vasitis nodosa

va·si·tis no·do·sa

an inflammatory condition of the vas deferens characterized by the presence of numerous epithelium-lined spaces with the muscularis and adventitia, often containing spermatozoa; usually seen after vasectomy, and may clinically and microscopically mimic adenocarcinoma.
See also: vas deferens.
References in periodicals archive ?
The more commonly described inflammation of the vas deferens, vasitis nodosa, is a benign condition that has been well-characterized (both macroscopically and microscopically) and is usually associated with a history of vasectomy.
3) When a thermal ("red hot wire") cautery is used, (4) a solid plug of scar tissue results with a minimum of spermatic granuloma formation and of vasitis nodosa.
Vasitis nodosa, in which a Medusa's head of channels reaches our from the testicular end of the vas, could explain this "technical failure" if one such channel reached the urethral end.