Epidemiologia raka krtani i gardła dolnego w latach 1988-2012 w materiale Kliniki Otolaryngologii Uniwersytetu Medycznego w Białymstoku

In the study group the proportion of men was 91.3% and women 8.7%. Histopathological verification confirmed squamous cell carcinomas in 99%. The primary tumour was most often located in the supraglottic area of the larynx (48.0%) and its clinical stage was T3 (33.5%). T1 tumours were statistically significantly more frequently found in the glottis and T4 tumours - in the hypopharynx and in the transglottic area. Swollen lymph nodes in the neck were found in 52.4% of the patients, most often N2 (37.4%). The highest percentage of patients with lymph node reaction was found in the youngest group (76.6%) and the lowest - in the eldest group (30.0%). Swollen lymph nodes were statistically relevantly more frequent in patients with supraglottic or hypopharynx tumour.