing of Iliac
Malgaigne’s fracture of pelvis
SI joint or Sacrum + both ipsilateral Pubic Rami
Bucket-handle fracture of pelvis
“Bakit?!?! Kontra ka???”
SI joint or Sacrum + both CONTRAlateral pubic rami
Straddle fracture of pelvis
Both Obturator rings (all four pubic rami)
Slipped Capital Femoral Epiphysis
Slippage observed most typically in overweight children
Segond fracture
“Second LT. general Conde for ACLs”
Avulsion fx of Lateral Tibial Condyle; associated with ACL injury
Bumper fracture
“Bump ko ang Titi Co sayo”
Intraarticular fx of Tibial Condyle
Pilon fracture
Intraarticular comminuted distal tibial fx
Tillaux
“TIIIaux” —> III
Salter-Harris III of lateral distal tibial (due to later epiphyseal fusion)
Triplane fracture
“Trips - 3, Lane - 4 letters”
Salter-Harris III/IV of distal tibia
Wagstaffe-Le Fort fracture
Avulsion of medial margin of distal fibula
Dupuytren’s fracture
Fracture of fibula above tibiofibular ligament
Maisonneuve’s fracture
Proximal fibular fracture and disrupted ankle mortise or medial malleolar fracture
Lover’s fracture
- Calcaneal fracture
- fall from height
Jones (Dancer’s) fracture
Fracture of proximal 5th MT shaft
Lisfranc’s fracture
- Tarso-metatarsal fracture-dislocation
- MC dislocation of the foot
March fracture
Stress fx of MT neck
Nursemaid’s or Pulled Elbow
Head of radius slips out of annular ligament
Toddler’s fracture
Spiral fx of tibia resulting from torque or twisting applied to lower leg
Fibular fractures
“Walang Dating at Minamaliit ang fibula” (hindi pansin ng orthosurg ang fibular bone)
Wagstaffe-Le Fort (medial margin distal fibula)
Dupuytren’s (fx of fibula above tibiofibular ligament)
Maisonneuve’s (proximal fibular fx and disrupted medial malleolar fx)
most common cause of human bite injury is a _______.
fist blow to the mouth that results in laceration of the dorsum of the metacarpophalangeal joint
Ankylosing Spondylitis
Allen Iverson
ANKYLOSING spondylitis : IBD