15 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... injuries: Perilunate dislocation ... Carpal #Radiology #XRay ... #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
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
: Commonly no signs ... , Fragile bones/ ... /joint pain Psychiatric ... Hyperparathyroidism #diagnosis ... Secondary #Tertiary #pathophysiology
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 ... Elbow #Radiology #XRay ... #Diagnosis #Management
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