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ANALYTICAL REPORT
Year : 2012  |  Volume : 8  |  Issue : 1  |  Page : 151-153

Obesity as the initial manifestation of central nervous system relapse of acute lymphoblastic leukemia: Case report and literature review


Department of Paediatric, The First Affiliated Hospital of Sun Yat-Sen University, Zhongshan Er Lu, Guangzhou, China

Correspondence Address:
Xue-Qun Luo
Department of Paediatric, The First Affiliated Hospital of Sun Yat-Sen University, Zhongshan Er Lu, Guangzhou 510080
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.95200

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A 6-year-old boy with acute lymphoblastic leukemia in remission experienced hyperphagia, obesity, and emotional disorders. Cytomorphologic examination of cerebral spinal fluid (CSF) and cranial MRI did not help in differentiating between central nervous system leukemia (CNSL) and other CNS diseases including tuberculosis in this boy. Flow cytometric CSF analysis on repeated lumber puncture detected lymphoblasts, while microscopic CSF examination did not definitively show relapse disease. The diagnosis of CNSL was thus made and confirmed by the response to leukemia treatment. Obesity can be the first manifestation of CNSL and the diagnosis can be challenging. A combination of CSF cytomorphology, CSF flow cytometry, and cranial MRI can be useful in the diagnosis of the disease. Two mechanisms of CNSL-related obesity are discussed based on the literature review.


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