44 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
signs, Fragile bones ... easily/weakness, Bone ... pain Psychiatric Symptoms ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
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 ... #Osteoporosis #pathophysiology ... #signs #symptoms
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
ALP) Elevation - Differential ... - Highest • Bone ... Most common symptoms ... - Bone symptoms ... ALP #Elevation #Differential
Paget’s Disease: Pathogenesis and Clinical Findings

 • Incr serum CTx - marker of bone resorption
 •
Paget’s Disease: ... CTx - marker of bone ... formation #PagetsDisease ... #pathophysiology ... diagnosis #signs #symptoms
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
due to increased bone ... failure, Addison's disease ... Granulomatous diseases ... Hypercalcemia #Causes #differential ... calcium #high #endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
, Kidney Disease ... - Accelerated Bone ... Formation: Hungy Bone ... Diagnosis #Management #endocrinology ... #differential #
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
Graves’ Disease: ... etiology Signs/Symptoms ... GravesDisease #pathophysiology ... #endocin #endocrinology ... #symptoms #signs
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Granulomatous Disease ... Miscellaneous - Bone ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Gaucher Disease 

Pathophsiology
 • Lysosomal storage disorder
 • Deficiency of ß-glucocerebrosidase
• Accumulation of glucosylceramide in macrophages
Diagnosis
Gaucher Disease ... Pathophsiology ... Osteonecrosis, bone ... #Gauchers #Disease ... Diagnosis #Signs #Symptoms
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: ... cause excessive bone ... hearing loss #PagetsDisease ... #pathophysiology ... diagnosis #signs #symptoms