43 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... carpal bone. ... common carpal bone ... #Triquetrum #Fracture ... Orthopedics #Sports #MSK
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
Stress Fracture: ... mechanical loading => Bone ... strain => Bone ... StressFractures #msk ... #orthopedics #pathophysiology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
in elderly Causes ... damage weakens the bone ... #msk #orthopedics ... #differential #causes ... #pathophysiology
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Fractures by Frequency ... Scaphoid - 50-80% • Triquetral ... #Fractures #wrist ... frequency #radiology #msk
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... tear a portion of bone ... • Non-union of fracture ... #msk #diagnosis ... #pathophysiology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Embolism (e.g. fractured ... long bone) • ... • Dislocated Bone ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Intra-Articular - Bone ... • Stress Fracture ... Ganglion Cyst - Bone ... Intraarticular #MSK ... #Orthopedics #Causes
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility Fractures ... Tumours - See Bone ... #Fragility #Fractures ... #Pathologic #MSK ... #Orthopedics #Causes
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... • recurrent fractures ... collection with EDTA Pathophysiology ... pain - Frequent fractures ... Phosphatase: • Other causes
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Abnormal Osteoclasts cause ... formation MSK ... -> Pathologic fractures ... causes middle ear ... PagetsDisease #pathophysiology