血管样纤维组织细胞瘤：2例的磁共振成像表现
Angiomatoid fibrous histiocytoma: magnetic resonance imaging appearance in 2 cases.
作者信息
Ajlan Amr M, Sayegh Karl, Powell Tom, David Haegert, Riha Rose Marie, Khan Jackie, Nahal Ayoub
机构信息
Radiology Department, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
出版信息
J Comput Assist Tomogr. 2010 Sep-Oct;34(5):791-4. doi: 10.1097/RCT.0b013e3181e39755.
OBJECTIVE
Angiomatoid fibrous histiocytoma (AFH) is a rare soft tissue tumor usually affecting the extremities of children and young adults and has a favorable prognosis. The purpose of this study was to report the magnetic resonance imaging appearance in 2 cases of AFH.
CONCLUSIONS
Although the overall features of AFH can be confused with other subtypes of malignant fibrous histiocytoma, the young age at presentation, the location of the mass, the presence of intralesional blood-filled cystic spaces with fluid-fluid levels, associated features of hemosiderin deposition, and an enhancing fibrous pseudocapsule are all potential hints favoring this entity.
目的
血管样纤维组织细胞瘤（AFH）是一种罕见的软组织肿瘤，通常累及儿童和年轻人的四肢，预后良好。本研究的目的是报告2例AFH的磁共振成像表现。
结论
尽管AFH的总体特征可能与恶性纤维组织细胞瘤的其他亚型相混淆，但发病时的年轻年龄、肿块的位置、病灶内充满血液的囊性间隙伴液-液平面的存在、含铁血黄素沉积的相关特征以及强化的纤维假包膜都是支持该实体的潜在线索。
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