Abstract:The pathogenesis and the treatment strategy of DIC complicated with hematological malignancy Noriaki KAWANO 要約:播種性血管内凝固(disseminated intravascular coagulation: DIC)は,主に敗血症や造血器疾患に合併する. 代表的な敗血症に合併する DIC の病態は,免疫細胞から放出されるヒストンや HMGB-1(High mobility group box-1 protein)などの核内蛋白が重要性な役割を果たし,線溶抑制型で臓器不全を呈する.一方,造血器腫瘍 (主に白血病)に合併する DIC は,線溶亢進型で主に出血症状を呈する.白血病細胞は,組織因子や cancer procoagulant を発現・放出し,外因系凝固機序を促進させ,凝固活性化する.特に,急性前骨髄性白血病細胞で は annexin II の過剰発現により,プラスミンの生成を亢進し,線溶活性化する.DIC の診断は,鑑別疾患の除外 [血栓性微小血管障害症(thrombotic microangiop… Show more
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