Lumps on skin caused due to the common warts occur in the form of hard clusters or bumps on the scalp. There are certain conditions which causes the lumps on the scalp which grow as small lesions on the scalp and grow by their size as a person reaches puberty and adolescent. Lumps or bumps caused due to skin lice can be itchy and turn red. Certain lumps of the scalp can also spread over to the neck or upper back.
Kristy is a female name of Latin origin, meaning follower of Christ. The name can be the shortform, or related to, several names including Christine, Kristina, Kristine, Kristian, or Kristin, the common link being Kris meaning Christ.
Kristen /kris-ten/ [2 sylls.] as a girls' name is pronounced KRISS-ten. It is of Latin origin, and the meaning of Kristen is  follower of Christ . Variant of Christine; combined form of Kirsten and Kristina. See also Christen and Kirsten.