Pituitary tumor is growth of abnormal cells in the tissues of the pituitary gland. Pituitary gland hormones control many other glands in the body. There are three main types of Pituitary tumors Benign, Invasive adenoma and Carcinoma. Surgery is the main treatment for Pituitary Tumor. The success rate of the surgery depends on the type of tumor, its exact location, its size, and it spread into nearby structures. There are two types of surgical approaches Transsphenoidal surgery and Craniotomy surgery. Transsphenoidal surgery is performed through the sphenoid sinus which is a hollow space in the skull behind nasal passages and below the brain whereas in Craniotomy surgery the tumor is removed through an opening made in the skull. Chemotherapy or radiation therapy is given after the surgery to kill any remaining cancer cells. Surgery for Pituitary Tumor can be very e