An endocrine gland neoplasm is a neoplasm affecting one or more glands of the endocrine system.^{[citation needed]}Examples include:

• Adrenal tumor
• Pituitary adenoma

The most common form is thyroid cancer.^[1] Conditions such as pancreatic cancer or ovarian cancer can be considered endocrine tumors, or classified under other systems. Pinealoma is often grouped with brain tumors because of its location.^{[citation needed]}