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Treatment Option Overview for Childhood ALL

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    Sanctuary Sites

    Central nervous system (CNS)

    Successful treatment of children with ALL requires the control of systemic disease (e.g., marrow, liver and spleen, lymph nodes), as well as the prevention or treatment of extramedullary disease, particularly in the CNS. Approximately 3% of patients have detectable CNS involvement by conventional criteria at diagnosis (cerebrospinal fluid specimen with ≥5 WBC/μL with lymphoblasts and/or the presence of cranial nerve palsies). However, unless specific therapy is directed toward the CNS, the majority of children will eventually develop overt CNS leukemia. (Refer to the CNS-Directed Therapy for Childhood Acute Lymphoblastic Leukemia section of this summary for more information.)

    Testes

    Overt testicular involvement at the time of diagnosis occurs in approximately 2% of males. In early ALL trials, testicular involvement at diagnosis was an adverse prognostic factor. With more aggressive initial therapy, however, the prognostic significance of initial testicular involvement is unclear.[4,5] The role of radiation therapy for testicular involvement is also unclear. A study from St. Jude Children's Research Hospital suggests that a good outcome can be achieved with aggressive conventional chemotherapy without radiation.[4] The Children's Oncology Group has also adopted this strategy for boys with testicular involvement that resolves completely during induction chemotherapy.

    References:

    1. Corrigan JJ, Feig SA; American Academy of Pediatrics.: Guidelines for pediatric cancer centers. Pediatrics 113 (6): 1833-5, 2004.
    2. Rubnitz JE, Lensing S, Zhou Y, et al.: Death during induction therapy and first remission of acute leukemia in childhood: the St. Jude experience. Cancer 101 (7): 1677-84, 2004.
    3. Christensen MS, Heyman M, Möttönen M, et al.: Treatment-related death in childhood acute lymphoblastic leukaemia in the Nordic countries: 1992-2001. Br J Haematol 131 (1): 50-8, 2005.
    4. Hijiya N, Liu W, Sandlund JT, et al.: Overt testicular disease at diagnosis of childhood acute lymphoblastic leukemia: lack of therapeutic role of local irradiation. Leukemia 19 (8): 1399-403, 2005.
    5. Sirvent N, Suciu S, Bertrand Y, et al.: Overt testicular disease (OTD) at diagnosis is not associated with a poor prognosis in childhood acute lymphoblastic leukemia: results of the EORTC CLG Study 58881. Pediatr Blood Cancer 49 (3): 344-8, 2007.

    WebMD Public Information from the National Cancer Institute

    Last Updated: February 25, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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