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Auricular complications following temporal bone resection for temporal bone malignancies: a clinical consideration
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  • Noritaka Komune,
  • Satoshi Matsuo,
  • Ryo Shimamoto,
  • Kou Ikemura,
  • Joe Iwanaga,
  • Emi Nishimura,
  • Mayu Miyazaki,
  • Chikafumi Oryoji,
  • Shogo Masuda,
  • Takahiro Hongo,
  • Kensuke Koike,
  • Kuniaki Sato,
  • Ryutaro Uchi,
  • Masaru Miyazaki,
  • Nana Akagi Tsuchihashi,
  • Teppei Noda,
  • Ryunosuke Kogo,
  • Sei Yoshida,
  • Hideki Kadota,
  • Takashi Nakagawa
Noritaka Komune
Kyushu University Hospital

Corresponding Author:[email protected]

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Satoshi Matsuo
Hamanomachi Hospital
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Ryo Shimamoto
Kyushu University Hospital
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Kou Ikemura
Kyushu University Hospital
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Joe Iwanaga
Tulane University School of Medicine
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Emi Nishimura
Kyushu University Hospital
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Mayu Miyazaki
Kyushu University Hospital
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Chikafumi Oryoji
Kyushu University Hospital
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Shogo Masuda
Kyushu University Hospital
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Takahiro Hongo
Kyushu University Hospital
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Kensuke Koike
Kyushu University Hospital
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Kuniaki Sato
Kyushu University Hospital
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Ryutaro Uchi
Kyushu University Hospital
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Masaru Miyazaki
Fukuoka University Hospital
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Nana Akagi Tsuchihashi
Kyushu University Hospital
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Teppei Noda
Kyushu University Hospital
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Ryunosuke Kogo
Kyushu University Hospital
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Sei Yoshida
Kyushu University Hospital
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Hideki Kadota
Kyushu University Hospital
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Takashi Nakagawa
Kyushu University
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Abstract

Abstract: Objective: Sacrificing the auricle has severe postoperative impacts on patients with temporal bone malignancy who have undergone en bloc temporal bone resection. The auricular complications following en bloc temporal bone resection remain unclear. Therefore, this study aimed to examine auricular complications following en bloc temporal bone resection and reveal the associated risk factors. Study Design: Case series with chart review. Setting: Single tertiary care medical center Participants: Our study includes all cases who underwent en bloc temporal bone resection with preserved auricle for temporal bone malignancy from January 1993 to July 2020. The resulting dataset contained 64 patients during the review period. Main outcome measures: We examined the relationship of auricular complications with surgical procedures and patient profiles. Results: Three of 64 cases (4.7%) showed postoperative auricular complication. The cause in all three cases was venous congestion. Postoperative bloodletting to relieve the congestion effectively salvaged the auricle in two of these cases. Insufficient bloodletting to relieve the auricular congestion in the remaining case led to auricular necrosis. Pre-/infra-auricular lymph node dissection is correlated with auricular complications with statistical significance. Conclusions: Temporal bone resection causes auricular congestion due to vascular insufficiency, particularly insufficient venous outflow. An immediate and continuous application of bloodletting can improve venous drainage after temporal bone resection to prevent auricle necrosis.