10 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... injuries: Perilunate dislocation ... #Diagnosis #Management
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
on axillary x-ray ... and underlying bone ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... "Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... Carpal #Radiology #XRay
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... Fractures #msk #diagnosis ... #pathophysiology ... #signs #symptoms ... #orthopedics
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... anterior sail sign ... injury, elbow dislocation ... #Diagnosis #Management ... #Orthopedics #MSK
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
insertion into bone ... destructive) • X-ray ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs ... #symptoms
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... Swelling notable on Xray ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
phosphorous in bones ... ultrasound and/or x-ray ... CPPD #Disease #Signs ... #Symptoms #Pathophysiology ... #Diagnosis
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
intermittent) - X-Ray ... hypolucency "Crescent sign ... AvascularNecrosis #pathophysiology ... #diagnosis #signs ... #symptoms
Charcot Joint - Neuropathic Arthropathy: Pathogenesis and Clinical findings
 • Impaired joint protection -> abnormal joint
periarticular bone ... cartilage -> On X-ray ... #Arthropathy #pathophysiology ... #diagnosis #signs ... #symptoms