It’s rare for adults to get scalp ringworm, but it happens. A bump on your scalp may be a pilar cyst, a relatively common type of cyst that grows out of hair follicles and can also develop on ...

Using a pair of scissors, Dr. Lee created an almond-shaped opening in Mr. Nixon’s mostly bald scalp ... with her scissors, and a cyst came into view — a pilar cyst to be specific.