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[A radiological case of sinusology: a schwannoma localized in the sinuses]

Abstract : INTRODUCTION: In daily practice, the otorhinolaryngologist may face cases of facial tumors of sinonasal origin. Their diagnosis remains difficult based on clinical findings alone. Therefore, imaging techniques can guide the surgeon toward the correct diagnosis. METHODS: A 14-year-old male presented with a history of headaches and nasal obstruction. Physical examination revealed a mass in the right nasal fossa. RESULTS: A computed tomography scan showed an isodense lesion in the posterior half of the right nasal fossa, extending into the maxillary sinus, orbital floor, pterygopalatine fossa, and infratemporal fossa. Magnetic resonance imaging showed great enhancement upon gadolinium administration. The diagnosis of schwannoma was suggested after angiography was performed. The tumor was then resected via a transfacial approach with maxillozygomatic osteotomy. Pathologic examination confirmed the diagnosis of schwannoma. CONCLUSION: The definite diagnosis of a sinonasal tumor can be confirmed only histologically. However, preoperative radiological data can direct the surgeon toward the correct diagnosis and above all the most appropriate surgical approach.
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Submitted on : Wednesday, October 22, 2008 - 4:51:17 PM
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Alexandre A. Karkas, Christian A. Righini, Emile P. Reyt. [A radiological case of sinusology: a schwannoma localized in the sinuses]. Annales d'oto-laryngologie et de chirurgie cervico faciale : bulletin de la Société d'oto-laryngologie des hôpitaux de Paris, 2007, 124 (5), pp.239-43. ⟨10.1016/j.aorl.2007.03.008⟩. ⟨inserm-00333213⟩



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