INCIDENCE AND PREDISPOSING FACTORS OF CANCER OF THE UPPER AERODIGESTIVE TRACT IN MUZAFFARNAGAR, UTTAR-PRADESH (A CLINICOPATHOLOGICAL STUDY)

A clinicopathology study of upper aero digestive tract cancers was conducted on patients, attending the department of Otorhinolaryngology & Head and Neck Surgery of Muzaffarnagar Medical College and Hospital from June 2016 to January 2017. Around 92 patients with cancers of upper aero digestive tract were examined during this time period,the youngest being 6 yr old and the eldest 80 yr old. The squamous cell carcinoma was the commonest histological type accounting for 73% of the cases and the sinonasal tract was the commonest site affected(22%),followed by larynx(19.5%),hypopharynx along with cricopharynx(18%),nasopharynx(14%), oropharynx(10%),salivary glands(9%), and oral cavity(7.5%). Most of the tumors are diagnosed in late T3/T4 stage except for glottic variety of laryngeal carcinomas most of which are usually diagnosed early in T1/T2 stage. The clinical features varied with the site of involvement.