| Acromegaly | Syndrome associated with excessive levels of growth hormone after puberty; symptoms include thickened skin, vocal hoarseness, joint pain, insulin resistance, hypertension, and cardiovascular disease. |
| Asthenia | Debility or weakness. |
| Carcinoid Syndrome | Symptoms associated with excessive levels of serotonin secreted by carcinoid tumors; symptoms include facial swelling, diarrhea, bronchial spasm, tachycardia, hypotension, and right-sided valvular disease. |
| Central Precocious Puberty | Early onset of puberty due to activation of the gonadotropins leading to maturation of the gonads; this early gonadal maturation leads to early secretion of sex hormones and, therefore, early onset of secondary sexual characteristics in adolescents. |
| Craniosynostosis | Premature closure of the cranial sutures. |
| Cushing's Disease | Disease associated with excessive glucocorticoid levels most commonly caused by an adrenal cortical adenoma; symptoms include fat redistribution with a characteristic buffalo hump, thin extremities, hypertension, hirsutism, infertility, and amenorrhea. |
| Diabetes Insipidis | Syndrome due to insufficient levels of ADH (central) or decreased renal response to ADH (peripheral); symptoms resemble the excessive thirst and urination associated with diabetes mellitus. |
| Endometriosis | Growth of cells of the uterine lining outside of the uterus; symptoms include pelvic pain and infertility. |
| Hyperprolactinemia | Syndrome associated with excessive levels of prolactin; symptoms include infertility, amenorrhea, galactorrhea, and mastodynia. |
| Hypogonadotropic Hypogonadism | Inadequate function of the gonads due to insufficient secretion of pituitary gonadotropins. |
| Kaposi's Sarcoma | Rare skin malignancy characterized by soft blue-black plaques and is typically seen in elderly and immunosuppressed patients; it is caused by human herpes virus 8. |
| Oligospermia | Low sperm count. |
| SIADH | Syndrome of inappropriate ADH; numerous causes include trauma, tumors, endocrine disorders, and drugs; excessive levels of ADH lead to hypernatremia. |
| Steatorrhea | Large amounts of fat in the feces. |
| Uterine Fibroids | Benign smooth muscle tumors; their growth is related to estrogen. |
| Virilization | Acquisition of adult male characteristics in women or prepubescent males. |