Resumo

PEREZ-ESPEJO, M.A. et al. Usefulness of hyperbaric oxygen in the treatment of radionecrosis and symptomatic brain edema after LINAC radiosurgery. Neurocirugía [online]. 2009, vol.20, n.5, pp.449-453. ISSN 1130-1473.

Radionecrosis with brain edema is a complication of radiosurgery. Three female patients harbouring a frontal pole, petrous and parasagital parietoocipital meningiomas respectively who had been treated with LINAC radiosurgery are presented. Those patients developed, between two and eight months later, a severe symptomatic radionecrosis with a huge brain edema resistant to the usual steroid therapy. Only after 40 sessions of hyperbaric oxygen, a good remission of the lesions was obtained. There are few cases reported in the literature with such a good outcome. Consequentely, this therapy must be taken into account to treat this type of radiosurgical complication before considering surgery.

Palavras-chave : Radiosurgery; Radionecrosis; Hyperbaric oxygen; Brain edema; LINAC.

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