We present 2 cases of hibernoma, a rare lipomatous tumor arising from brown fat tissue. In each case, a hyperechoic mass in comparison to surrounding musculature combined with elevated vascularization was highly suggestive of a liposarcoma. As a rule, malignancy cannot be excluded safely by imaging
Hibernoma: Report of two cases
โ Scribed by Richard J. Lung; Dr. Stephen Lapidus; Stephen H. Miller; William P. Graham III
- Publisher
- John Wiley and Sons
- Year
- 1977
- Tongue
- English
- Weight
- 983 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0022-4790
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โฆ Synopsis
Abstract
Hibernomas are rare tumors of fat which are most often benign. Arteriographic findings may be misleading with respect to the diagnosis of malignancy preoperatively. These uncommon tumors may be confused prior to surgery with lipomas, soft tissue sarcomas, and hemangiomas.
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Cytologic examination of material obtained by fine-needle aspiration of a supraclavicular mass revealed features that were consistent with a hibernoma. Subsequent histologic study following resection of the mass confirmed the cytologic impression. The clinical, histologic, and cytologic features of