Is it possible to cut out a lump of scar tissue?

This can be improved with lasers and fillers. I suggest seeing a scarring expert.  This is a pretty good result for what you had, although it can be improved if it bothers you.  It may take a series of treatments.  Best, Dr. Emer.

Yes! All forms of ear piercing cans be closed surgically. Holes pierced through cartilage and even large holes through earlobes can be closed surgically. Choose a board certified plastic surgeon.

The treatment of Keloid scars can sometimes be covered under your health insurance plan and therefore you should check with your insurance first prior to getting cash quotes.  Furthermore, where is the keloid and what does it look like?  

Although each individual heals at a different rate, the steadfast rule of thumb for duration of most of post operative swelling is generally 6 weeks.   After the 1st 3 days or so ice will not help the swelling anymore.

Dark scars respond well to Plato's Dark Scar Corrector. Fractional lasers may also help improve surface texture of some scars. Our office specializes in scar revision and we would recommend a specific scar treatment protocol to help your scars. Best, Dr. Karamanoukian Los Angeles