Synonyms
Epididymal nodule; Epididymal sperm granuloma; Epididymis nodosa
Definition
It is a nodular tumorlike granulomatous lesion in the epididymis or the vas deferens.
Clinical Features
Incidence
Uncommon. It is related to infection, vasectomy, previous surgery, or trauma. It occurs in 20% of the patients following vasectomy.
Age
Adult age
Sex
Male
Site
Epididymis or vas deferens
Treatment
If correctly diagnosed, the treatment is conservative.
Outcome
Benign outcome
Macroscopy
The nodule ranges 0.7–4 cm in greatest dimension and usually is firm, tender, solid or cystic, and discrete, yellow-white solitary nodule in the epididymis or vas deferens. Occasionally, there are small multiple nodules.
Microscopy
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References and Further Reading
Algaba, F., Mikuz, G., Boccon-Gibod, L., Trias, I., et al. (2007). Pseudoneoplastic lesions of the testis and paratesticular structures. Virchows Archiv, 451, 987–997.
Kumar, V., Gupta, N., Srinivasan, R., et al. (2004). Spermatic granuloma presenting as an epididymal nodule: Fine needle aspiration cytological findings and differential diagnosis. Indian Journal of Pathology & Microbiology, 47, 509–510.
Pérez-Guillermo, M., Thor, A., & Löwhagen, T. (1989). Spermatic granuloma. Diagnosis by fine needle aspiration cytology. Acta Cytologica, 33, 1–5.
Schmidt, S. S., & Morris, R. R. (1973). Spermatic granuloma: The complication of vasectomy. Fertility and Sterility, 24, 941–947.
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Raspollini, M.R., Lopez-Beltran, A. (2020). Spermatic Granuloma. In: Raspollini, M.R., Lopez-Beltran, A. (eds) Uropathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-030-41894-6_4948
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DOI: https://doi.org/10.1007/978-3-030-41894-6_4948
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