Hi,
Since your nail condition has not been given proper diagnosis ,you may discuss with your physician a
nail biopsy.
Nail biopsy is done to determine the cause of the condition. Based
on the results of the biopsy, your physician may opt for nail surgery as a method of treatment.
For patient who underwent nail surgery indications include chronic infections like fungal infections , nail tumors (which I believe is not applicable in your case) and in some trauma and unknown causes. (http://www.