尿膜管遺残の複雑性微生物感染症:症例報告
Koji Tajima1,2, Tsuneaki Kenzaka3, Ayaka Arimoto1
1Division of Internal Medicine, Kokuho Nokami Kosei Sogo Hospital, 198 Shobata, Kimino-cho, Kaiso-gun, Wakayama 640-1141, Japan.
Reports (MDPI)
|December 24, 2025
まとめ
本症例報告は、4種類の嫌気性菌によって引き起こされた稀な尿膜管遺残感染症の詳細を述べている。迅速な診断と治療(抗生物質投与とドレナージを含む)により、再発なく患者は無事に回復した。
科学分野:
- 泌尿器科学
- 感染症学
- 微生物学
背景:
- 尿膜管遺残は稀な先天性異常であり、感染することがある。
- 感染した尿膜管遺残は、通常、腹痛、発熱、臍からの分泌物を呈する。
研究 の 目的:
- 4種類の異なる嫌気性微生物による尿膜管遺残感染症のユニークな症例を報告すること。
- 臍異常の鑑別診断において、尿膜管遺残感染症の重要性を強調すること。
主な方法:
- 感染した尿膜管遺残を示唆する症状を持つ23歳男性の症例提示。
- 診断ワークアップには、検査所見と画像検査が含まれた。
- 治療には、広域スペクトル抗生物質と膿瘍の外科的ドレナージが含まれた。
主要な成果:
- 尿膜管遺残膿瘍の培養により、バクテロイデス・オヴァタス、アナエロコッカス・ヴァギナリス、バクテロイデス・ユニフォルミス、ペプトストレプトコッカス・ストマティスという4種類の嫌気性菌が同定された。
- 患者は広域スペクトル抗生物質療法を受け、膿瘍のドレナージを受けた。
- 2ヶ月の追跡調査で、尿膜管遺残感染症の再発は観察されなかった。
結論:
- 嫌気性微生物4種が関与する尿膜管遺残感染症の最初の記録症例である。
- 発熱、腹痛、臍からの分泌物を呈する患者においては、尿膜管遺残感染症を考慮すべきである。
- 効果的な治療には、嫌気性菌を標的とする抗生物質と、場合によっては外科的ドレナージが必要である。
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