2274 results
Basilar Skull Fracture
Fracture through petrous portion of temporal bone 
 - Periorbital ecchymosis 
 - Hemotympanum
portion of temporal bone ... ecchymosis (Battle's sign ... Fracture #Battles #Signs
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... • Metastatic bone ... metastasized to the bone ... • Metastatic bone ... Signs/Symptoms:
Symptoms of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
Heart failure • Bones ... Growth retardation, Bone ... Phosphate #Symptoms #Signs
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 ... Diagnosis - Clonal bone
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... architecture -> Palpable bony ... contact between bony ... pathophysiology #diagnosis #signs
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 ... Tumors #Diagnosis #Bony
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... Simple/unicameral bone ... • Aneurysmal bone ... blade of grass sign ... ) • Enostosis/bone
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... pathophysiology #symptoms #signs
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Symptoms: Commonly no signs ... , Fragile bones/ ... easily/weakness, Bone
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... pathophysiology #signs