Pleomorphic Hyalinizing Angiectatic Tumor of Soft Parts,PHAT
刘正智 夏成青 赵明
更新时间:2020-03-31 11:26:00
概述:
发病部位:足、踝、小腿最常见,其次为躯干和上肢
诊断要点:
3.低倍镜下肿瘤无包膜,边界不清,特征性的可见大小不等,成簇分布的扩张性的血管;
4. 血管腔内常见血栓形成,血管壁附着一层厚的嗜伊红色纤维素样坏死性物质;
5.血管之间可见呈散在片状或束状分布的胖梭形或圆形的瘤细胞,基质纤维性或水肿性;免疫组织化学染色:
分子标记:
鉴别诊断:
预后:
治疗:
参考文献:
Carter JM, Sukov WR, Montgomery E, Goldblum JR, Billings SD, Fritchie KJ, et al. TGFBR3 and MGEA5 rearrangements in pleomorphic hyalinizing angiectatic tumors and the spectrum of related neoplasms. Am J Surg Pathol 2014;38:1182–992.
Folpe AL, Weiss SW. Pleomorphic hyalinizing angiectatic tumor: analysis of 41 cases supporting evolution from a distinctive precursor lesion. Am J Surg Pathol. 2004;28:1417–1425.