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  • Title: Vestibular schwannoma with repeated intratumoral hemorrhage.
    Author: Takeuchi S, Nawashiro H, Otani N, Sakakibara F, Nagatani K, Wada K, Osada H, Shima K.
    Journal: J Clin Neurosci; 2012 Sep; 19(9):1305-7. PubMed ID: 22721896.
    Abstract:
    Repeated hemorrhage from a vestibular schwannoma is very rare. We report a 15-year-old male, to our knowledge the fourth known patient with repeated hemorrhage of vestibular schwannoma, who presented with rapidly progressive right-sided hearing loss and tinnitus. MRI showed a mass lesion in the right cerebellopontine angle. T1-weighted and T2-weighted MRI revealed a hyperintense intratumoral area, indicating subacute hemorrhage within the tumor. Nine weeks after the initial onset, the patient again presented with a sudden onset headache, nausea, and ataxia. A CT scan showed recurrence of an intratumoral hemorrhage. A subtotal resection was achieved. A histopathological examination of the resected specimen showed typical features of schwannoma. We review the pertinent literature and discuss the features of repeated hemorrhage from a vestibular schwannoma.
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