CT OF A PARATHYROID LIPOADENOMA - CASE-REPORT

A 54-year-old woman with primary hyperparathyroidism underwent parathy roid exploration following negative ultrasonography, CT and Tc-99-Tl-2 01 scintigraphy. A 2 x 1.5 x 1-cm large mass dorsal to the midportion of the left thyroid lobe was extirpated and a hyperfunctional lipoaden oma containing 70% or more of fatty tissue was verified microscopicall y. Retrospective evaluation of CT revealed a well demarcated lipomatou s mass with a homogeneous density similar to that of subcutaneous fat corresponding to the surgical finding.