I had a mark on my abdomen that was removed for a biopsy more than 10 years ago as a precaution. The biopsy was negative and the scar that remained was barely noticeable.
Over the last several weeks the scar has become raised and incredibly itchy (not sure which came first but perhaps it's raised because I've been scratching?). It doesn't look like it's increasing in size and it's relatively uniform in shape and color
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.