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EN
Objectives: Treatment of patients with recurrent pleomorphic adenoma of the parotid gland is a challenge for a surgeon due to frequent problems with complete resection of all tumour foci while preserving continuity and function of the facial nerve. The aim of this study was to evaluate the clinical presentation and treatment results of patients with recurrent pleomorphic adenoma of the parotid gland. Materials and Methods: The medical records of 35 patients (25 women and 10 men) operated on (44 operations) for recurrent pleomorphic adenoma between the years 1988 and 2008 at the Otolaryngology Department, Medical University of Warsaw, were reviewed. These patients accounted for 8.9% of all patients treated for pleomorphic adenoma of the parotid gland (N=395). A retrospective analysis was performed to examine clinical features, surgical technique and facial nerve management. Results: All patients had palpable, nontender mass or masses in a parotid bed after 1 to 5 previous operations. Multifocal recurrences were present in 79.5% of cases. Median interval between initial treatment and commencement of recurrences was 6.1 (0.25-29) years. Patients with more than one recurrence were younger than patients who had only one. Malignant transformation of recurrent pleomorphic adenoma was observed in two patients (5.7%). Postoperative facial nerve paresis occurred in 15 cases. In two additional cases eradication of recurrent tumour required the facial nerve resection and reconstruction. Conclusions: Recurrent pleomorphic adenoma occurs more often in younger patients and women. The risk of the facial nerve injury increases with each successive operation. Surgical treatment should be individualized, taking into consideration the extent of the previous surgery and the type of recurrence.
PL
Introduction: Inverted papilloma is benign epidermal neoplasm of not recognized etiology. The lesion is estimated to represent 0.5-4% of sinonasal tumors. Generally inverted papilloma is unilateral, arises from the lateral nasal wall and characterizes with local destruction and rapid growth. The tumor can possibly undergo malignant transformation. The treatment of choice is surgery, recently endoscopic approach is considered to be superior to the open approach. The aim of study: was evaluation of recurrent inverted papilloma treatment results in the experience of Otolaryngology Department, Medical University of Warsaw, from 1982 to 2009. Material: The group of 124 patient (66 men and 58 women) aged from 26 to 79 with inverted papilloma operated between 1982 and 2009 were enrolled in the study. Follow up was from 6 months to 27 years. Results: Most common primary localization of the tumor was combined lateral nasal wall and maxillary sinus (42%). In 37% the lesion involved unilaterally the lateral nasal wall, maxillary sinus and ethmoid sinuses, rarely it was localized only in the lateral nasal wall (16.1%) and exclusively in the nasal septum (4.8%). All the patients were treated surgically, 46% of patients underwent endoscopic procedure, 37.1% lateral rhinotomy, 15% Denker rhinotomy and 1.6% midfacial degloving. Recurrence was observed in 15.3% including 57.9% after endoscopic surgery, 26% after Denker operation and 15.8% after lateral rhinotomy. Malignant transformation was observed in 5 patient (4%). All the patients with recurrent inverted papilloma were treated surgically, 5.3% of patient underwent midfacial degloving, 5.3% Caldwell- Luc operation, 10.5% endoscopic procedure, 26.3% Denker operation and 52.6% lateral rhinotomy. Conclusions: 1. Endonasal and open approach should be considered in the surgical treatment of recurrent inverted papilloma. 2. Endoscopic approach is preferred in the recent years but qualification for each method should depend on lesion localization, extent and volume. 3. Regular follow-up enables early recurrence diagnosis and treatment.
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