CYSTIC DELAYED CEREBRAL RADIONECROSIS

Two cases of delayed cerebral radionecrosis with cystic presentation a re reported. The patients had received radiation therapy for a cutaneo us tumor 16 and 12 years before. Surgical extirpation of the cerebral lesion permitted to confirm the diagnosis and to treat the patients wi th success. A cystic aspect has been reported rarely in the neuroradio logic descriptions of the cerebral radionecrosis in the literature. It s mechanism is discussed. The treatment of the delayed cerebral radion ecrosis is not clearly established, but a cystic presentation is an ar gument for surgery.