Vasitis Nodosa
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Vasitis nodosa is a complication experienced in approximately 66% of men who undergo
vasectomy Vasectomy is an elective surgical procedure that results in male sterilization, often as a means of permanent contraception. During the procedure, the male vasa deferentia are cut and tied or sealed so as to prevent sperm from entering into ...
. It is a
benign Malignancy () is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A ''malignant'' tumor contrasts with a non-cancerous benign tumor, ''benign'' tumor in that a malig ...
nodular thickening of the
vas deferens The vas deferens (: vasa deferentia), ductus deferens (: ductūs deferentes), or sperm duct is part of the male reproductive system of many vertebrates. In mammals, spermatozoa are produced in the seminiferous tubules and flow into the epididyma ...
, in which small offshoots proliferate, infiltrating surrounding tissue. It can be mistaken for low-grade
adenocarcinoma Adenocarcinoma (; plural adenocarcinomas or adenocarcinomata ; AC) is a type of cancerous tumor that can occur in several parts of the body. It is defined as neoplasia of epithelial tissue that has glandular origin, glandular characteristics, or ...
by
pathologists A list of people notable in the field of pathology. A * John Abercrombie, Scottish physician, neuropathologist and philosopher. * Maude Abbott (1869–1940), Canadian pathologist, one of the earliest women graduated in medicine, expert in c ...
, and is implicated in late vasectomy failure.


See also

* Salpingitis isthmica nodosa


References

Contraception for males Sterilization (medicine) Male genital disorders {{genitourinary-disease-stub