Balanoposthitis associated with Gardnerella vaginalis infection in men.

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Abstract
Fourteen of 194 (7.2%) consecutive unselected men had positive culture results from genital swabs for G. vaginalis. A higher yield of isolates was obtained from preputial (93%) than from urethral swabs (64%). Of the 14 men, 2 had no detectable genital abnormality, 8 non-gonococcal urethritis and 9 balanoposthitis. The urethral isolation rates for G. vaginalis in men with and without non-gonococcal urethritis were not significantly different, but preputial isolation rates were significantly higher (P < 0.001) in men with balanoposthitis than in those without. The prevalence rate for G. vaginalis in men with non-candidal balanoposthitis was 31%. In a 2nd study, concomitant Bacteroides spp. were isolated in preputial swabs from 9 of 12 (75%) men with G. vaginalis-associated balanoposthitis and may play a role in its pathogenesis.