Xeroderma pigmentosum, type 2: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type B is often associated with signs of Cockayne syndrome.
Excessive freckling Telangiectases Keratoma Papillomas Skin malignancies Sunlight sensitivity Freckling
Xeroderma pigmentosum, type 2 symptoms usually refers to various symptoms known to a patient, but the phrase Xeroderma pigmentosum, type 2 signs may refer to those signs only noticable by a doctor.