I have a small sore that starts out itchy and becomes scabbed over. It is really quite tender. It lasts about a week or two but comes back a couple weeks or a month later. Sometimes the base of my clitoris get a pimple like bump on it as well and sometimes scabs as well. This started some time ago. I am 39 years old, in a monogamous relationship, and have no history of sexual disease. I have even been tested some time back. I do sometimes tan in the nude in a tanning bed and was wondering if it could be skin cancer. I don't tan often maybe get a 10 visit package and don't always tan in the nude so there really is not alot of exposure.