49 results
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... PTH: • Elevated Calcitriol ... Cholecalciferol - Excess ... #causes #endocrinology
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Ectopic thyroid hormone ... Graves' disease • Excess ... radionuclide #uptake #differential ... #diagnosis #hyperthyroidism ... #endocrinology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Diagnosis Algorithm ... Goiter - TSH/HCG Excess ... Exogenous/Ectopic Hormone ... #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Diagnosis Algorithm ... D Related • Excess ... Vitamin D/Calcitriol ... #Endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Diagnosis Algorithm ... ADRENAL EXCESS ... Tumor Low Serum Hormone ... #endocrinology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Growth Hormone Excess ... Pathogenesis and clinical ... GH excess prior ... Overproduction #diagnosis ... signs #symptoms #endocrinology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Hypercalcemia Parathyroid hormone–dependent ... - Parathyroid hormone–related ... humoral syndromes Excess ... Hypercalcemia #Causes #Differential ... #Diagnosis #Endocrinology
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Adrenal Mass - Differential ... Diagnosis Algorithm ... High Plasma E2 +Clinical ... #Diagnosis #Algorithm ... #Endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Diagnosis Framework ... Assess for other hormonal ... Assess for non-hormonal ... #Diagnosis #algorithm ... #endocrinology
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 ... - Parathyroid hormone ... Hyperparathyroidism #Diagnosis ... #Endocrinology ... #Differential