112年:(醫檢)血液(1)
下列何種疾病在臨床上最不會出現 paraproteinemia?
AAcute myeloid leukemia
BChronic lymphocytic leukemia
CWaldenstrom's macroglobulinemia
DMultiple myeloma
詳細解析
本題觀念:
Paraproteinemia(單株免疫球蛋白血症)指血清或尿液中偵測到單一種重鏈或輕鏈的monoclonal immunoglobulin(M-protein),係由plasma cell或B-cell克隆分泌所致。Multiple myeloma為惡性漿細胞腫瘤,必有monoclonal immunoglobulin產生並於SPEP/IFE呈“M-spike”(pubmed.ncbi.nlm.nih.gov);Waldenstrom’s macroglobulinemia為lymphoplasmacytic lymphoma,所有患者均分泌IgM monoclonal protein(mayoclinic.elsevierpure.com);CLL也可因clonal B-cell分泌異常Ig,約60%–80%病例可偵測serum paraprotein([pmc.ncbi.nlm.nih.gov](https
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