43 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
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
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
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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Media • Temporal Bone ... Fracture Central ... neurologic symptoms/signs ... #Differential #Diagnosis
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
allele of RB1 tumor ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... ophthalmology #diagnosis ... #signs #symptoms
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
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