2083 results
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... • Metastatic bone ... common than primary bone ... • Metastatic bone ... whiter than normal bone
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
Narrowing • Bony ... the articular bone ... Peri-articular osteopenia (bones ... Radiology #Clinical #Pathophysiology
Skull Bone Anatomy - Facial Bones

By @rev.med

#Skull #Bones #Anatomy #Facial
Skull Bone Anatomy ... - Facial Bones ... rev.med #Skull #Bones
Humerus Bony Anatomy - Anterior and Posterior Views

By @rev.med

#Humerus #Bony #Anatomy #MSK #Bone
Humerus Bony Anatomy ... rev.med #Humerus #Bony ... #Anatomy #MSK #Bone
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... cauliflower • Enostosis/bone ... Simple/unicameral bone ... • Aneurysmal bone ... docskalski #Knee #Bone
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
absorption ↑ bone ... Hypophosphatemia: ↑ bone ... Calcium #Phosphorus #pathophysiology
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... #orthopedics #pathophysiology
Representative X-ray appearance of a primary malignant bone tumor - Ewings Sarcoma
 • "Interrupted periosteal reaction
primary malignant bone ... Moth-eaten", permeative bone ... destruction • Wide zone ... transition between bone ... accumulation around the bone
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... #Osteoporosis #pathophysiology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... resorption in the bone ... resorption in the bone ... Hypercalcemia #Malignancy #Pathophysiology