Endocrine surgery is a specialized area of surgery that focuses on the treatment of thyroid, parathyroid, and adrenal gland problems, as well as gastrointestinal and pancreatic endocrine carcinomas. Endocrine surgery may be performed on endocrine glands in the human body to treat a hormonal or anti-hormonal effect. It includes surgery to remove carcinomas that have grown on or inside the endocrine gland. The method of procedure is called endonasal surgery by endoscopic technique. Usually the endocrine process includes the thyroid parathyroid glands and the adrenal glands. The most common endocrine surgery may include thyroid removal, followed by removal of the parathyroid gland.