未分化多形性肉瘤：一种高级别肿瘤的惰性、尾状复发。
Undifferentiated pleomorphic sarcoma: indolent, tail-like recurrence of a high-grade tumor.
作者信息
Alpert Justin S, Boland Patrick, Hameed Meera, Panicek David M
机构信息
Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA.
Division of Orthopaedic Surgery, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA.
出版信息
Skeletal Radiol. 2018 Jan;47(1):141-144. doi: 10.1007/s00256-017-2778-3. Epub 2017 Sep 20.
Abstract
Recurrence of a soft tissue sarcoma typically manifests as a round or oval mass at imaging, and recurrent high-grade soft tissue sarcomas generally enlarge relatively rapidly. We present a case of high-grade undifferentiated pleomorphic sarcoma in the calf of a 48-year-old male that recurred as a thin, curvilinear "tail" of enhancing tissue at magnetic resonance imaging (MRI), with extremely indolent growth over a 7-year period. The unusual imaging finding of a slowly enlarging "tail" should not be dismissed as postoperative changes, even for a high-grade soft tissue sarcoma.
摘要
软组织肉瘤复发在影像学上通常表现为圆形或椭圆形肿块，复发性高级别软组织肉瘤一般相对迅速地增大。我们报告一例48岁男性小腿部高级别未分化多形性肉瘤，其在磁共振成像（MRI）上复发表现为一条薄的、曲线形强化组织“尾巴”，在7年期间生长极为缓慢。即使对于高级别软组织肉瘤，这种缓慢增大的“尾巴”这一不寻常的影像学表现也不应被视为术后改变而不予考虑。
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