结合病史和大体，首先考虑上皮样间质瘤，做免疫组化除外特殊类型的癌和转移癌。

GIST、肾细胞癌、Rosai-dorfman病？

CD117、Dog-1、CD10、PAX-2、CK、Vim、S-100、CD68

首先考虑上皮样胃肠间质瘤。

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