Basal cell carcinomas are currently considered to have origin from the folliculo-sebaceous-apocrine germ, also known as trichoblast. The differential diagnosis with trichoblastic carcinoma, a rare malignant form of trichoblastoma, can be challenging. Alternatively, one argument is that basal cell carcinoma is trichoblastic carcinoma. Overexposure to sun leads to the formation of thymine dimers, a form of DNA damage.
Carson, Washington. Carson is a small community within Carson River Valley CDP in Skamania County in the southwestern part of the U.S. state of Washington.
Carson. 1  is a city in the Harbor region of Los Angeles County. 2  This neighborhood includes Unincorporated Carson-West in its area and statistics. 3  The neighboring communities are Compton, Harbor City, Harbor Gateway, Long Beach, Rancho Dominguez, West Carson, West Compton and Wilmington.