A clinical analysis on the prevalence of malignancies in the region of ear, nose and throat based on 1721 cases treated in hospital

Objective To investigate the prevalence of malignancies in the region of ear, nose and throat in Chongqing district. Methods A retrospective study was carried out based on a group of cases of 1721 treated in our hospital from 1980 to 2002, all of them being diagnosed on the basis of histopathology. Results Among the 1721 cases, 698 were seen with malignant tumors in pharynx, 571 with malignant lesion in larynx, 246 with this lesion in esophagus, 171 with it in nasal region, and 31 with malignancies in aural region. Here, the frequency of malignancy distributing was the highest in pharynx and the lowest in aural region. Conclusion The incidence of this kind of malignancies holds a sex ratio of 6. 3 : 1 between males and females and a most prevalent tendency of age among middle aged and elder people from 41-61 years old. In this population, malignancies in larynx and esophagus are especially commonly seen in clinic in Chongqing district.