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  • Title: [Central nervous system involvement at diagnosis and at relapse in children with neuroblastoma].
    Author: Wieczorek A, Balwierz W, Wyrobek Ł, Garus K, Kwiatkowski S, Kwiecińska K, Walicka-Soja K.
    Journal: Przegl Lek; 2010; 67(6):399-403. PubMed ID: 21344769.
    Abstract:
    Central nervous system (CNS) involvement in the course of neuroblastoma (NBL) in children is relatively rare. However, it seems to become serious clinical problem in the group of patients from high risk group. They presently achieve longer time of survival caused by employment of more intensive treatment modalities. The aim of the study was clinical evaluation of the patients over 1 year of age with stage 4 NBL with CNS involvement, both at diagnosis and at relapse. From 1997 to 2007, 117 patients (age 0.2-13.5 years) started NBL treatment. In 58 children over 1 year, stage 4 of disease was diagnosed. In 4 (6.9%) cases the CNS involvement was found at diagnosis. In 5 patients (8.6%) the isolated relapse in brain was diagnosed. The clinical symptoms caused by increased intracranial pressure were observed in all patients at relapse. In the case of initial involvement no neurological symptoms were observed. All 5 children with CNS involvement as isolated relapse did not present with infiltration of skull bones, whereas at initial diagnosis the brain lesions were continuous with bone metastases. Among 5 patients with isolated relapse 4 died because of NBL progression. Among 4 children with initial CNS involvement 1 died due to haemorrhage to CNS. Probably brain involvement at initial NBL diagnosis is not an additional negative prognostic factor. Because of extremely poor prognosis in patients with CNS relapse it should be advised to consider possible implementation of preventive treatment. It is also necessary to invent new more effective treatment methods.
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