Abstract
Streptococcus agalactiae (S. agalactiae) is a microorganism that asymptomatically colonizes the female genital and gastrointestinal tracts of humans. It produces infections in extreme ages of life and in pregnant women. The case of an adult male is presented, with frequent heterosexual intercourse with different partners. He consulted for itching and burning in the penis' glans. His partner had marked vaginal dryness as a result of early ovarian failure. The patient had ulcerative, non-painful, erythematous lesions with raised edges and little yellow-green discharge. No Donovan bodies were found in the discharge smear and the culture was positive for S. agalactiae. His asymptomatic partner had negative microbiological tests. Both with negative serologies for Chlamydia, HIV and syphilis. No information was obtained from other sexual contacts. It cannot be ascertained that it was a venereal event, it is more likely that the injuries are related to repeated coital trauma.
Highlights
Streptococcus agalactiae (S. agalactiae), called group B ß-hemolytic streptococcus, is a facultative anaerobic, gram-positive, oxidase, and catalase-negative cocco that forms chains of variable length
An increase in the incidence of S. agalactiae disease in adults has been reported in the United States, from 3.6 x 100,000 in 1990 to 7.3 x 100,000 in 2007 [1], Including from skin or soft tissue infection to bacteremia
In the former, cellulitis, abscesses, ulcers, necrotizing fasciitis or pyomyositis occur. The latter can lead to heart valve lesions, endocarditis, pneumonia, osteomyelitis, and meningitis [1, 2]
Summary
Streptococcus agalactiae (S. agalactiae), called group B ß-hemolytic streptococcus, is a facultative anaerobic, gram-positive, oxidase, and catalase-negative cocco that forms chains of variable length. In 1887 Edmond Nocard identified it in bovine mastitis and it was related to the decrease in the quantity and quality of milk This is the reason why it was called agalactiae, which means "without milk." In 1938 Fry described three cases of puerperal infection by S. agalactiae, and several years later it was recognized as the causal agent in neonatal infections. At the time it has been established that S. agalactiae is part of the normal intestinal flora of humans and other lower species. Without causing infection, it can asymptomatically colonize the male and female urogenital tracts [3]. The aim is to present the clinical case of a male who consulted for presenting two genital ulcers, in which S. agalactiae was isolated
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