良性转移性肺平滑肌瘤伴恶性转化，模拟纵隔肿瘤。
Benign metastasizing leiomyoma of the lung with malignant transformation mimicking mediastinal tumor.
机构信息
Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan.
出版信息
Clin Imaging. 2011 Sep-Oct;35(5):401-4. doi: 10.1016/j.clinimag.2010.11.003.
We report a rare case of benign metastasizing leiomyomas (BMLs) showing malignant transformation in one of them. A 65-year-old woman had a fever. Computed tomography (CT) revealed a mass on the left side of the anterior mediastinum and multiple nodules in bilateral lungs. The masses proved to be leiomyomas and a leiomyosarcoma. The latter showed heterogeneous contrast enhancement on CT and high heterogeneous uptake of (18)F-fluorodeoxyglucose (FDG) on positron emission tomography (PET)-CT. This case suggested the potential usefulness of PET-CT for differentiating these entities.
我们报告了一例罕见的良性转移性平滑肌瘤（BML），其中一个发生恶性转化。一名 65 岁女性出现发热。计算机断层扫描（CT）显示前纵隔左侧有一个肿块，双侧肺部有多个结节。这些肿块被证实为平滑肌瘤和平滑肌肉瘤。后者在 CT 上表现为不均匀增强，在正电子发射断层扫描（PET）-CT 上显示出高不均匀摄取（18）F-氟脱氧葡萄糖（FDG）。该病例提示 PET-CT 在鉴别这些实体方面可能具有一定的作用。
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