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  • Title: Giant cranionasal schwannoma.
    Author: Zheng K, Jiang S, Xu JG, Mao BY.
    Journal: J Clin Neurosci; 2010 Apr; 17(4):520-2. PubMed ID: 20117002.
    Abstract:
    Giant schwannomas concomitantly involving the intracranial and nasal cavities are rare. We report a 22-year-old male patient with a giant schwannoma involving the frontal skull base and extending into the nasal cavity. The patient had a 2-year history of nasal obstruction that was originally misdiagnosed as nasal polyps. A CT scan and an MRI revealed a large cranionasal tumor. Surgery was performed using a coronal incision with a bilateral frontal skull base extradural approach. The tumor originated from the anterior skull base and the dura and nasal mucosa were intact. Histopathology was consistent with a schwannoma. Schwannoma should be listed as part of the differential diagnosis of a cranionasal tumor and the surgical approach should be carefully selected to achieve total resection.
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