The male-female ratio was found to be 1:3.2. Results described in the previous paragraph agree with results reported by several authors such as Eveson and Cawson, who in 1985 informed of a study involving 336 tumors.
Todos los tumores benignos fueron adenomas pleomorfos, a excepción de un cistoadenoma papilar, mostrando una marcada predilección por las mujeres con un radio de hombre a mujer de 1:3.2.