Vaziri Mohammad, Sadeghipour Alireza, Pazooki Abdolreza, Shoolami Leila Zahedi
Iran University of Medical Sciences, Tehran, Iran.
Ann Thorac Surg. 2008 May;85(5):1805-6. doi: 10.1016/j.athoracsur.2007.11.023.
Myelolipoma is a rare mesenchymal tumor composed of an admixture of fat and bone marrow-derived hematopoietic cells. It is typically an adrenal lesion, and mediastinal location is extremely unusual. We describe a 56-year-old man with nonspecific symptoms of cough and dyspnea and no underlying disease whose chest computed tomography showed a huge (25 x 15 cm) mediastinal tumor containing calcification. Surgical removal and subsequent pathologic examination of the tumor revealed myelolipoma. Primary myelolipoma should be considered in the differential diagnosis of large posterior mediastinal tumors containing calcification.
髓脂肪瘤是一种罕见的间叶组织肿瘤，由脂肪和骨髓来源的造血细胞混合组成。它通常是肾上腺病变，位于纵隔极为罕见。我们描述了一名56岁男性，有咳嗽和呼吸困难等非特异性症状，无基础疾病，其胸部计算机断层扫描显示一个巨大的（25×15厘米）纵隔肿瘤，伴有钙化。手术切除肿瘤并随后进行病理检查，结果显示为髓脂肪瘤。在鉴别诊断含有钙化的巨大后纵隔肿瘤时，应考虑原发性髓脂肪瘤。
