Second, primary tumours in patients with mouth cancer

Over the last decades, technical-scientific advances of oncology have brought about an increased survival rate for cancer patients. As a result, oncologists have detected an increased number of patients presenting with other neoplasms. This research aimed to analyze factors related to demography and to the anatomic site in patients having a FPT of the mouth who developed a SPT. Medical charts of 848 patients neoplasm admitted for treatment at the Head and Neck Surgery Department of the Hospital do Cancer, Antonio Candido Camargo, Brazil, from January of 1984 to December, were analysed. of these, 12 6 developed a SPT. 49.21 % were from 51 to 65 years of age, while 83.33% were of the male gender and Caucasian. Regarding FPT site 38.89% were of the tongue, and 28.5% were of the floor of the mouth. The esophagus, excepting skin (13.49%), was more often subject to SPT (11.9%), of these 74.6% were metachronic, 15.87% simultaneous and 9.52% synchronous.