47 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
S1 => Weakened stability ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
strain => Bone ... micro-damage exceeds ability ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Diagram of different types of bone tumors that can occur around the knee on XRay -
phase • Paget disease ... blade of grass sign ... #Tumors #Diagnosis ... #Radiology #XRay ... #msk #lesions #
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 ... #diagnosis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... onto lateral hip Signs ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
phase • Paget disease ... blade of grass sign ... #Differential #Diagnosis ... #Radiology #XRay ... #MSK #pediatrics
Gaucher Disease 

Pathophsiology
 • Lysosomal storage disorder
 • Deficiency of ß-glucocerebrosidase
• Accumulation of glucosylceramide in macrophages
Diagnosis
Gaucher Disease ... Pathophsiology ... in macrophages Diagnosis ... Osteonecrosis, bone ... #Diagnosis #Signs
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms ... #diagnosis
Risk Factors and Signs of Copper Deficiency
Risk Factors:
 • Gastrointestinal: Previous upper bowel resection/bariatric surgery, Inflammatory
Risk Factors and Signs ... dental fixatives, Treatment ... , Malnutrition Signs ... Musculoskeletal: Low bone ... #signs #riskfactors
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
pre-determined etiology Signs ... TendonRupture #diagnosis ... #signs #symptoms ... #pathophysiology ... #msk #orthopedics