MSK Flashcards
Pencil in cup sign + sausage fingers
Psoriatic Appearance (with Dactylitis)
Wrist Drop
Radial Nerve Palsy
Dinner fork or Swan Neck wrist deformity
Displaced Colles fracture
Pain/Tenderness in Anatomical Snuffbox
Scaphoid Fracture - 4 views of X ray required (AP, Lateral, 2 Scaphoid Oblique)
Feels like walking on pebbles
Subluxation of metatarso-phalangeal joints
Most commonly in advanced RA of feet
Knee arthritis + Uveitis + Urethritis
Reactive Arthritis (Reiter’s Syndrome, Can’t Pee, Can’t See, Can’t bend Knee)
Foot Drop
Common Fibular Nerve Palsy
Sites prone to Avascular Necrosis post fracture
Proximal Scaphoid, Intracapsular Femur, Femoral Condyles, Humeral Head, Capitulum of Humerus, Proximal Talus
Sagging Rope Sign
Avascular Necrosis (most observable in Intracapsular Femoral Head)
-ve Birefringent (Yellow to Blue), needle shaped crystals
Gout (Monosodium Urate Monohydrate Crystals)
Envelope/Rhomboid shaped crystal, +ve birefringent
Pseudogout (Calcium Pyrophosphate Crystals)
Pain in internal rotation of leg + Extension of Knee at 90 degrees
Tear of Lateral Meniscus (Steinman’s +ve)
Pain in external rotation of leg + Extension of Knee at 90 degrees
Tear of Medial Meniscus (Steinman’s +ve)
Painful Arc sign (between 70-120 degrees abduction)
damaged supraspinous tendon, frozen shoulder or rotator cuff tendon impingement
Difficulty with external rotation of shoulder
Frozen shoulder (Adhesive capsulitis)
Dry eyes + dry mouth + dry skin + +ve Shirmer’s Test
Sjogren’s Syndrome
Syndrome with dry eyes + dry mouth + dry vagina + bronchitis (low/no mucous production) + parotid enlargement
Sicca Syndrome - used to describe a general symptom of dryness before Sjogren’s is confirmed
Locked Knee
bucket handle meniscal tear (Medial meniscus more common, knee locked when torn meniscus trapped in intercondylar notch
Bamboo Spine, sacroiliitis + anterior uveitis
Ankylodosing spondylitis
Onion peel sign
Ewing’s Sarcoma
Shortened leg + externally rotate
displaced fracture neck of femur
Shortened leg + internally rotate
dislocated neck of femur
Popcorn calcification on X Ray
Chondrosarcoma
Soap bubble appearance on X Ray
Giant Cell Tumour (Benign)
Scalp tenderness +/- headache + jaw claudication
Temporal Arteritis (Biopsy to determine)
Gower’s SIgn +ve
Duchanne’s Muscular Dystrophy
Swollen, Woody Calves
Duchanne’s Muscular Dystrophy
Sunray spiculation
Osteosarcoma
Rosary Bead Sign on X Ray
Polyarteritis Nodosa
Light bulb sign on X Ray
Posterior Dislocation of Shoulder (Anterior dislocation is more common cause than posterior dislocation overall, but light bulb sign is quite specific)
Shepherd’s Crook deformity (Of Femur)
Fibrous dysplasia (most common), Paget disease, Osteogenesis Imperfecta
