96 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 ... Radiology #XRay #Diagnosis ... #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... frequency #radiology #msk ... #orthopedics #diagnosis
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
Symptoms of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
Heart failure • Bones ... Growth retardation, Bone ... pain • MSK: Proximal ... Phosphate #Symptoms #Signs ... #Diagnosis
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 ... BoneLesion #XRay #MSK ... #Algorithm #Orthopedics ... #Causes
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... Tumours #MSK #Differential ... #Orthopedics #Causes
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
excessive bone ... turnover -> Incr bone ... formation MSK ... PagetsDisease #pathophysiology ... #diagnosis #signs
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Bisphosphonate suppresses bone ... damage weakens the bone ... Femur #Fractures #msk ... #orthopedics #diagnosis ... #pathophysiology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Symptoms: Commonly no signs ... , Fragile bones/ ... easily/weakness, Bone ... Hyperparathyroidism #diagnosis ... Secondary #Tertiary #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... #signs #symptoms ... #msk #orthopedics ... #pathophysiology