[Second primary tumors in patients with laryngeal neoplasms]. / Segundos tumores primarios en pacientes con nèoplasia laríngea.

ABSTRACT

A cohort epidemiologic study of second primary tumours appeared in patients diagnosed of laryngeal neoplasms, between years 1988 and 1990, and a follow-up term of 5 years, is presented. An statistical analysis of several data to define a possible high risk group for developing primary tumours was performed for all patients.