Scale for assessing quality of life of children survivors of cranial posterior fossa tumors

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Abstract
Background Evaluation of quality of life of survivors of brain tumors is an important aspect of outcome that must be included in clinical studies. Methods We have developed a new scale for assessing quality of life (QL) of pediatric long-term survivors of posterior fossa tumors based on their physical, psychointellectual, and endocrine/growth status. We have studied 39 patients, with a median follow-up of 9 years. Twenty-five had cerebellar astrocytoma (CA), 6 medulloblastoma (MDB), 5 brain-stem glioma (BSG) and 3 ependymoma of IV ventricle (EPD). Results Sixty-six percent of children showed neurologic and/or visual sequelae. Little or no significant disability (Bloom's levels I–II) were present in 66%. Psychointellectual dysfunction was present in 44%, with an IQ < 90 in 39%. Endocrine and growth disorders were found in 26%, mostly stature anomalies. According to our scale, QL scores were high in 19 patients (49%), intermediate in 8 (20%), and low in the remaining 12 (31%). Unfavourable outcomes were related to age of less than 4 years, tumors other than CA (MDB, BSG, EPD), incomplete tumoral resection, and employment of radiotherapy and chemotherapy.