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雑誌文献

臨床検査66巻12号

2022年12月発行

文献概要

今月の特集 クローン性造血に関する知見と課題

クローン性造血が存在する前造血器腫瘍状態

著者: 松田晃1

所属機関: 1埼玉医科大学国際医療センター造血器腫瘍科

ページ範囲:P.1386 - P.1390

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●ICUSは1系統以上に原因が特定できない血球減少があり,異形成はない,または軽微である(各系統で10%未満).

●ICUS例で骨髄性腫瘍に認められる体細胞変異が検出される場合はCCUSになる.

●CCUSはICUSよりも骨髄性悪性腫瘍への進行のリスクがはるかに高い.CCUSでは注意深い経過観察が必要である.

●CHIPは,骨髄異形成症候群(MDS)(または他の骨髄性腫瘍)に認められる体細胞変異が存在するが,持続性血球減少がない.

●CHIPでVAF(>10%),高リスク遺伝子の変異を有する場合などは高リスクであるため,厳密なモニタリングが必要である.

参考文献

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14)Jaiswal S, Natarajan P, Silver AJ, et al:Clonal Hematopoiesis and Risk of Atherosclerotic Cardiovascular Disease. N Engl J Med 377:111-121,2017
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16)Osman AEWG:When are idiopathic and clonal cytopenias of unknown significance (ICUS or CCUS)? Hematology Am Soc Hematol Educ Program 2021:399-404,2021
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掲載誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1367

印刷版ISSN:0485-1420

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