lipoadenoma

lipoadenoma

A benign circumscribed proliferation of glands and fat, the most common of which is the functionally hyperactive parathyroid lipoadenoma. Other lipoadenomas include the myxoid lipoadenoma (also of the parathyroid gland) and oncocytic lipoadenoma of the salivary gland.
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4) Despite this histologic similarity, lipohyperplasia differs from lipoadenoma in that lipohyperplasia is present in all four glands.
No cases of gross recurrence of lipohyperplasia or lipoadenoma have been reported, and there has been only 1 case of recurrent hypercalcemia after subtotal parathyroidectomy.
Parathyroid lipoadenoma and lipomatous hyperplasia.
Lesions Which May Be Associated With Hyperthyroidism Nonneoplastic parathyroid lesions Parathyroid hyperplasia Primary chief cell hyperplasia Water-clear cell hyperplasia Parathyroiditis Parathyroidal cysts Neoplasms of the parathyroid glands Adenoma Atypical adenoma Lipoadenoma Carcinoma Secondary neoplasms Metastases Invasion of tumors by direct extension Table 2.
Lipoadenomas are another exceedingly uncommon entity, with fewer than 50 reported cases.
Very rare causes of primary hyperparathyroidism include lipoadenomas or hamartomas.