I don't know if you're still with us, here on PC, but just today I came across these 3 articles, in PsychCentral's archives, on the subject of pedophilia OCD. I thought they might be of interest:

Pedophilia OCD: The Conundrum to Let Go of the Fight

Am I a Monster? Common Features of Pedophilia OCD

Pedophilia OCD: When OCD Targets the Children in Your Life