A parathyroid adenoma is a benign tumor of the parathyroid gland. It generally causes hyperparathyroidism; there are very few reports of parathyroid adenomas that were not associated with hyperparathyroidism.A human being usually has four parathyroid glands located on the back surface of the thyroid in the neck.
This page contains content from the copyrighted Wikipedia article "Parathyroid adenoma"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.