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・ Macroparalepis
・ Macroparalepis affinis
・ Macroparasite
・ Macropartisanship
・ Macropathus
・ Macropedius
・ Macropelobates
・ Macropelopia
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・ Macroperipatus insularis
・ Macropetalichthys
・ Macrophage
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Macrophage activation syndrome
・ Macrophage colony-stimulating factor
・ Macrophage elastase
・ Macrophage inflammatory protein
・ Macrophage migration inhibitory factor
・ Macrophage migration inhibitory factor domain
・ Macrophage polarization
・ Macrophage-1 antigen
・ Macrophage-activating factor
・ Macrophage-capping protein
・ Macrophagic myofasciitis
・ Macropharyngodon
・ Macropharyngodon geoffroy
・ Macropharyngodon meleagris
・ Macropharyngodon negrosensis


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Macrophage activation syndrome : ウィキペディア英語版
Macrophage activation syndrome
Macrophage-activation syndrome (MAS) is a severe, potentially life-threatening, complication of several chronic rheumatic diseases of childhood. It occurs most commonly with systemic-onset juvenile idiopathic arthritis (SoJIA), which is also known as Still's disease. In addition, MAS has been described in association with systemic lupus erythematosus (SLE), Kawasaki disease, and adult-onset Still's disease. It is thought to be closely related and pathophysiologically very similar to reactive (secondary) hemophagocytic lymphohistiocytosis (HLH). The incidence of MAS is unknown as there is a wide spectrum of clinical manifestations, and episodes may remain unrecognized.
== Clinical and laboratory findings ==

The hallmark clinical and laboratory features include high fever, hepatosplenomegaly, lymphadenopathy, pancytopenia, liver dysfunction, disseminated intravascular coagulation, hypofibrinogenemia, hyperferritinemia, and hypertriglyceridemia. Despite marked systemic inflammation, the erythrocyte sedimentation rate (ESR) is paradoxically depressed, caused by low fibrinogen levels. The low ESR helps to distinguish the disorder from a flare of the underlying rheumatic disorder, in which case the ESR is usually elevated. A bone marrow biopsy or aspirate usually shows hemophagocytosis.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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