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I discovered my sinus opening when I was about 12. Didn't have a first flare-up until I was around 27. I finally had excision surgery (open healing) at 38 and healed perfectly. I started this website during my healing as I was gathering information about the role of nutrition and wound healing. It seemed a shame that the things I found weren't all put together in a single place for other patients to learn from...and so I started Pilonidal.org as a repository of information about treatments, causes, and aftercare.