Treat hyperthyroidism during pregnancy. Diagnose the multiple endocrine neoplasia type 2 (MEN2) syndrome. Treat prolactinoma during pregnancy. Manage overnight hypoglycemia. Evaluate the cause of Cushing syndrome. Manage ketosis-prone type 2 diabetes mellitus. Treat pituitary apoplexy. Manage a solitary thyroid nodule. Manage primary amenorrhea. Treat subacute thyroiditis. Diagnose hyperprolactinemia caused by an antipsychotic agent. Manage low bone mass. Diagnose euthyroid sick syndrome. Liberalize glycemic targets in a patient with multiple diabetic complications and advanced microvascular disease. Determine causes of vitamin D deficiency. Treat subclinical hypothyroidism. Define surgical indications for primary hyperparathyroidism. Evaluate a toxic thyroid nodule. Treat a macroprolactinoma. Diagnose hypoglycemia in a patient with diabetes mellitus taking a sulfonylurea. Evaluate triiodothyronine (T₃) hyperthyroidism. Diagnose hypercalcemia in a patient with sarcoidosis. Diagnose Cushing syndrome from exogenous glucocorticoids. Treat a patient with diabetic ketoacidosis. Identify secondary causes of bone loss prior to initiating bisphosphonate therapy. Manage heavy menstrual bleeding caused by polycystic ovary syndrome. Treat adrenocortical carcinoma. Diagnose hypomagnesemia as a cause of hypocalcemia. Manage early type 2 diabetes mellitus. Identify hemochromatosis as a cause of hypogonadotropic hypogonadism. Diagnose pseudohypercalcemia. Manage androgen therapy in the setting of hypogonadism. Diagnose thyroid storm. Manage postsurgical hypoparathyroidism. Diagnose central hypothyroidism. Diagnose familial hypocalciuric hypercalcemia. Evaluate timing of prandial insulin in a patient with diabetes mellitus. Manage a patient with Cushing syndrome following adrenalectomy. Manage Paget disease of bone. Treat hypothyroidism in pregnancy. Diagnose the cause of adrenal failure. Evaluate a patient with a new diagnosis of hypercortisolism for osteoporosis. Manage primary adrenal failure. Diagnose primary thyroid lymphoma. Treat primary hyperparathyroidism and concomitant vitamin D deficiency. Manage diabetes mellitus in a hospitalized patient. Diagnose Cushing syndrome. Treat an obese patient with type 2 diabetes mellitus with bariatric surgery. Diagnose an incidentally noted adrenal mass. Manage the limitations of hemoglobin A_1c measurements in a patient with diabetes mellitus and chronic kidney disease. Diagnose an androgen-producing adrenal tumor. Manage diabetes mellitus with continuous glucose monitoring. Treat irregular menses and hirsutism in a patient with polycystic ovary syndrome. Manage a patient with pheochromocytoma. Manage hormone replacement therapy in a patient with panhypopituitarism. Diagnose type 2 diabetes mellitus. Diagnose Klinefelter syndrome. Interpret thyroid function test results in an elderly patient. Evaluate an incidentally noted adrenal mass. Treat acromegaly with transsphenoidal pituitary surgery. Treat high-risk thyroid cancer postoperatively. Manage acquired type 1 diabetes mellitus. Treat infertility related to polycystic ovary syndrome. Treat a microprolactinoma in a postmenopausal woman. Manage diabetic neuropathy. Evaluate hypoglycemia in a patient without diabetes mellitus. Diagnose Asherman syndrome with transvaginal ultrasound. Identify postprandial hyperglycemia as a cause of elevated hemoglobin A_1c levels. Treat Graves ophthalmopathy. Diagnose primary hyperaldosteronism as a cause of secondary hypertension. Treat substernal goiter with compressive symptoms. Evaluate primary infertility with a hysterosalpingogram. Evaluate newly diagnosed medullary thyroid cancer. Treat severe hypercalcemia. Treat hypoglycemic unawareness. Diagnose elevation of luteinizing hormone related to polycystic ovary syndrome. Treat a high-risk patient with osteoporosis. Manage primary hyperaldosteronism. Manage hyperprolactinemia caused by hypothyroidism. Diagnose cystic fibrosis as a cause of congenital bilateral absence of the vas deferens and azoospermia. Manage primary adrenal failure. Manage the “honeymoon” phase of type 1 diabetes mellitus. Treat hypogonadism secondary to hyperprolactinemia in a male patient. Manage exercise-induced hypoglycemia.