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Survival Benefit of Hematopoietic Stem Cell Transplantation in Infant Acute Lymphoblastic Leukemia, According to Classification of High Risk Group / 임상소아혈액종양
Clinical Pediatric Hematology-Oncology ; : 86-91, 2011.
Artículo en Coreano | WPRIM | ID: wpr-22244
ABSTRACT

BACKGROUND:

In comparison to older children, acute leukemia in infants has a dismal outcome, despite introduction of intensive multi-agent chemotherapy. Patients with age under 1 year and mixed-lineage leukemia (MLL) gene rearrangements are the most high risk group. In this study, we investigate the outcome of more intensive chemotherapy and the role of hematopoietic stem cell transplantation (HSCT) in high risk group of infant leukemia.

METHODS:

This study analyzed on 9 infants with acute lymphoblastic leukemia (ALL) who were diagnosed and treated between 1998 and 2008 at Severance hospital. We classified high risk group with age at diagnosis is under 6 months or white blood cell at diagnosis are over 50,000/microL or presence of MLL gene rearrangements. Patients in high risk group were treated on a protocol of intensive chemotherapy followed by HSCT.

RESULTS:

In this study, the 3-years EFS rate for 9 infant ALL patients was 66.7+/-15.7%. Both of 2 patients younger than 6 months of age at diagnosis did not survive. 3yr-EFS rate for the 7 patients categorized in high risk group out of 9 infant ALL patients was 57.1+/-18.7%, and 3 yr EFS of the 6 patients in the high risk group who received HSCT was 60+/-21.9%. We did not experience relapse in 6 patients treated with HSCT.

CONCLUSION:

This study showed promising results and lesser risks in high risk group infant ALL treated with intensive chemotherapy and HSCT. We suggest early HSCT with intensive chemotherapy for infant leukemia patients in high risk group.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Recurrencia / Células Madre Hematopoyéticas / Reordenamiento Génico / Leucemia / Trasplante de Células Madre Hematopoyéticas / Leucemia-Linfoma Linfoblástico de Células Precursoras / Leucocitos Tipo de estudio: Estudio de etiología / Guía de Práctica Clínica Límite: Niño / Humanos / Lactante Idioma: Coreano Revista: Clinical Pediatric Hematology-Oncology Año: 2011 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Recurrencia / Células Madre Hematopoyéticas / Reordenamiento Génico / Leucemia / Trasplante de Células Madre Hematopoyéticas / Leucemia-Linfoma Linfoblástico de Células Precursoras / Leucocitos Tipo de estudio: Estudio de etiología / Guía de Práctica Clínica Límite: Niño / Humanos / Lactante Idioma: Coreano Revista: Clinical Pediatric Hematology-Oncology Año: 2011 Tipo del documento: Artículo