Acute Myeloid Leukemia in a Patient With X-linked Severe Combined Immunodeficiency

被引:1
|
作者
Shigemura, Tomonari [1 ]
Motobayashi, Mitsuo [1 ]
Matsuda, Kazuyuki [2 ]
Shimodaira, Takahiro [2 ]
Kurata, Takashi [1 ]
Kobayashi, Norimoto [1 ]
Agematsu, Kazunaga [3 ]
Nakazawa, Yozo [1 ]
机构
[1] Shinshu Univ, Sch Med, Dept Pediat, 3-1-1 Asahi, Matsumoto, Nagano 3908621, Japan
[2] Shinshu Univ Hosp, Dept Lab Med, Matsumoto, Nagano, Japan
[3] Shinshu Univ, Grad Sch Med, Dept Infect & Host Def, Matsumoto, Nagano, Japan
关键词
severe combined immunodeficiency; acute myeloid leukemia; cord blood transplantation; loss of heterozygosity; NRAS mutation; 6q deletion; CANCER; PATHWAY; REGIONS; 6Q;
D O I
10.1097/MPH.0000000000000892
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Severe combined immunodeficiency (SCID) is a defect in the differentiation and function of T cells. An increased malignancy risk, mainly lymphatic malignancy, has been described in patients with SCID. We report a patient with X-linked SCID who developed acute myeloid leukemia, derived from the recipient with somatic NRAS mutation 4 months after cord blood transplantation (CBT). Loss of heterozygosity phenomenon of the recipient at 6q14 locus was observed at 2 months post-CBT and progressed to 6q deletion (6q-) chromosome abnormality. Somatic NRAS mutation was detected at 3 months post-CBT. Thus, 6q- and NRAS mutation were strongly associated with the leukemic transformation in our patient.
引用
收藏
页码:E470 / E472
页数:3
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