36 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
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
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
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... "pooping duck sign ... "pooping duck sign ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... posterior) and bone ... anterior sail sign ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
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 ... #Tumors #Diagnosis ... Radiology #XRay #msk
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... can't make A-OK sign ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Symptoms: Commonly no signs ... easily/weakness, Bone ... /joint pain Psychiatric ... Hyperparathyroidism #diagnosis ... Secondary #Tertiary #pathophysiology
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
Trauma to the long bone ... The diagnosis is ... stabilization of fractures ... Pathophysiology ... #Signs #Symptoms
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
blade of grass sign ... island • Stress fracture ... Chondrosarcoma • Stress fracture ... #Differential #Diagnosis ... Radiology #XRay #MSK