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Pediatric chronic myeloid leukemia: A single-center experience

 Department of Medical and Pediatric Oncology, Gujarat Cancer Research Institute, Ahmedabad, Gujarat, India

Correspondence Address:
Irappa Madabhavi,
Department of Medical and Pediatric Oncology, Gujarat Cancer Research Institute, Ahmedabad, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcrt.JCRT_833_15

Background: The rationale of this study is to reveal the statistics of pediatric chronic myeloid leukemia (CML) patients. Subjects and Methods: It is a retrospective analysis conducted to assess pediatric CML data from January 1998 to December 2014. There are 65 (3.2%) pediatric CML patients out of entire 2008 patients of CML. Data were analyzed regarding epidemiological characteristics, clinical presentations, response and side effects of imatinib, event-free survival, and overall survival of the pediatric CML patients. Results: The median age of diagnosis was 11.84 years, and 76.9% patients were male and 23.07% patients were female. Sixty (92.3%) patients were in CML-chronic phase, 3 (4.6%) patients in CML-accelerated phase, and 2 (3.07%) patients in CML-blastic crisis. Most common initial symptoms and signs are weakness (60.0%), abdominal pain (55.38%), splenomegaly (100%), and hepatomegaly (86.5%). 67.3% of patients have white blood counts <100 × 109/L and 92.3% had platelets >150 × 109/L. In the initial months of 2002, imatinib was available and utilized in 54 patients. Of 54 patients, complete hematological response at 3 months, partial cytogenetic response at 6 months, complete cytogenetic response at 12 months, and major molecular response (MMR) at 18 months were 77.77%, 59.2%, 48.14%, and 40.74%, respectively. MMR at 36 months was 62.96% (n = 34). Most common imatinib-related side effects are gastrointestinal upset and myelosuppression. Conclusion: Pediatric CML in India is comparable with Western countries regarding epidemiological characteristic, clinical presentations, and tolerance of imatinib. As there is a paucity of universal literature regarding pediatric CML (especially data from Southeast Asian region), this article may fill up that space.

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    -  Madabhavi I
    -  Patel A
    -  Modi G
    -  Anand A
    -  Panchal H
    -  Parikh S
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