Neuropsychological Function in Patients with Nasopharyngeal Carcinoma after Radiotherapy

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Abstract
A neuropsychological test battery was administered to 27 adult patients with nasopharyngeal carcinoma (NPC) who had received radiotherapy, 28 adult patients with NPC awaiting radiotherapy, and 35 normal adult controls. The 27 patients with radiotherapy had a conventional dosage, 220 cGy per fraction, or less. The median interval between the completion of radiotherapy and the evaluation of neuropsychological function was 1.7 years. Groups were matched for age and educational level. The results showed that our NPC group with radiotherapy had neuropsychological impairments in the areas of auditory attention/concentration, immediate and delayed verbal recall and immediate visual recall, and recent memory, higher-order visuospatial abilities, and bimanual dexterity. Thus neuropsychological dysfunction may occur in patients with NPC within the first 2 years after radiotherapy.

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