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Fig. 2 | Radiation Oncology

Fig. 2

From: Late complications of radiosurgery for cerebral arteriovenous malformations: report of 5 cases of chronic encapsulated intracerebral hematomas and review of the literature

Fig. 2

Case 4. A 21-year-old man presented with seizures related to a left temporal AVM. The lesion was partially treated with embolization. A nidal remnant was further treated with 18 Grays delivered at the periphery of a target volume of 5,3 ml. Two years post SRS an MRI showed mild radiation induced changes. Ten years post SRS, the patient presented with headache and paresthesia. a axial Flair at the time of SRS. Axial Flair (b) and (c) SWI 11 years later show a large cystic lesion with chronic hemorrhage and an enhancing nodular part with surrounding edema. The cyst was evacuated, and the walls partially removed. Histology showed (d) a well-circumscribed vascular lesion with extensive fibrosis (hematoxylin, eosin and saffron, × 40) and (e) post radiation hyalinization of small vessels (hematoxylin, eosin and saffron, × 400)

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Radiation Oncology

ISSN: 1748-717X

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