MSK Flashcards
Pencil-in-cup X-ray appearance, sausage fingers →
psoriatic arthritis
Wrist Drop →
Radial nerve palsy
“Dinner fork” or “Swan’s neck” deformity in wrist →
Displaced Colles fracture
Pain/tenderness in the anatomical snuffbox →
Scaphoid fracture
“Feels like walking on pebbles” →
advanced rheumatoid arthritis in the feet - subluxation of the metatarsophalangeal joints
Arthritis + Uveitis + Urethritis (can’t see, can’t pee, can’t bend the knee) →
Reiter’s Syndrome (Reactive Arthritis)
Foot drop →
common fibular nerve (peroneal nerve)
Fracture srosis →
Proximal scaphoid, Intracapsular femoral, femoral condyles, humeral head, capitellum and proximal talus
Hanging rope sign →
AVN
Negative birefringent, needle shaped urate crystals →
Gout
Envelope shaped/rhomboid, mildly positive birefringent Ca pyrophosphate crystals →
Pseudogout
Positive anterior drawer test (tibia can be pulled forward easily on the femur when knee flexed) →
ACL tear/rupture
Pain in internal rotation and extension of knee at 90 degree →
lateral meniscal tear
Painful arc (pain on abducting between about 70-120 degrees) →
damaged supraspinatus tendon, frozen shoulder
Dry eyes, mouth, skin, +ve Schirmer’s test →
Sjogren’s Synd. (with infiltration) (often with RA)
Dry eyes, mouth, vagina, bronchitis →
Sicca Synd. (no infiltration) (no signs of arthritis)
Locked knee →
bucket handle meniscal tear
Bamboo spine on X RAY, sacroiliitis and question mark posture →
Ank Spondylitis
Shortened leg and externally rotated →
displaced fracture neck of femur
Shortened leg and internally rotated →
Dislocated femoral head
“Onion-peel” sign →
Ewing’s sarcoma
“Sunray” spiculation →
Osteosarcoma
“Popcorn calcification” on X Ray →
Chondrosarcoma
“Soap bubble” appearance on X Ray –>
Giant cell tumour (benign)
scalp tenderness and jaw claudication →
temporal arteritis
Gower’s Sign Positive →
Duchenne MD
swollen, “woody” calves →
Duchenne or Becker MD
Hatchet-like” face →
Myotonic Dystrophy
wrist drop
radial nerve
