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Advances in Urology
Volume 2009, Article ID 610453, 4 pages
Case Report

Müllerian Serous Cystadenoma of the Scrotum Following Orchiopexy

1Department of Pathology, University Medical Centre Utrecht, Utrecht, The Netherlands
2Department of Dermatology, University Medical Centre Utrecht, Utrecht, The Netherlands

Received 3 December 2008; Accepted 12 January 2009

Academic Editor: Christopher Gonzalez

Copyright © 2009 Sebastian C. J. van der Putte 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.


A 24-year-old man presented himself with a nodular lesion of about 1 cm diameter at the site of a previous orchiopexy associated with surgery for cryptorchism. Histopathology revealed the lesion to be adenomatous and confined to the scrotum. Histological and immunohistological features were not consistent neither with median raphe cysts or cutaneous adenomas nor with the intrascrotal adenomas of the rete testis, epididymis, nor with (malignant) mesotheliomas. However, the lesion did compare well with serous (papillary) cystadenomas of the testis or paratestis. These adenomas are thought to originate in remnants of the Müllerian system or of peritoneal lining altered by Müllerian metaplasia. This implies that the scrotal adenoma may have developed from an implant of such elements during orchiopexy 14 years ago. Complete excision of the lesion appears to be an adequate therapy.