 [ Symptoms ] what is atropic with marked cortical thinning mean [ Disease ] hi you mean your perineum well if i was you i would get hold of some sea salt put a couple of handfuls in a nice warm bath this will help to heal and clean you splittear just sit in the bath and let it do its work twice a day would be best this way it should heal better remember its not what you put in your body think positive do hope this helps you good luck