Researcher:
Baştan, Birgül

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Doctor

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Birgül

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Baştan

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Baştan, Birgül

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20191

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    Isolated hypoglossal nerve palsy due to a jugular foramen schwannoma
    (Literatura Medica, 2019) Egemen, Emrah; Solaroğlu, İhsan; N/A; Çakmak, Özgür Öztop; Vanlı-Yavuz, Ebru Nur; Aygün, Murat Serhat; Baştan, Birgül; Özdemir, Yasemin Gürsoy; Faculty Member; Doctor; Teaching Faculty; Doctor; Faculty Member; School of Medicine; N/A; School of Medicine; N/A; School of Medicine; Koç University Hospital; Koç University Hospital; Koç University Hospital; Koç University Hospital; Koç University Hospital; 299358; N/A; 291692; N/A; 170592
    Introduction - Although the involvement of the hypoglossal nerve together with other cranial nerves is common in several pathological conditions of the brain, particularly the brainstem, isolated hypoglossal nerve palsy is a rare condition and a diagnostic challenge. Case presentation - The presented patient arrived to the hospital with a history of slurred speech and an uncomfortable sensation on his tongue. Neurological examination showed left-sided hemiatrophy of the tongue with fasciculations and deviation towards the left side during protrusion. Based on the clinical and MRI findings, a diagnosis of hypoglossal nerve schwannoma was made. Discussion - Hypoglossal nerve palsy may arise from multiple causes such as trauma, infections, neoplasms, and endocrine, autoimmune and vascular pathologies. In our case, the isolated involvement of the hypoglossal nerve was at the skull base segment, where the damage to the hypoglossal nerve may occur mostly due to metastasis, nasopharyngeal carcinomas, nerve sheath tumors and glomus tumors. Conclusion - Because of the complexity of the region's anatomy, the patient diagnosed with hypoglossal nerve schwannoma was referred for gamma knife radiosurgery.