The comparison of parotid gland carcinoma and submandibular gland carcinoma―Results of a multi-institutional retrospective study

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  • Yamada Koichiro
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Honda Keigo
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Tanaka Shinzo
    Department of Otolaryngology-Head ＆ Neck Surgery, Japanese Red Cross Osaka Hospital
  • Tamaki Hisanobu
    Department of Otolaryngology-Head ＆ Neck Surgery, Kurashiki Central Hospital
  • Kojima Tsuyoshi
    Department of Otolaryngology, Tenri Hospital
  • Shinohara Shogo
    Department of Otolaryngology-Head ＆ Neck Surgery, Kobe City Medical Center General Hospital
  • Takebayashi Shinji
    Department of Otolaryngology-Head ＆ Neck Surgery, Kobe City Medical Center General Hospital
  • Maetani Toshiki
    Department of Otolaryngology-Head and Neck Surgery, Medical Research Institute, Kitano Hospital
  • Asato Ryo
    Department of Otolaryngology-Head ＆ Neck Surgery, National Hospital Organization Kyoto Medical Center
  • Tateya Ichiro
    Department of Otolaryngology-Head ＆ Neck Surgery, Kyoto University Graduate School of Medicine
  • Kitamura Morimasa
    Department of Otolaryngology-Head ＆ Neck Surgery, Kyoto University Graduate School of Medicine
  • Mizuta Masanobu
    Department of Otolaryngology-Head ＆ Neck Surgery, Kyoto University Graduate School of Medicine
  • Kitani Yoshiharu
    Department of Otorhinolaryngology-Head ＆ Neck surgery, Shizuoka General Hospital
  • Ushiro Koji
    Department of Otolaryngology, Japanese Red Cross Otsu Hospital
  • Ichimaru Kazuyuki
    Department of Otolaryngology-Head ＆ Neck Surgery, Kokura Memorial Hospital
  • Kumabe Yohei
    Department of Otolaryngology-Head ＆ Neck Surgery, Hyogo Prefectural Amagasaki General Medical Center
  • Omori Koichi
    Department of Otolaryngology-Head ＆ Neck Surgery, Kyoto University Graduate School of Medicine

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Other Title
  • 耳下腺癌と顎下腺癌の比較：多施設共同による後方視的研究

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Abstract

Objective: Parotid gland carcinoma （PGC） and submandibular gland carcinoma （SMGC） are relatively rare. The aim of this retrospective study was to compare the clinical outcomes of PGC and SMGC.<br>Patients: Our study included 260 patients （195 with PGC and 65 with SMGC） who underwent initial surgical treatment at Kyoto University and its affiliated hospitals between 2006 and 2015. <br>Results: A total of 44％ of the PGCs and 58％ of the SMGCs were classified as high-grade malignancies. The sensitivity of fine-needle aspiration cytology was 50％ for PGC and 75％ for SMGC. At a mean follow-up time of 3.6 years, the 3-year overall survival, disease-specific survival （DSS）, locoregional control, and no distant metastasis （NDM） rates for PGC were 85％, 89％, 85％, and 87％, respectively, while those for SMGC were 74％, 74％, 90％, and 65％, respectively. Furthermore, the DSS and NDM rates for SMGC were statistically significantly lower than those for PGC. <br>Conclusions: In comparison to PGC, SMGC has a higher risk of distant metastasis and a poorer DSS rate.

Journal

  • Toukeibu Gan

    Toukeibu Gan 44 (1), 39-45, 2018

    Japan Society for Head and Neck Cancer

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