77 results
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Autosomal Dominant Calcium ... Other • Excess Calcium ... Immobilization • Adrenal ... Diagnosis #Algorithm #Endocrinology
Hypocalcemia - Workup Algorithm

Dr Nikhil Lohiya - NEPHKIDS 2020 @NEPHKIDS1

#Hypocalcemia #Workup #Algorithm #differential #diagnosis #endocrinology #causes
Workup #Algorithm #differential ... #diagnosis #endocrinology ... #causes #calcium
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... Hypoparathyroidism - Calcium-sensing ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Adrenal Insufficiency ... - Differential ... Algorithm Primary Adrenal ... Insufficiency #Differential ... Workup #Algorithm #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Tumors: Lung, SCC, renal ... Bony Mets - Calcium ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Pseudohyperparathyroidism, Renal ... histoplasmosis) • Milk (calcium ... Hypercalcemia #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup and Differential ... Hypercalcemia #Workup #Differential ... Diagnosis #algorithm #endocrinology ... #calcium
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Lithium use • Calcium-sensing ... breast, lung, renal ... , adrenal, prostate ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
) - Simplified Differential ... ACTH-independent: - Adrenal ... hyperplasia - Adrenal ... Cushings #syndrome #Differential ... Diagnosis #Algorithm #endocrinology
Indications for Parathyroidectomy in Primary Hyperparathyroidism
 • All patients with symptomatic PHPT
 • Serum calcium 1
PHPT • Serum calcium ... • Evidence of renal ... nephrocalcinosis, 24h urine calcium ... risk, impaired renal ... Indications #PHPT #endocrinology