Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Sperm granulomas
Introduction
A sperm granuloma is a lump of extravasated sperm that appears along the vasa deferentia or epididymides in vasectomized men. Sperm granulomas are rounded or irregular in shape, one millimeter to one centimeter or more, with a central mass of degenerating sperm surrounded by tissue containing blood vessels and immune system cells. [1] Sperm granulomas can be either asymptomatic or symptomatic, i.e. painful. Sperm granulomas are present in the vast majority of vasectomized men as a result of the pressure-induced changes of vasectomy. [2]
References
- ↑ McDonald S. “Cellular responses to vasectomy.” International Review of Cytology. 2000;199:295-339. PMID 10874581
- ↑ Silber S. “Reversal of vasectomy and the treatment of male infertility: role of microsurgery, vasoepididymostomy, and pressure-induced changes of vasectomy.” Urologic Clinics of North America. 1981;8:53-62. PMID 7210354
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Editor-In-Chief: Template:Search infobox C. Michael Gibson, M.S., M.D. [1]