An adenoma is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adenomas can grow from many glandular organs...

Pituitary adenomas are tumors that occur in the pituitary gland. Most pituitary tumors are benign, approximately 35% are invasive and just 0.1% to 0.2%...

The colorectal adenoma is a benign glandular tumor of the colon and the rectum. It is a precursor lesion of the colorectal adenocarcinoma (colon cancer)...

Hepatocellular adenoma (also known as hepatic adenoma or hepadenoma) is a rare, benign liver tumor. It most commonly occurs in people with elevated systemic...

thyroid adenoma is a benign tumor of the thyroid gland, that may be inactive or active (functioning autonomously) as a toxic adenoma. A thyroid adenoma may...

adrenocortical adenoma or adrenal adenoma is commonly described as a benign neoplasm emerging from the cells that comprise the adrenal cortex. Like most adenomas, the...

of excessive cortisol by the adrenal glands. Cases due to a pituitary adenoma are known as Cushing's disease, which is the second most common cause of...

parathyroid adenoma is a benign tumor of the parathyroid gland. It generally causes hyperparathyroidism; there are very few reports of parathyroid adenomas that...

Pleomorphic adenoma (or benign mixed tumor) is a common benign salivary gland neoplasm characterised by neoplastic proliferation of epithelial (ductal)...

cases the excess production is due to a benign tumor, known as a pituitary adenoma. The condition is not inherited. Acromegaly is rarely due to a tumor in...

of adenoma, characterized by a slow-growing tumor usually presenting as a pink, flesh-coloured, or yellow papule or nodule.: 662  Sebaceous adenomas, in...

Nephrogenic adenoma is a benign growth typically found in the urinary bladder. It is thought to result from displacement and implantation of renal tubular...

tumors. About 35% of the cases are caused by a single aldosterone-secreting adenoma, a condition known as Conn's syndrome. Many patients experience fatigue...

Hyalinizing trabecular adenoma (or Hyalinizing trabecular adenoma) is a subtype of thyroid adenoma. Ünlütürk, U; Karaveli, G; Sak, S. D.; Erdoğan, M....

A nipple adenoma is a rare benign tumour of the breast. The condition may also be known as : Florid papillomatosis of the nipple Florid adenomatosis Subareolar...

Adenoma sebaceum, also known as facial angiofibroma is a misnamed cutaneous disorder consisting of angiofibromas that begin in childhood (generally present...

Metanephric adenoma (MA) is a rare, benign tumour of the kidney, that can have a microscopic appearance similar to a nephroblastoma (Wilms tumours), or...

crypts.[citation needed] Unlike conventional colonic adenomas (e.g. tubular adenoma, villous adenoma), they do not (typically) have nuclear changes (nuclear...

benign, it is called a Hürthle cell adenoma, and when malignant it is called a Hürthle cell carcinoma. Hürthle cell adenoma is characterized by a mass of benign...

tumor is the second most common benign parotid tumor after pleomorphic adenoma, but its prevalence is steadily increasing. Its cause is unknown, but there...

origin; as an example, endocrine tumors such as thyroid adenomas and adrenocortical adenomas may overproduce certain hormones. The word "benign" means...

Adenocarcinoma is the malignant counterpart to adenoma, which is the benign form of such tumors. Sometimes adenomas transform into adenocarcinomas, but most...

They may be benign (e.g. hyperplastic polyp), pre-malignant (e.g. tubular adenoma) or malignant (e.g. colorectal adenocarcinoma). Colorectal polyps are not...

Pancreatic cancer arises when cells in the pancreas, a glandular organ behind the stomach, begin to multiply out of control and form a mass. These cancerous...

pleomorphic adenoma (ca ex PA) is a type of cancer typically found in the parotid gland. It arises from the benign tumour pleomorphic adenoma. Its prognosis...

cancer pathogenesis. In this adenoma-carcinoma sequence, normal epithelial cells progress to dysplastic cells such as adenomas, and then to carcinoma, by...

hyperplasia or sebaceous adenoma. The distinction may be moot because both entities have the same treatment, although the adenoma has a greater growth potential...

Salivary gland tumours, also known as mucous gland adenomas or neoplasms, are tumours that form in the tissues of salivary glands. The salivary glands...

adenomas (also called hepatocellular adenoma) are rare benign liver tumors made up of hepatocytes, with estimates indicating hepatocellular adenomas make...

serrated adenoma is a premalignant type of polyp found in the colon, often in the distal colon (sigmoid, rectum). Traditional serrated adenomas are a type...