Evaluation of prophylactic neck dissection in Stage I and II oral squamous cell carcinoma

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  • HIRASHIMA Soichi
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College Department of Dentistry and Oral Surgery, University Hospital of Occupational and Environmental Health
  • YOSHIOKA Izumi
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • HABU Manabu
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • FURUTA Norihiko
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College Department of Oral and Maxillofacial Surgery, Tobata Kyoritsu Hospital
  • KOKURYO Shinya
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • IWANAGA Kenjiro
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • KODAMA Masaaki
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • FUKUDA Jinichi
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College
  • TOMINAGA Kazuhiro
    Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College

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Other Title
  • 口腔扁平上皮癌 Stage I, II 症例に対する予防的頸部郭清の検討
  • 口腔扁平上皮癌Stage1,2症例に対する予防的頸部郭清の検討
  • コウクウ ヘンペイ ジョウヒガン Stage1 2 ショウレイ ニ タイスル ヨボウテキ ケイブカクセイ ノ ケントウ

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The control of neck lymph node metastasis in oral cancer is an important determinant of the prognosis. However, the effectiveness of prophylactic neck dissection has long been debated, without reaching a clear consensus.<br>Although our department performed prophylactic neck dissection before 1995, the use of this procedure has decreased markedly since then. Currently, we perform therapeutic neck dissection in patients with metastasis. Prophylactic neck dissection in the pure sense, excluding procedures involving reconstruction, has not been performedsince April 1997.<br>This study was designed to investigate the effectiveness of prophylactic neck dissection in Stage I and II oral squamous cell carcinoma. Ninety-one patients with primary Stage I and II disease treated in our department between 1992 and 2002 were retrospectively evaluated according to whether they underwent prophylactic neck dissection or not.<br>1. In Stage I, the 5-year cumulative survival rate was 88.9 % in the group that underwent prophylactic neck dissection and 91.4 % in the group that did not.<br>2. In Stage II, the 5-year cumulative survival rate was 93.3 % in the group that underwent prophylactic neck dissection and 86.4 % in the group that did not.<br>3. By closely following up patients and performing therapeutic neck dissection as soon as possible for neck lymph node metastasis, our results suggest that prophylactic neck dissection at initial surgery is not necessarily required in patients with stage I and II oral squamous cell carcinoma.

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