生殖细胞肿瘤:周围睾丸小管内通常可见原位生殖细胞肿瘤,免疫组化染色表达SALL4和/或OCT3/4可资鉴别。
慢性非特殊类型睾丸炎:多形性淋巴细胞和浆细胞浸润,浆细胞无轻链限制。
Ferry JA, Young RH, Scully RE. Testicular and epididymal plasmacytoma: A report of 7 cases, including three that were the initial manifestation of plasma cell myeloma. Am J Surg Pathol 1997;21:590-8.