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Iranian Journal of Otorhinolaryngology، جلد ۳۸، شماره ۲، صفحات ۱۲۵-۱۳۰
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عنوان انگلیسی Nasoethmoid Ancient Schwannoma with Bilateral Intracranial Extension: A Case Report with Review of the Literature
چکیده انگلیسی مقاله Introduction: Nasoethmoid schwannomas are rare benign tumors of the nasal cavity and paranasal sinuses that arise from local peripheral nerve sheaths. Up to 45% of all schwannomas develop in the head and neck region; however, fewer than 50 cases have been described in the nasoethmoid area in the medical literature. This case underscores the importance of including schwannoma in the differential diagnosis of nasoethmoidal masses with skull-base involvement. Case Report:A 60-year-old female presented with diminished sensitivity to smell for 12 months, swelling near left medial canthus and headache for the past 10 months. Nasal endoscopy revealed a smooth encapsulated mass in the anterior roof of nasal cavity between middle turbinate and septum bilaterally. CT and MRI revealed a smooth mass in the roof of nasal cavity having intracranial extra-axial extension. Biopsy displayed features of schwannoma. Patient underwent excision of tumor via combined approach of endoscopy and bifrontal craniotomy. Post-operative histopathology was consistent with features of schwannoma. Conclusion:Nasoethmoidal schwannoma is a benign neoplasm that infrequently exhibits intracranial extension. To date, there have been 17 documented cases in the literature, and this report presents the 18th reported case overall and 6th bilateral case. Because radiographic results are ambiguous, a histological investigation is required for a precise diagnosis. Bifrontal craniotomy combined with endoscopic transnasal excision is the preferred surgical treatment for tumors that extend into the anterior cranial fossa. Long-term clinical follow-up is critical for detecting future recurrences.
کلیدواژه‌های انگلیسی مقاله ancient schwannoma, Bifrontal craniotomy, Frontoethmoid schwannoma, Nasoethmoid schwannoma with intracranial extension
نویسندگان مقاله | Ditixa Patel
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Nikhil Arora
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Ridhima Malik
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Sanjay Soni
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Harish Taneja
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Ravindra Saran
Department of Pathology, GB Pant Hospital, New Delhi-110002, India.


| Sabareesh Mylswamy
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.


| Divya Singh
Department of ENT & Head-Neck Surgery, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi-110002, India.
نشانی اینترنتی https://ijorl.mums.ac.ir/article_27346.html
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نوع مقاله منتشر شده Case Report
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