129 results
Paget's Disease of Bone

 • Characterized by an ↑ rate of bone turnover with both excessive
of Bone • Characterized ... by an ↑ rate of bone ... and formation of bone ... • Caused by ( ... #Bone #diagnosis
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Algorithm ALP ... stimulation (placenta/Bone ... - Highest • Bone ... Intestine - Other causes ... - Bone symptoms
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... /or Non-Active Bone ... • Unicameral Bone ... Constitutional Symptoms ... #Causes
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Algorithm True ... • Meniere's Disease ... Media • Temporal Bone ... #Algorithm #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Algorithm Elevated ... Granulomatous Disease ... Miscellaneous - Bone ... #Algorithm #causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Generally affects long bones ... BrighamChiefs #Bone ... #differential #diagnosis
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... liver or kidney disease ... pathophysiology #signs #symptoms ... #diagnosis
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... Algorithm Tumours ... - See Bone Lesions ... • Bone Marrow ... #Causes
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
synthesized in: liver, bone ... Most cases diagnosed ... • softening of bones ... of feet, thigh bones ... : Inhibitor of bone
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... - Differential Diagnosis ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Causes #Oncology