MSK Flashcards
Pencil in cup x-ray appearance and 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
Foot drop
Common fibular nerve
Fracture avascular necrosis
Proximal scaphoid, intracapsular femoral, femoral condyles, humeral head, capitellum and proximal talus
Hanging rope sign
AVN
Negative birefringent, needle shaped urate crystals (yellow to blue)
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 rupture/tear
Pain in internal rotation and extension of knee at 90º
Lateral meniscal tear
Painful arc (pain on abducting between about 70-120º)
Supraspinatous tendon damage, rotator cuff tendon impingement
Difficulty with external shoulder rotation
Frozen shoulder
Dry eyes, mouth, skin, +ve Schirmer’s test
Sjogren’s syndrome (with infiltration)
What is sjorgren’s syndrome associated with?
Rheumatoid arthritis
Dry eyes, mouth, vagina and bronchitis
Sicca syndrome (no infiltration and no signs of arthritis)
Locked knee
Bucket handle meniscal tear
Bamboo spine on X-ray, sacroiliitis and question mark posture
Ankylosing spondylitis
Shortened leg and externally rotated
Displaced fracture neck of femur
Shortened leg and internally rotated
Disclosed femoral head
Onion peel sign
Ewing’s sarcoma
“Sunray” spiculation
Osteosarcoma
