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very difficult case. Abin may be right.. However, the leydig cells tumor cells or leydig cells of SLCT are almost always strongly and diffusely positive for inhibin and calretinin. It can be a granulsa tumor with focal lutinization based on the morphology, IHC and special stain. I never use s-100 and have not experience about its usage on SCST.
abin译:这例很难,abin可能是对的……然而,leydig细胞瘤或性索-间质肿瘤(SCST)中的leydig细胞几乎总是弥漫强阳性表达inhibin和calretinin。根据形态学、IHC和特染,它可能是粒层细胞瘤伴局灶黄素化。我从未用S-100做SCST因此没有使用经验。
yi781090027 离线
以下是引用cqzhao在2009-3-22 1:29:00的发言:
order some IHC first. AE1/AE3, CK7/CK20 for epithelial tumors Inhibin, caretinin for sex-cord tumor WT1. fibroma/thecoma should be diffusely positive chromogranin and synapphasin for carcinoid |
做一些免疫组化
AE1/AE3, CK7/CK20--上皮性肿瘤
Inhibin, caretinin--性索间质肿瘤
WT1--纤维瘤/卵泡膜瘤应该弥漫阳性
chromogranin and synapphasin --类癌
华夏病理/粉蓝医疗
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