What Causes Skin Or Bone To Grow In Ear?

Hi I had a my ear canal getting blocked, then i had got it operated to remove later after 10 days it has re occurred. Doctor operated again after 13th day. Even afatre 2nd surgery the skin/done is growing at ear canal and this time doctor sent the sample for Biopsy test
Test results are yet to come. I am worried what is it happening? Could you help.