Minimal margin surgery for Warthin tumor of the parotid gland

DOI
  • Nakatani Hiroaki
    Department of Otolaryngology, Head and Neck Surgery National Hospital Organization Fukuyama Medical Center
  • Takeuchi Kaoru
    Department of Otolaryngology, Head and Neck Surgery National Hospital Organization Fukuyama Medical Center
  • Fukushima Kei
    Department of Otolaryngology, Head and Neck Surgery National Hospital Organization Fukuyama Medical Center

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Other Title
  • 耳下腺ワルチン腫瘍に対する縮小手術

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We have been performing extracapsular dissection （ECD） on patients with Warthin tumor since 2018 and report the results here. ECD was performed on 9 untreated patients with 11 tumors, including 4 deep lobe tumors. All patients were operated under facial nerve monitoring. We planned to remove the tumor with a small cuff of normal parotid parenchyma all around the tumor capsule after meticulous dissection of the superficial lobe, but most tumors were removed with partially attached parotid tissue due to exposure out of the parotid gland or contact with the facial nerve. The removal methods for all deep lobe tumors became extracapsular enucleation. Although operation time was not as short as in previous reports because the tumors in this study were relatively large and included deep lobe tumors, the surgery was performed without complications. The use of intraoperative facial nerve monitoring may expand the indications for ECD.

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