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Hibernoma : Introduction

 
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Introduction: Hibernoma is a rare benign lipomatous tumor composed of cells resembling brown fat. The term hibernoma comes from its resemblance to the hibernating glands of some animals. It accounts for < 2% of benign and 1% of all lipomatous tumors. It usually occurs in the subcutaneous tissues of the back (interscapular region), axilla and thigh in adults.

It is slow-growing with no risk of recurrence following resection. Most cases show translocations involving 11q13-21 region that result in codeletion of tumor suppressor genes MEN1 and AIP.

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