Thyroid lipoadenoma: a case report of a rare condition.

ipoadenoma, thyrolipoma, or adenolipoma is an exceedngly rare benign lesion formed by fat and thyroid tissue.1--3 ts origin is unknown; a number of authors explain it as n abnormality arising during thyroid encapsulation or from broblast metaplasia following hypoxia.3--5 The distinction etween thyroid and parathyroid lipoadenoma is subtle and equires confirmation with a positive thyroglobulin test. The linical presentation is one of thyroid nodules, with or withut compressive symptoms.2,3