Acute Myeloid Leukemia with Multilineage Dysplasia in Children

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作者
Souichi Adachi
Atsushi Manabe
Masue Imaizumi
Takashi Taga
Akio Tawa
Masahito Tsurusawa
Akira Kikuchi
Atsuko Masunaga
Masahiro Tsuchida
Tatsutoshi Nakahata
机构
[1] Graduate School of Medicine,Department of Pediatrics
[2] Kyoto University,Department of Pediatrics
[3] St. Luke’s International Hospital,Department of Hematology and Oncology
[4] Miyagi Children’s Hospital,Department of Pediatrics
[5] Shiga University of Medical Science,Department of Pediatrics
[6] National Hospital Organization Osaka National Hospital,Department of Pediatrics
[7] Aichi Medical University,Division of Hematology/Oncology
[8] Saitama Children’s Medical Center,Department of Surgical Pathology
[9] Showa University Fujigaoka Hospital,Department of Pediatrics
[10] Ibaraki Children’s Hospital,undefined
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关键词
AML with multilineage dysplasia; Children; Retrospective analysis;
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摘要
We retrospectively surveyed pediatric acute myeloid leukemia (AML) patients with multilineage dysplasia treated with the AML 99 and the Children's Cancer and Leukemia Study Group (CCLSG) AML 9805 protocols. We found only 9 AML patients (2.6%) with multilineage dysplasia among the 341 patients with newly diagnosed de novo AML. Eight of the 9 patients obtained complete remission (CR) following the intensive AML-oriented treatments. Three of 7 patients who underwent stem cell transplantation were alive in CR for more than 4 years, and the 2 patients treated only with chemotherapy were alive in CR for more than 30 months. We did not identify any particular chromosomal abnormalities or differentiation according to the French-American-British classification in these 9 patients. No reports have described AML with multilineage dysplasia in children, and the incidence of the disease is expected to be very low. We plan to conduct a prospective pathologic review to select cases with this disease entity in the next Japanese Pediatric Leukemia/Lymphoma Study Group (JPLSG) AML-05 protocol.
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页码:358 / 363
页数:5
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