Cytomorphology of hibernoma: a report of 2 cases
Thejasvi, K.; Niveditha, S.R.; Suguna, B.V.; Hemalata, M.; Kusuma, V.
Acta Cytologica 54(5 Suppl): 875-878
2010
ISSN/ISBN: 0001-5547 PMID: 21053560 Document Number: 644156
Hibernoma, a benign neoplasm of the brown fat, clinically and radiologically can mimic a lipoma or liposarcoma, especially in the retroperitoneum. As treatment modalities vary, an accurate preoperative diagnosis may help the surgeon to plan treatment. Hence cytologic features of 2 cases of hibernoma are described. Two middle-aged men diagnosed clinically as having lipomas were subjected to fine needle aspiration (FNA). Smears revealed typical hibernoma cells with a minor percentage of eosinophilic cells and mature adipocytes. FNA is a highly sensitive and specific tool for the diagnosis of hibernoma.