附睾腺瘤样瘤15例临床病理分析

目的：探讨附睾腺瘤样瘤的临床病理特征、诊断和鉴别诊断．方法：回顾性分析15例临床病理资料、HE染色及免疫组化染色．结果：患者平均年龄分布在22．8～47．5岁间，以阴囊内肿块、部分伴有阴囊隐痛或下坠为主要症状．大体呈圆形或卵圆形，直径多在0．5～5cm之间，界清，无包膜．镜下见瘤细胞呈立方、低柱状，也可呈扁平状，瘤细胞AEI／AE3、Vimentin、EMA（＋）．结论：男性生殖系统腺瘤样瘤为问皮起源，免疫组化结果可作为诊断及鉴别诊断的重要参考依据，其生物学行为为良性，预后良好．

Clinicopathological Analysis on Fifteen Cases of Adenomatoid Tumor of Epididymis

Objective： To discuss the clinicopathological features,diagnosis and differential diagnosis of epididymal adenomatoid tumor.Methods： Retrospectively analyzing clinicopathological data, HE staining and immunohistochemical staining of 15 cases of this disease. Results： Patient＇ s average age ranged from 22.8 to 47.5 years old. The tumor in scrotum,partly accompanied by the pain or tenesums was cardinal symptom. The gross appearance of tumor was round or oval,whose diameter ranged from 0.5 to 5cm with well-demarcated margin and no capsule. The oncocyte assumed the shape of platycyte,short columnar cell or cuboid cell.The tumor cell was postive for AE1/AE3,Vimentin and EMA. Conclusion： Adenomatoid tumors in male reproductive system originate from mesothelium. The results of immunohistochemical staining may become the basis of diagnosis and differential favorable. diagnosis. Its biological property is benign, and the prognosis is favorable.