13 results
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... bone cyst • Osteoid ... blade of grass sign ... #Differential # ... Diagnosis #Radiology
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 ... #Bony #Differential
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Symptoms: Commonly no signs ... easily/weakness, Bone ... /joint pain Psychiatric ... Hyperparathyroidism #diagnosis ... Secondary #Tertiary #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... #Dislocation #Diagnosis ... #signs #symptoms ... #orthopedics #pathophysiology
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
to the scaphoid bone ... vessels that perfuse bone ... Hypoxic death of bone ... hypolucency "Crescent sign ... #diagnosis #signs
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... and subcondral bone ... Extra-articular signs ... #signs #symptoms ... #diagnosis
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
insertion into bone ... destructive) • X-ray ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
phosphorous in bones ... Subchondral sclerosis & cysts ... CPPD #Disease #Signs ... #Symptoms #Pathophysiology ... #Diagnosis
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... Collapse: • Pathophysiology ... → Syncope • Signs ... #diagnosis #causes
Facial Bone X-Ray Interpretation Checklist
1. Look for tripod fracture
 • Find the zygoma and fan out
Facial Bone X-Ray ... the zygomatic bone ... be a secondary sign ... 'black eyebrow sign ... #radiology #diagnosis