URMC / Encyclopedia / Collection Endocrinology The Parathyroid Glands Acromegaly Adrenal Insufficiency (Addison Disease) Disorders of the Adrenal Glands Pheochromocytoma: An Adrenal Gland Tumor Hashimoto Thyroiditis Hyperparathyroidism Hyperthyroidism Hypoparathyroidism Hypopituitarism