Vasitis Nodosa

Synonyms

Epididymitis nodosa when seen in the epididymis; Vasitis nodosa when seen in the vas deferens

Definition

Benign proliferation of small ducts and gland-like structures in the walls of the vas deferens or epididymis (Easley and MecLennan 2006).

Clinical Features

• Incidence

  It is frequent from 1 to 15 years after vasectomy. It may occur after trauma, unrelated surgery or obstruction (Algaba et al. 2007).

• Age

  Third, fourth, and fifth decades.

• Sex

  Male.

• Site

  Spermatic cord or epididymis; unilateral but rarely bilateral.

• Treatment

  Resection during vasovasostomy.

• Outcome

  Excellent

Macroscopy

Firm gray-white nodule less than 1 cm.

Microscopy

Proliferation of small ducts and glands-like structures in the wall of the vas deferens, but also, may be seen in the epididymis (epididymitis nodosa). Ducts and gland-like structures may have perineural location, a fact that should not be mistaken with malignancy. Atypia and mitoses are absent. Sperm may be present in the lumen of the glands....