アフリカと地元の火山の土壌に宿るカポシ肉腫の流行です
1Department of Clinical Sciences, London School of Hygiene and Tropical Medicine, UK.
Lancet (London, England)
|November 27, 1993
まとめ
アフリカで流行しているカポシ肉腫 (KS) は,火山土壌への曝露から生じ,ポドコニオシスと潜在的に関連している可能性があります. 足経由での粘土鉱物の吸収はリンパ系損傷を引き起こし,雄の感染症に対する感受性を高める可能性があります.
科学分野:
- 環境疫学環境疫学について
- 皮膚科 皮膚科について
- 病理学 パトロジー
背景:
- アフリカで流行しているカポシ肉腫 (KS) は,ポドコニオシスに似た地理的要因と慢性リンパ腫に関連しています.
- この2つの症状は,火山地帯の高原地帯で多く見られ,共通の環境病因が示唆されている.
- KSはリンパ性内皮から発生し,足と脚に影響を与えます.
研究 の 目的:
- 火山土壌への曝露と固有のカポシ肉腫の間の潜在的な関連を調査する.
- KSとポドコニオシスの間の病原学的関係を調査する.
- KSの病因に寄与する環境的および感染症的要因を特定する.
主な方法:
- 火山地帯におけるKSとポドコニオシスの流行の比較地理的分析.
- ポドコニオシス患者におけるリンパ組織の環境粒子の検査.
- エンドミックなKSの臨床的特徴と危険因子のレビュー.
主要な成果:
- ポドコニオシス患者のリンパ系に含まれる火山粘土鉱物 (アルミニウムシリケート) は,足を通じた吸収をサポートします.
- 慢性リンパ系炎症と粘土による阻害は,ポドコニオシスに似たリンパ腫を引き起こす.
- 地理的な重複,リンパ内皮の起源,下肢への嗜好は,共通の原因を示唆しています.
結論:
- 足を通して吸収される火山の粘土鉱物への曝露は,固有のKSに寄与する要因であると考えられる.
- 粘土によるリンパ系損傷は局所免疫を弱め,感染病原体に対する感受性を高めることがあります.
- エンドミックなKSは,環境的暴露 (火山の粘土) と感染因子の組み合わせによる可能性が高い,特に感受性の高い男性では.
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