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1.
J Neurosurg Pediatr ; 33(6): 516-523, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38552237

RESUMO

OBJECTIVE: Patients who experience postoperative pediatric cerebellar mutism syndrome (CMS) during treatment for medulloblastoma have long-term deficits in neurocognitive functioning; however, the consequences on functional or adaptive outcomes are unknown. The purpose of the present study was to compare adaptive, behavioral, and emotional functioning between survivors with and those without a history of CMS. METHODS: The authors examined outcomes in 45 survivors (15 with CMS and 30 without CMS). Comprehensive neuropsychological evaluations, which included parent-report measures of adaptive, behavioral, and emotional functioning, were completed at a median of 2.90 years following craniospinal irradiation. RESULTS: Adaptive functioning was significantly worse in the CMS group for practical and general adaptive skills compared with the group without CMS. Rates of impairment in practical, conceptual, and general adaptive skills in the CMS group exceeded expected rates in the general population. Despite having lower overall intellectual functioning, working memory, and processing speed, IQ and related cognitive processes were uncorrelated with adaptive outcomes in the CMS group. No significant group differences or increased rates of impairment were observed for behavioral and emotional outcomes. CONCLUSIONS: Survivors with CMS, compared with those without CMS, are rated as having significant deficits in overall or general adaptive functioning, with specific weakness in practical skills several years posttreatment. Findings from this study demonstrate the high risk for ongoing functional deficits despite acute recovery from symptoms of CMS, highlighting the need for intervention to mitigate such risk.


Assuntos
Adaptação Psicológica , Neoplasias Cerebelares , Meduloblastoma , Mutismo , Humanos , Meduloblastoma/cirurgia , Meduloblastoma/radioterapia , Meduloblastoma/psicologia , Meduloblastoma/complicações , Masculino , Feminino , Criança , Mutismo/etiologia , Mutismo/psicologia , Neoplasias Cerebelares/cirurgia , Neoplasias Cerebelares/psicologia , Neoplasias Cerebelares/radioterapia , Neoplasias Cerebelares/complicações , Adolescente , Emoções , Testes Neuropsicológicos , Complicações Pós-Operatórias/psicologia , Complicações Pós-Operatórias/etiologia , Pré-Escolar
2.
Pediatr Neurol ; 132: 4-10, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-35598587

RESUMO

Cerebellar mutism syndrome (CMS), also known as posterior fossa syndrome, occurs in a subset of children after posterior fossa tumor resection, most commonly medulloblastoma. Patients with this syndrome exhibit often transient, although protracted, symptoms of language impairment, emotional lability, cerebellar, and brainstem dysfunction. However, many patients experience persistent neurological deficits and lasting neurocognitive impairment. Historically, research and clinical care were hindered by inconsistent nomenclature, poorly defined diagnostic criteria, and uncertainty surrounding risk factors and etiology. Proposed diagnostic criteria include two major symptoms, language impairment and emotional lability, as proposed by the international Board of the Posterior Fossa Society in their consensus statement as well as other experts in this field. Risk factors most commonly associated with development of CMS include midline tumor location, diagnosis of medulloblastoma and specific tumor subtype, younger age at diagnosis, and preoperative language impairment. A proposed etiology of CMS includes disruption of the cerebellar outflow tracts, the cerebellar nuclei, and their efferent projections through the superior cerebellar peduncle. Treatment for CMS remains supportive. Herein, we present a comprehensive overview of CMS etiology, diagnosis, risk factors, clinical presentation, and clinical management. In addition, we identify essential multidisciplinary research priorities to advance diagnostics, prevention, and intervention efforts for patients with, or at risk for, development of CMS.


Assuntos
Doenças Cerebelares , Neoplasias Cerebelares , Transtornos do Desenvolvimento da Linguagem , Meduloblastoma , Mutismo , Doenças Cerebelares/complicações , Doenças Cerebelares/diagnóstico , Neoplasias Cerebelares/complicações , Criança , Humanos , Meduloblastoma/complicações , Meduloblastoma/diagnóstico , Meduloblastoma/terapia , Mutismo/diagnóstico , Mutismo/etiologia , Mutismo/terapia , Complicações Pós-Operatórias , Pesquisa , Síndrome
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