Two cases of primary biliary cholangitis associated with autoimmune hemolytic anemia
نویسندگان
چکیده
1例目は71歳,女性.動悸を主訴に当科を紹介受診した.血色素7.7 g/dl,ハプトグロビン10 mg/dl以下,Coombs試験陽性から自己免疫性溶血性貧血(AIHA)と診断された.プレドニゾロン(prednisolone,PSL)投与が著効したが,AIHAの診断後1年8カ月経過した頃よりALP,γGTPの上昇ならびに抗ミトコンドリアM2抗体の高値を示し,肝組織検査で中沼分類stage 2の原発性胆汁性胆管炎(PBC)と診断された.2例目は67歳,男性.褐色尿を主訴に当科を紹介受診した.血色素が10.3 g/dl,ハプトグロビンが10 mg/dl以下,Coombs試験が陽性であり,AIHAと診断された.1例目同様にPSLが著効したが,初診時からの持続的なALP,γGTPの上昇ならびに抗ミトコンドリアM2抗体の高値を示し,肝組織検査で中沼分類stage 2のPBCと診断された.2症例ともにウルソデオキシコール酸が奏効し,肝胆道系酵素は正常化した.自己免疫性疾患であるPBC,AIHAの合併例は稀であり,発症機序,治療について考察した.
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ژورنال
عنوان ژورنال: Kanzo
سال: 2021
ISSN: ['0451-4203', '1881-3593']
DOI: https://doi.org/10.2957/kanzo.62.144