"While there have been priests who were pedophiles, the overwhelming majority of cases involved a disorder called ephebophilia, a term that refers to sexual attraction to minors who have arrived at puberty ... But we shouldn't give a false emphasis to the clinical term ephebophilia, because it masks the real nature of what is occurring: priestly homosexual activity with under-aged males ... 

The overwhelming majority of the priests involved in these incidents are accused of sexual molestation of adolescent males, not females. This means that nature of the scandal is homosexual ...

A handful of pedophiliac priests and a much greater number of other priests, almost exclusively homosexuals, engaged in varying degrees of inappropriate contact with minors, up to and including coercive sex (rape)."

http://www.catholic.com/magazine/articles/qa-understanding-the-priest-scandal