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| References
- Vasectomy |
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11.
McDonald SW. Vasectomy review: sequelae in the human epididymis
and ductus deferens. Clin Anat. 1996;9:337-42.
Abstract:
Following vasectomy, spermatogenesis continues, the human
epididymis and ductus deferens may distend and leak, and the
extravasated spermatozoa stimulate formation of a sperm granuloma.
Granulomas may occur at 60% of vasectomy sites and are usually
asymptomatic and relieve intraluminal pressure. About 3-5%
of patients experience pain. Intraluminal phagocytosis may
explain why some reproductive tracts become depleted of spermatozoa.
Distension of the epididymis is common after vasectomy and
may lead to granuloma formation there. Up to 6% of patients
have symptoms, but many with epididymal changes have no discomfort.
Most episodes of painful epididymitis and granulomas resolve
with conservative treatment, but < 1% require vasectomy reversal
or, if this is ineffective, excision of the epididymis and
obstructed ductus deferens
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