What sort of disorder is an endocrine tumor?

Tumor: A tumor or growth involving an endocrine gland. Can be malignant, or benign. Results in symptoms due to either over- or under- production of the gland's hormone. Examples are pheochromocytoma, pituitary adenoma, thyroid nodule, insulinoma, and others.

Too vague: There are many endocrine glands, so many endocrine tumors, and they are all different.

Hormone active T: Tumors of endocrine glands that may secrete hormone or hormone like sutances. Adrenal cortical tumors can produce cortisone and cause cushing's disease. Thyroid tumor can cause thyrotoxicosis (overactive thyroid). Pituitary adenoma or cancer can cause variety of endocrine disorders. Ovarian or testicular tumors in children can cause precotious puberty. Etc. Etc.

Tumors in hormone: -producing organs, such as the pituitary, thyroid, pancreas, parathyroid, adrenal glands.