Biyan Lu, Chenliang Wang, Junxiao Zhang, Roland P Kuiper, Minmin Song, Xiaoli Zhang, Shunxin Song, Ad Geurts van Kessel, Aikichi Iwamoto, Jianping Wang, Huanliang Liu
Perivascular epithelioid cell tumors of gastrointestinal tract (GI PEComas) are exceedingly rare, with only a limited number of published reports worldwide. Given the scarcity of GI PEComas and their relatively short follow-up periods, our current knowledge of their biologic behavior, molecular genetic alterations, diagnostic criteria, and prognostic factors continues to be very limited.We present 2 cases of GI PEComas, one of which showed an aggressive histologic behavior that underwent multiple combined chemotherapies...
January 2015: Medicine (Baltimore)