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Michelle Miranda Pereira, Debora Maria Befi-Lopes, Aparecido José Couto Soares, Fernanda Chiarion Sassi, Claudia Regina Furquim de Andrade School of Medicine, University of São Paulo, São Paulo, BrazilCorrespondence: Aparecido José Couto SoaresSchool of Medicine, University of São Paulo, Cipotânea Street, 51 – Cidade Universitária – São Paulo, BrazilTel +55 11 3091-7455Email ajcsoares@usp.brBackground: Acute lymphoid leukemia (ALL) is the most prevalent cancer of childhood. Impairment in linguistic and memory skills is a possible late sequela in cancer survivors that can limit their quality of life and the overall performance of the individual in society. There is evidence that survivors of ALL treated exclusively with chemotherapy demonstrate significant differences in long-term linguistic and memory functions and also changes in neuroanatomical integrity. However, most studies described do not count on a speech-language pathologist in their team, which we consider important to discuss. Thus, the objective of the present study was to assess memory and vocabulary skills in the pediatric population diagnosed with acute lymphoid leukemia during chemotherapy treatment.Materials and Methods: An observational cohort study was conducted over a 1.8-year period. Participants of this research were children diagnosed with ALL. All participants were assessed on their linguistic-cognitive skills (ie, vocabulary, short-term memory and lexical access). All data underwent statistical analyses.Results: The results of the current study found no major significant difference in the linguistic-cognitive performance of children with ALL and their healthy controls. Regarding the linguistic variables, we believe that there should be a differentiation between the effects of the drugs and the effects of social communication skills on performance.Conclusion: This first characterization of the linguistic-cognitive abilities of children with ALL did not identify differences between these children and their healthy peers, although we were able to identify variables regarding the multidisciplinary team and social communication that should be considered in future studies.Keywords: interdisciplinary research, leukemia, children, language