11 results
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... High or Normal PTH ... Hypercalcemia Low PTH ... diseases, Idiopathic calcitriol ... Hypercalcemia #Differential
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Calcium #Regulation #Parathyroid ... #Calcitonin #Calcitriol ... #PTH #Endocrinology
Hypocalcemia Evaluation Algorithm 

(PTH = parathyroid hormone.)

#Hypocalcemia #Evaluation #Algorithm #Diagnosis #Differential
Algorithm (PTH ... = parathyroid hormone ... Algorithm #Diagnosis #Differential
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
non-Hodgkin lymphoma; PTH ... , parathyroid hormone ... ; PTHrP, PTH-related ... Mechanism #Frequency #Differential
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Hypercalcemia Parathyroid ... adenoma • Parathyroid ... hyperplasia • Parathyroid ... prostate (release of calcitriol ... endocrinology #diagnosis #differential
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Serum levels of PTH ... dihydroxyvitamin D can help differentiate ... activating mutation - Parathyroid ... Endocrinology #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Algorithm Elevated PTH ... Hypercalcemia Low PTH ... : • Elevated Calcitriol ... Hypercalcemia #Differential
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
measurement of parathyroid ... hormone (PTH) to ... , intact PTH; PTHrP ... , PTH-related peptide ... Hypercalcemia #Workup #Differential
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Drug-Induced • Intact PTH ... resistance) • Intact PTH ... Destruction of parathyroid ... #Hypocalcemia #Differential
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Pathophysiology PTH-mediated ... • Parathyroid ... Pathophysiology #Differential