55 results
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 ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
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
Diagram of different types of bone tumors that can occur around the knee on XRay -
involucrum • Paget disease ... phase • Paget disease ... blade of grass sign ... #Tumors #Diagnosis ... Radiology #XRay #msk
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
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
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
involucrum • Paget disease ... phase • Paget disease ... blade of grass sign ... #Differential #Diagnosis ... Radiology #XRay #MSK
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms ... #diagnosis
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
gene mutated in one ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... • Meniere's Disease ... Media • Temporal Bone ... symptoms/signs, ... #Differential #Diagnosis