The Surgical Procedure for Warthin's Tumor in the Parotid Tumor

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  • Iwai Hiroshi
    Department of Otolaryngology, Rakusai New Town Hospital, Kansai Medical University
  • Yamashita Toshio
    Department of Otolaryngology, Kansai Medical University

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  • 耳下腺ワルチン腫ようの手術法
  • ジカセン ワルチン シュヨウ ノ シュジュツホウ

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Abstract

Warthin's tumor is benign and exclusively involves the parotid gland but may, however, often show multifocal and/or bilateral growth. The aim of this study was to evaluate the surgical procedure for removal of this tumor. Sixty patients with Warthin's tumor in the parotid gland who presented at the Kansai Medical University Hospital from 1990 to 1999 were the subjects of the present study.<BR>The surgical procedures were as follows. We performed enucleation for tumors in the deep lobe. Tumors in the superficial lobe were resected with partial parotidectomy, and an enucleative procedure was also performed at the bottom of the tumor where the tumor capsule directly touched the facial nerve. No recurrence was observed in all sixty cases including cases of rupture of the capsule before or during surgery. Therefore, we recommend that enucleation is a useful choice as a surgical procedure for the removal of Warthin's tumor after accurate detection of the tumors using MRI.<BR>The overall incidences of temporary and permanent facial nerve palsy were 19.7% and 0%, respectively. The incdence of palsy increased after surgery for multiple tumors or deep lobe tumors. These findings indicate that more careful consideration for preservation of the facial nerve should be given in such cases and that simultaneous surgery for such tumors in the bilateral parotid glands should be avoided to prevent bilateral facial nerve palsy.

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