| 图片： | |
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| 名称： | |
| 描述： | |
- B284背部肿瘤---冬眠瘤(棕色脂肪瘤)
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zhongshihua 离线
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| 姓 名： | ××× | 性别： | 女性 | 年龄： | 31岁 |
| 标本名称： | 肿瘤 | ||||
| 简要病史： | 发现右背部包块数天。肿瘤位于肋间肌中。 | ||||
| 肉眼检查： | 3.0*2.5*1.0厘米褐色肿物一个，有完整包膜。切面黄色。 | ||||
标签：冬眠瘤 棕色脂肪瘤 背部
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本帖最后由 于 2007-01-18 20:12:00 编辑
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×参考诊断
棕色脂肪瘤
Hibernoma is a benign tumor of brown fat . In adults, scattered brown fat deposits are most commonly found in the subcutaneous regions of the back, especially between the scapulae, and within the axilla, thorax, and mediastinum. Hibernomas are more frequently found in the interscapular region, but a few cases have been described in other sites such as scalp, parotid region, submental space, larynx, mediastinum, and neck
Microscopically it was a neoplastic lesion with lobular pattern and composed of cells that show varying degrees of differentiation, ranging from uniform, round to ovoid, granular eosinophilic cells with a distinct cellular membrane to multivacuolated cells with multiple small lipid droplets and centrally placed nuclei.
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lijunchuan 离线
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| 以下是引用shihuaiy 在2006-12-6 20:48:00的发言：
Hibernoma is a benign tumor of brown fat . In adults, scattered brown fat deposits are most commonly found in the subcutaneous regions of the back, especially between the scapulae, and within the axilla, thorax, and mediastinum. Hibernomas are more frequently found in the interscapular region, but a few cases have been described in other sites such as scalp, parotid region, submental space, larynx, mediastinum, and neck Microscopically it was a neoplastic lesion with lobular pattern and composed of cells that show varying degrees of differentiation, ranging from uniform, round to ovoid, granular eosinophilic cells with a distinct cellular membrane to multivacuolated cells with multiple small lipid droplets and centrally placed nuclei. |
冬眠瘤是发生于棕色脂肪的良性肿瘤。在成人，散在的棕色脂肪堆积可以出现在背部皮下尤其是肩胛骨之间以及腋窝、胸廓和纵隔中。冬眠瘤好发于肩胛间区，但有报道部分病例发生在其它一些部位例如头皮、腮腺区、颏下间隙劾、喉、纵隔和颈部。
镜下该肿瘤呈分叶状，由不同分化程度的细胞构成，一致的、圆形或卵圆形、核膜清晰的嗜酸性颗粒细胞，或者是具有多个小脂滴、核在中央的多空泡状细胞。
