Hindawi Publishing Corporation Case Reports in Oncological Medicine Volume 2015, Article ID 863745, 3 pages http://dx.doi.org/10.1155/2015/863745

Case Report Primary Borderline Mucinous Tumors of the Testis: A Case Report and Literature Review Satoshi Funada,1 Toru Yoshida,1 Masaaki Ito,1 Fumihiko Kono,2 and Takehiko Segawa1 1

Department of Urology, Kyoto City Hospital, 1-2 Higashitakada-Cho, Mibu, Nakagyo-Ku, Kyoto 604-8845, Japan Department of Pathology, Kyoto City Hospital, 1-2 Higashitakada-Cho, Mibu, Nakagyo-Ku, Kyoto 604-8845, Japan

2

Correspondence should be addressed to Satoshi Funada; [email protected] Received 14 October 2014; Revised 1 January 2015; Accepted 12 January 2015 Academic Editor: Lingeng Lu Copyright © 2015 Satoshi Funada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Ovarian-type epithelial tumors of the testes and paratestes are very rare. Mucinous subtypes of such tumors are extremely rare; only 25 cases have been reported to date. Ovarian-type epithelial tumors are histologically classified into cystadenomas, borderline tumors, and carcinomas. We herein report a case involving a 60-year-old man with a primary borderline mucinous tumor of the testis. He underwent orchiectomy and has developed no recurrence for 4 years. This is the 26th report of a mucinous tumor of the testis in the literature. We also herein review the literature and discuss the etiology, prognosis, and treatment of mucinous tumors of the testes.

1. Introduction Surface epithelial tumors are the most common type of ovarian neoplasms. Histologically similar tumors, namely, ovarian-type epithelial tumors, can arise from the testes and paratestes. However, these tumors are very rare; only 25 cases of the mucinous subtype have been reported [1–17]. We herein report a case of a borderline mucinous tumor of the testis and review the literature on this rare testicular neoplasm.

2. Case Presentation A 60-year-old man presented with a 5.5-year history of a painless swelling in his right testis. Physical examination findings were unremarkable with the exception of a left testicular mass. No inguinal lymphadenopathy was found on palpation. Laboratory findings showed an elevated concentration of carcinoembryonic antigen (CEA) at 12 ng/mL (normal:

Primary borderline mucinous tumors of the testis: a case report and literature review.

Ovarian-type epithelial tumors of the testes and paratestes are very rare. Mucinous subtypes of such tumors are extremely rare; only 25 cases have bee...
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