, Volume 20, Issue 8, pp 957-960
Date: 04 Apr 2009

Female urethral diverticulum: a pathological insight

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Abstract

Introduction and hypothesis

In this study, we define the histopathological features of female urethral diverticula and attempt to elucidate its pathogenesis and etiology.

Methods

We analyzed 22 clinical records of women diagnosed with urethral diverticula. We collected clinical, surgical, and pathological data. Pathological re-assessment was performed using hematoxylin–eosin and van Gieson stains.

Results

The predominant epithelial types were squamous (41.9%), columnar (31.8%), combined squamous and columnar (18.2%), and cuboidal (13.6%). There was no case of the transitional type. Epithelial ulcerations were present in nine cases. The diverticular wall was composed only of fibrous collagen tissue in all cases. Inflammatory signs were noted in 77.3% of specimens.

Conclusions

Histopathological features of female urethral diverticula match the criteria for paraurethral cysts. Concomitant use of synthetic meshes should be avoided due to the possibility of an infectious etiology. Transvaginal excision of the sac is recommended, while transurethral procedures are contraindicated.

Presented at 102nd Annual Meeting of American Urological Association, Anaheim, California, USA, 2007