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女,43岁,月经过多1月,灰褐破碎组织一堆,1.2x0.8x0.3cm,质软。镜下细胞较小,异型明显,呈实体巢状或片状排列,腺腔状结构少见,局部可见核巨样细胞。初步考虑低分化腺癌,但纠结的是送检内膜中部分可见正常的内膜腺体和间质。低倍镜下很像是鳞化,也考虑鳞癌,但想到子宫内膜鳞癌少见,此例又未见角化珠等鳞癌特征。又怀疑是否宫颈来源。请老师们指点。
宫内膜样腺癌伴有鳞化,单纯从诊刮标本是很难判断来自宫体还是宫颈管的。免疫组化也只是个参考。临床规范的做法是同时做宫颈管诊刮和宫腔诊刮,而且先宫颈管,然后宫腔。
这例必须与临床沟通。如果没有时间或机会沟通,可以这样出诊断报告:低分化宫内膜样腺癌伴有鳞化。请结合临床及影像学检查判断肿瘤发生部位(宫体或宫颈)。
Determination of site is much more important than histologic type of the cancer in this case, because it is fundamentally different in treatment of cervical cancer than endometrial cancer . Based on morphology, this is a carcinoma likely derived from cervix rather than endometrium. Please perform p16, CK5/6 and p63 to confirm its squamous nature. Also please check her cervical cytology and HPV status. Also make sure she has no history of other malignancy, such as breast cancer.