American journal of clinical pathology
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In a retrospective histologic study, 154 vasovasostomy specimens (77 patients) yielded 50 examples of vasitis nodosa. These cases were examined for nerve invasion by proliferating ductules; benign neural invasion was present in four instances, and four additional cases were found on step sectioning the vasovasostomy specimens, totaling eight cases (16%) of the 50 studied. ⋯ The number of glands within individual nerves varied from one to eight. The findings are discussed in the context of benign glandular invasion of nerves in other locations.