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Pituitary adenomas are tumors that occur in the pituitary gland. Most pituitary tumors are benign, approximately 35% are invasive and just 0.1% to 0.2% are carcinomas. Pituitary adenomas represent from 10% to 25% of all intracranial neoplasms and the estimated prevalence rate in the general population is approximately 17%.
Sheehan's syndrome, also known as postpartum pituitary gland necrosis, occurs when the pituitary gland is damaged due to significant blood loss and hypovolemic shock (ischemic necrosis) usually during or after childbirth leading to decreased functioning of the pituitary gland (hypopituitarism).
Zollinger–Ellison syndrome (Z-E syndrome) is rare disease in which tumors cause the stomach to produce too much acid, resulting in peptic ulcers. Symptoms include abdominal pain and diarrhea. The syndrome is caused by a gastrinoma, a neuroendocrine tumor that secretes a hormone called gastrin.
Although uncommon, some patients with Cushing's disease have large pituitary tumors (macroadenomas). In addition to the severe hormonal effects related to increased blood cortisol levels, the large tumor can compress adjacent structures.
Pediatric urology is a surgical subspecialty of medicine dealing with the disorders of children's genitourinary systems. Pediatric urologists provide care for both boys and girls ranging from birth to early adult age.
The Mayo Clinic Hospital – Rochester is a 2,059-bed teaching hospital located in Rochester, Minnesota. It comprises the Saint Marys Campus with its Mayo Eugenio Litta Children's Hospital, as well as its Methodist Campus, forming an integral part of the Mayo Clinic academic medical center.
Surgical removal of the tumor is the most important and advised option for treating macroorchidism caused by non-functioning pituitary macroadenoma. A non-functioning pituitary adenoma is a kind of benign tumor that does not secrete active hormones, and is from the pituitary gland.
Pheochromocytoma is a rare tumor of the adrenal medulla composed of chromaffin cells, also known as pheochromocytes. When a tumor composed of the same cells as a pheochromocytoma develops outside the adrenal gland, it is referred to as a paraganglioma.
Mayo Clinic Florida is a comprehensive medical center belonging to the Mayo Clinic in Jacksonville, Florida. It is one of three Mayo campuses along with Phoenix/Scottsdale, Arizona and Rochester, Minnesota .
Inflammatory myofibroblastic tumor (IMT) is a rare neoplasm of the mesodermal cells that form the connective tissues which support virtually all of the organs and tissues of the body. IMT was formerly termed inflammatory pseudotumor.