45 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 ... "pooping duck sign ... Carpal #Radiology #XRay
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... StressFractures #msk #orthopedics ... #pathophysiology ... #symptoms #signs
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... /or Non-Active Bone ... Constitutional Symptoms ... Tumor #BoneLesion #XRay ... Diagnosis #Algorithm #Orthopedics
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Pathogenesis of X-ray ... • Metastatic bone ... Signs/Symptoms: ... Radiology #Diagnosis #XRay
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
: Commonly no signs ... , Fragile bones/ ... easily/weakness, Bone ... pain Psychiatric Symptoms ... Secondary #Tertiary #pathophysiology
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... #Osteoporosis #pathophysiology ... #signs #symptoms
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... contact between bony ... Osteoarthritis #OA #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... onto lateral hip Signs ... msk #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
Trauma to the long bone ... Pathophysiology ... fat round the body ... Syndrome #Diagnosis #Signs ... #Symptoms