Vol.101 No.11 contentsPRACTICA OTO-RHINO-LARYNGOLOGICA
Vol. 101 No. 11 November 2008
Clinical Study of Cases of Laryngeal Cancer
Kazuya Otsu, Atsushi Yuta, Satoshi Nakamura,
Hajime Ishinaga, Kazuhiko Takeuchi and Yuichi Majima
(Mie University Graduate School of Medicine)
A retrospective clinical study was
conducted involving 143 patients with laryngeal cancer treated in our department
between 1998 and 2006. The subjects consisted of 138 males and 5 females, with a
ratio of 28:1. The mean age was 68.1 years old. The subsite of origin comprised
78 (54.5％) in the glottis, 61 (42.7％) in the supraglottis, and 4
(2.8％) in the subglottis. The clinical stage according to the 1997 UICC
TMN classification system was I in 53 cases (37.1％), II in 34 (23.8％),
III in 20 (14.0％), and IV in 36 (25.2％). The 5-year overall
survival rate was 71.2％ in the total cases, 84.4％ in stage I, 89.6％
in stage II, 51.2％ in stage III, and 38.9％ in stage IV. The
disease-specific 5-year survival rate was 88.3％ in the total cases, 75.5％
in the supraglottic type, 98.1％ in the glottic type, and 100％ in
the subglottic type. The preservation rate of the larynx at 5 years was 83.3％
in T1, 56.5％ in T2, and 0％ in T3 and T4.
Key words :clinical study, laryngeal cancer, five-year survival rate