67 results
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
Causes of Common Accidental and Non-Accidental Pediatric Fractures - Differential Diagnosis Algorithm
Accidental Trauma
 - Distal Radius
Non-Accidental Pediatric ... Fractures - Differential ... • Green stick (bone ... • Green stick (bone ... #Locations #Differential
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
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Bisphosphonate suppresses bone ... damage weakens the bone ... #msk #orthopedics ... #diagnosis #differential ... #causes #pathophysiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... Orthopedics #Sports #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
blade of grass sign ... island • Stress fracture ... #Differential # ... Radiology #XRay #MSK ... #pediatrics
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... • Aneurysmal bone ... #Differential # ... Radiology #XRay #peds #pediatrics ... #msk #lesions #
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... island • Stress fracture ... Chondrosarcoma • Stress fracture ... #Differential # ... Radiology #XRay #msk
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
interarticularis stress fracture ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
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 #endocrinology ... Secondary #Tertiary #pathophysiology