13 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... ulna, pain with wrist ... Triquetrum #Fracture #Wrist ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture, median nerve ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... box, pain with wrist ... #Radiology #XRay ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... on axillary x-ray ... Structural damage to nerves ... Dislocation #Diagnosis #signs ... #symptoms #msk
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
clinical findings • Anterior ... with possible symptoms ... of flexion • Xray ... pathophysiology #diagnosis #signs ... #symptoms #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... ligament (near anterior ... MeralgiaParesthetica #MSK ... differential #diagnosis #signs
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... #symptoms #diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... interosseous nerve ... can't make A-OK sign ... Humerus #Radiology #XRay ... #Orthopedics #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... Distal #Radiology #XRay ... #Orthopedics #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
in the Spinal canal ... Superior gluteal nerve ... pathophysiology #causes #symptoms ... #signs #diagnosis ... #msk