Pituitary Gland Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm affecting the pituitary gland. The vast majority are pituitary neuroendocrine tumors (formerly pituitary adenomas).

**Synonyms:** - Neoplasm of Pituitary - Neoplasm of Pituitary Gland - Neoplasm of the Pituitary - Neoplasm of the Pituitary Gland - Neoplasm of uncertain behavior of pituitary gland - Pituitary Gland Tumor - Pituitary Gland Tumor - Pituitary Neoplasm - Pituitary Tumor - Pituitary Tumor - Tumor of Pituitary - Tumor of Pituitary Gland - Tumor of the Pituitary - Tumor of the Pituitary Gland - pituitary tumor