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  • Title: Recurrent pleomorphic adenoma of the parotid gland.
    Author: Leonetti JP, Marzo SJ, Petruzzelli GJ, Herr B.
    Journal: Otolaryngol Head Neck Surg; 2005 Sep; 133(3):319-22. PubMed ID: 16143173.
    Abstract:
    OBJECTIVES: To assess the long-term results in the management of 42 patients with recurrent pleomorphic adenoma of the parotid gland. STUDY DESIGN: A retrospective analysis of 42 patients who underwent parotidectomy for recurrent pleomorphic adenoma was performed to study presenting clinicoradiographic features, surgical technique, facial nerve management, and the long-term risk of recurrence. RESULTS: All 42 patients had multi-focal, nontender recurrent nodules following one to four prior surgical procedures and 6 patients underwent prior radiotherapy. Surgical procedures included subtotal parotidectomy in 12 patients, total parotidectomy in 18 patients, parotidectomy with facial nerve resection in 7 cases, and subtotal petrosectomy with facial nerve resection in 5 individuals. The 2 patients with malignant transformation died of disseminated lung and bone metastasis. Twenty-nine of the remaining 40 patients had no recurrent disease. Seven patients developed local parotid bed or cutaneous recurrent disease, 2 patients died of unrelated causes, and 2 patients were lost to follow-up. CONCLUSIONS: All 7 patients with recurrent disease underwent subtotal parotidectomy with "negative" surgical margins. Total parotidectomy or subtotal petrosectomy with facial nerve resection in selected cases may reduce the risk of multiple episodes of pleomorphic adenoma recurrence. Two of 42 patients were found to have carcinoma ex-pleomorphic adenoma, both of these patients underwent prior radiotherapy, and both died of metastatic disease.
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