Clincal Study of Laryngeal Cancer at the University of Tokushima

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  • 徳島大学喉頭癌症例の臨床統計的検討
  • トクシマ ダイガク コウトウガン ショウレイ ノ リンショウ トウケイテキ ケントウ

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Abstract

One hundred and ten patients with laryngeal cancer who were treated at Tokushima University Hospital during the 9 years between January 1989 and December 1997 were studied clinically. The mean age of patients was 66.2 years, and the male to female ratio was approximately 11: 1. The 110 patients included 60 (54.5%) with glottic cancer,49 (44.5%) with supraglottic cancer, and 1 (1.0%) with subglottic cancer. Accord1ing to the 1987 UICC TNM classification system,2 cases (1.8%) were in stage 0,34 (30.9%) were in stage I,24 (21.8%) were in stage II,23 (20.9%) were in stage III, and 27 (24.6%) were in stage IV. The five-year survival rate was 69.4% for all cases with laryngeal cancer (stage 0,100.0%; stage I,90.6%; stage II,65.7%; stage III,66.3%; and stage IV,45.6%),74.3% for cases with glottic cancer (stage 0,100.0%; stage I,94.1%; stage II,41.7%; stage III,66.7%; and stage IV,44.4%), and 62.1% for cases with supraglottic cancer (stage I,66.7%; stage II,85.7%; stage III,66.7%; and stage IV,44.5%). For the case with subglottic cancer, the five-year survival rate was 100.0%.

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