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  • Title: Progressive Multiple Cavernous Angiomas after Radiotherapy in a Pediatric Patient with Medulloblastoma: A Case Report.
    Author: Chai YH, Jung TY, Lee KH, Kim SK.
    Journal: Pediatr Neurosurg; 2015; 50(5):270-4. PubMed ID: 26202334.
    Abstract:
    BACKGROUND: We report a case of progressive multiple cavernous angiomas. PATIENT AND METHOD: A 16-year-old boy presented with a 2-month history of headache and dizziness. Six years earlier, he underwent surgery for cerebellar medulloblastoma and subsequent chemoradiotherapy according to the M-051 protocol of the Korean Society of Pediatric Neuro-Oncology. Follow-up brain magnetic resonance imaging (MRI) revealed a tiny hemorrhage on the cerebellum 3 months after 23.4-Gy craniospinal and 32.4-Gy boost radiotherapy. RESULT: The multiple hemorrhagic lesions had progressively developed on the whole brain without any symptoms for 6 years. On admission, MRI revealed a 1.5-cm enlarged mass with subacute hemorrhage on the right frontal area. The mass was totally removed and diagnosed as cavernous angioma. However, 5 months later, the patient complained of a headache. MRI revealed 1.4- and 0.7-cm enlarged masses on the left frontal and right temporal areas with internal hemorrhage, respectively. The left frontal mass was totally removed, and the histopathological finding was suggestive of cavernous angioma. CONCLUSION: This case showed early-developed multiple hemorrhagic lesions after radiotherapy, which had been progressive and were associated with some symptomatic cavernous angiomas. Pediatric patients with brain radiotherapy should undergo radiological check-up to identify vascular lesions, especially symptomatic patients.
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