1218 results
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
carcinoma • Increased ... calcitonin • Increased ... carcinoma • Increased ... calcitonin • Increased ... #Differential #Endocrinology
Causes of hypophosphatemia - Differential Diagnosis
 • Increased losses: enhanced urinary phosphate excretion
 • Decreased input:
Diagnosis • Increased ... excretion • Decreased ... Differential #Diagnosis #endocrinology
Thyroid Disorders and Menstrual Cycle Function

Hypothyroidism
 • Polymenorrhea (increased menstrual bleeding) is more common
 • Oligomenorrhea
Polymenorrhea (increased ... Galactorrhea • Decreased ... Anovulation • Decreased ... Differential #Diagnosis #Endocrinology
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Diagnosis Algorithm Increased ... Non-Thyroid Illness Decreased ... #Hyperthyroid #Endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Hypercalcemia due to increased ... Hypercalcemia due to decreased ... Hypercalcemia due to increased ... calcium #high #endocrinology
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
) Generalized increased ... stimulation Focal increased ... hyperthyroidism #endocrinology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Adrenal Neoplasm • Increased ... Germ Cell Tumor Increased ... Hyperthyroidism Increased ... Viral Orchitis Increased ... Algorithm #causes #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypomagnesemia • Burns Increased ... Enteric Fistula Increased ... Thiazide Diuretics Decreased ... Chronic Alcoholism Decreased ... Diagnosis #Algorithm #endocrinology
Cushing Syndrome - Signs and Symptoms
Generalized: Weight gain, Slow healing of cuts, Increased risk of infections,
healing of cuts, Increased ... difficulties, Decreased ... pressure Bones: Increased ... Symptoms #diagnosis #endocrinology
Hirsutism - Differential Diagnosis Algorithm
RAPID ONSET
Medications
 • Steroids
 • Danazol
 • Progestin Containing Contraceptives
Increased Serum Testosterone
Contraceptives Increased ... Hypertrichosis Increased ... Diagnosis #Algorithm #endocrinology