小児における異所性肺吸虫症による巨大心嚢液貯留の稀な診断的課題:症例報告
Xiaomei Wang1, Junbo Wu2, Juan Huang3
1Department of Laboratory Medicine, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430015, P. R. China.
まとめ
肺吸虫症は、小児における心嚢液貯留を引き起こす可能性のある寄生虫感染症です。閉塞性心膜炎を防ぐためには、画像検査と血清学的検査による早期診断が不可欠です。
科学分野:
- 感染症; 寄生虫学; 心臓病学
背景:
- 肺吸虫症は食品媒介性の寄生虫疾患です。通常は肺に影響しますが、稀に心膜に関与することがあります。異所性肺吸虫症は、特に小児において診断上の課題となります。
研究 の 目的:
- 孤立した心嚢液貯留を呈する小児の異所性肺吸虫症の稀な症例を報告すること。診断上の課題を強調し、重要な診断ツールを強調すること。合併症を防ぐために、早期認識と介入の重要性を強調すること。
主な方法:
- 中国の流行地域出身の10歳男児の症例報告。臨床症状、検査所見(心嚢液分析、末梢血好酸球増多、便卵)、および画像検査(心エコー検査)の分析。プラジカンテル、コルチコステロイドによる治療、およびその後の心膜切除術。
主要な成果:
- 患者は、呼吸器症状がないにもかかわらず、急性胃腸症状と巨大な心嚢液貯留を呈しました。心嚢液の分析では結論が得られず、末梢血好酸球増多と便卵は認められませんでした。心エコー検査では「繭様」パターンが明らかになり、肺吸虫に対するIgG血清学的検査が陽性でした。心膜切除術後に壊死性肉芽腫性炎症が確認されました。
結論:
- 孤立した心嚢液貯留を呈する異所性肺吸虫症は、診断上の課題です。疫学的病歴、心エコー検査の特徴、および血清学的検査は診断に不可欠です。流行地域では、閉塞性心膜炎を防ぐために、適時介入が不可欠です。
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