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Abstract Background The sinonasal inverted papilloma is a rare benign tumor, characterized by local aggressiveness, a high rate of recurrence after surgical resection, and the possibility of malignant transformation. The aims of this study are to analyze diagnostic strategy and therapeutic modalities and to evaluate results after surgery. Methods We report a retrospective study, including patients operated for inverted sinonasal papilloma in our department. Preoperatively, all patients were assessed by CT scan (computed tomography), 9 of them by MRI (magnetic resonance imaging). Results The average age of our patients was 52 years with a male predominance. The most common symptom was unilateral nasal obstruction. The endoscopic appearance was suggestive of inverted papilloma (IP) in 75% of cases. Thirty-two patients underwent an exclusive endonasal endoscopic surgery; one patient was operated with a combined approach. Two patients underwent external approaches. A recurrence was observed in 4 patients (11%). Conclusion Preoperative investigation for IP is essentially based on MRI, also required in case of recurrence. Histological examination of the entire tumor is crucial to rule out an associated carcinoma. The “all endoscopic” management is not always achievable for these tumors.

Abstract Background Lymphatic malformations are rare benign tumors that result from congenital and acquired alterations of the lymphatic vessels. They occur most commonly on the head and neck region. The aim of this study is to describe clinical profiles of lymphatic malformations of the head and neck (LMHN) as well as to study therapeutic modalities through our series and review of the literature. Results This is a retrospective record-based descriptive study conducted in the ENT and the Radiology departments over a 17-year period. Our study included twelve patients, aged between 8 months and 52 years. Two swellings were present at birth and had not been prenatally diagnosed in both cases. One patient was affected by TRISOMY 21. All patients consulted for a painless mass of the head or neck. Seven masses were located in the suprahyoid region and five in the infrahyoid region. Ultrasonography, computed tomography (CT), and magnetic resonance imaging (MRI) were realized to establish the diagnosis and assess the extent of the lesions. Surgical excision was performed in 7 patients. It was complete in 6 patients. Five patients were treated with sclerotherapy. The sclerosing agents used were Aetoxisclerol 2%, hypertonic saline, and absolute alcohol. One patient had a reversible paresis of the left mental nerve after surgery. An excellent response to sclerotherapy with complete resolution was obtained in 3 cases with no recurrence of the disease. Conclusions Surgical excision has been the management option of choice for LMHN. The recent advances in sclerotherapy make it safe and effective as a primary treatment modality for these lesions.