转移性前列腺腺癌假增生性变异体的细针穿刺细胞学分析

Y. Kwon, Won Seo Park, G. Lee, E. Hong
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引用次数: 0

摘要

假增生性前列腺腺癌是一种罕见的前列腺腺癌的组织学变异,类似于良性结节性增生。免疫组织化学可以证实基底细胞的缺失,但它经常与常规腺癌混合。由于在原发性前列腺腺癌中很少进行细针穿刺细胞学检查,因此假性增生性变异体的细胞学尚未被描述。我们报告一例75岁男性肺结节转移性假增生性腺癌。细胞学涂片主要由大而平的片组成,在干净的背景中有细长的分枝状乳头。片上可见清晰的蜂窝状高柱状排列规则的单调细胞,细胞学上少有异型性。在随后的前列腺活检中,假性增生性变异体与常规的Gleason 3级和4级腺癌一起被发现。肺结节的细胞学特征与前列腺腺癌的假增生性成分相同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fine Needle Aspiration Cytology of Metastatic Prostatic Adenocarcinoma, Pseudohyperplastic Variant
Pseudohyperplastic prostatic adenocarcinoma is a rare histologic variant of prostatic adenocarcinoma that resembles benign nodular hyperplasia. Immunohistochemistry can verify the absence of basal cells, but it is frequently admixed with conventional adenocarcinoma. Because fine needle aspiration cytology is rarely performed in primary prostatic adenocarcinoma, the cytology of the pseudohyperplastic variant has not been described. We experienced a case of metastatic pseudohyperplastic adenocarcinoma in a pulmonary nodule of 75-year-old man. The cytologic smear was mostly composed of large, flat sheets with elongated branching papillae in a clean background. The sheets showed a well-defined honeycomb appearance of tall columnar, regularly arranged monotonous cells with little cytologic atypia. In subsequent prostatic biopsy, pseudohyperplastic variants were identified together with conventional adenocarcinoma of Gleason's grade 3 and 4. The cytologic features of pulmonary nodules were identical to those of pseudohyperplastic components of prostatic adenocarcinoma.
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