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Type: Artigo de periódico
Title: Pilocytic Astrocytoma Following Radiotherapy For Craniopharyngioma: Case Report.
Author: Bonilha, L
Borges, G
Fernandes, Y B
Ramina, R
Carelli, E F
Alvarenga, M
Abstract: Administration of fractionated doses of irradiation is part of the adjutant therapy for CNS tumours such as craniopharyngiomas and pituitary adenomas. It can maximise cure rates or expand symptom-free period. Among the adverse effects of radiotherapy, the induction of a new tumour within the irradiated field has been frequently described. The precise clinical features that correlate irradiation and oncogenesis are not completely defined, but some authors have suggested that tumors are radiation induced when they are histologically different from the treated ones, arise in greater frequency in irradiated patients than among normal population and tend to occur in younger people with an unusual aggressiveness. In this article, we report a case of a papillary astrocytoma arising in a rather unusual latency period following radiotherapy for craniopharyngioma.
Subject: Adult
Cranial Nerve Neoplasms
Dose Fractionation
Neoplasms, Radiation-induced
Neoplasms, Second Primary
Pituitary Neoplasms
Rights: aberto
Identifier DOI: 
Date Issue: 2000
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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