Spermatocele

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Spermatocele
Diagnosis in short

Spermatocele. H&E stain.

LM cyst lined by a simple ciliated epithelium, contain sperm
LM DDx hydrocele
Site epididymis, spermatic cord, rete testis (rare)

Signs +/-mass
Symptoms +/-pain
Prevalence common
Prognosis benign
Clin. DDx hydrocele
Treatment excision

Spermatocele is a benign pathology typically arising from the epididymis.

General

  • Benign.
  • Cyst of the epididymis (classic).

Clinical:

  • Often asymptomatic.
  • Excised due to pain or mass effect.[2]

Microscopic

Features:

  • Cyst lined by a simple ciliated epithelium.
  • Contain sperm.
    • Head: ~1/2 the size of a RBC, black.
    • Tail: infrequently seen.

Note:

DDx:

Images

www:

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Submitted as "Left Spermatocele Sac", Excision:
     - Consistent with spermatocele sac.
     - NEGATIVE for malignancy.

See also

References

  1. URL: http://emedicine.medscape.com/article/443432-overview. Accessed on: 5 March 2012.
  2. Walsh, TJ.; Seeger, KT.; Turek, PJ.. "Spermatoceles in adults: when does size matter?". Arch Androl 53 (6): 345-8. PMID 18357964.
  3. Lane, Z.; Epstein, JI. (Jan 2010). "Small blue cells mimicking small cell carcinoma in spermatocele and hydrocele specimens: a report of 5 cases.". Hum Pathol 41 (1): 88-93. doi:10.1016/j.humpath.2009.06.018. PMID 19740515.