94 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
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever ... Sign) for ACL Injury ... #Lellis #Test #Lever ... #Sign #ACL #Injury ... #sports #msk #orthopedics
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive one-legged ... XR — scotty dog sign ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... aka. cancerous cells ... - these cancer cells ... - these cancer cells ... 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 ... #orthopedics
Multiple Myeloma Diagnosis and Management Summary
Clinical Signs:
 • hyperCalcemia 28% (bone demineralization)
 • Renal disease 48%
Summary Clinical Signs ... hyperCalcemia 28% (bone ... • Anemia 78% (bone ... macrocytic • Bone ... marrow plasma cells
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 ... "pooping duck sign ... Discharge with orthopedic
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
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
gene mutated in one ... mutated in all cells ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... ophthalmology #diagnosis #signs
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
3: Necrosis of bone ... destroying thin bony ... inner cortical bone ... #Mastoiditis #pathophysiology ... #signs #symptoms