Abscess in the posterior region of the uterus due to <em>Streptococcus thoraltensis</em> in 38‑year‑old female: A case report

Gónzalez Arceo,Ingrid Janette; Robles Rojo,Gabriela Andrea

doi:10.3892/mi.2025.215

Abscess in the posterior region of the uterus due to Streptococcus thoraltensis in 38‑year‑old female: A case report

Authors:
- Ingrid Janette Gónzalez Arceo
- Gabriela Andrea Robles Rojo
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Affiliations: Faculty of Medicine, University of Colima, 28040 Colima, Mexico
Published online on: January 13, 2025 https://doi.org/10.3892/mi.2025.215
Article Number: 16
Copyright : © Gónzalez Arceo et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY 4.0].

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Abstract

Streptococcus thoraltensis (S. thoraltensis) is a bacterium usually present in the gut microbiome of quadruped mammals. S. thoraltensis is not considered pathogenic for humans; however, several reports have identified it as the etiological agent in cases of chorioamnionitis, postpartum pneumonia and fever of unknown origin. Furthermore, it has been isolated in samples from patients with endocarditis both with and without heart valve replacement. The present study describes the case of a 38‑year‑old healthy female patient who experienced acute abdominal pain accompanied by dysuria, vesical tenesmus and constipation. A computed tomography scan revealed a retro‑uterine cystic mass due to a bacterial abscess. Following surgical drainage, microbiological culture identified S. thoraltensis as the etiological agent. The patient was thus treated with doxycycline and metronidazole, and exhibited a successful response to treatment. The increasing occurrence of S. thoraltensis in human infections suggests potential changes in the epidemiological profile of this bacterium. It is possible that human activity contributes directly or indirectly to the emergence of new pathogens.

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