31 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
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... Erythematosus #SLE #MSK ... Musculoskeletal #Complications ... #pathophysiology ... #signs #symptoms
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive one-legged ... 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 ... /Symptoms/Complications ... FemoralHead #Fractures #msk ... #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 ... /joint pain Psychiatric ... Secondary #Tertiary #pathophysiology
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... blade of grass sign ... ) • Enostosis/bone ... docskalski #Knee #Bone ... #XRay #msk #lesions
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... contact between bony ... Osteoarthritis #OA #pathophysiology ... #diagnosis #signs ... #symptoms #complications
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 ... fracture • Complications ... "pooping duck sign
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... • Aneurysmal bone ... blade of grass sign ... Differential #Diagnosis #Radiology ... #XRay #MSK #pediatrics
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Sporadic mutation -> One ... gene mutated in one ... Inherited mutation -> One ... Retinoblastoma Signs ... ophthalmology #diagnosis #signs