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.
U.S. 50 from Carson City takes travelers around the south end of Lake Tahoe and over the Sierra to Sacramento, where it ends at a merge with I80. U.S. 395 enters California just north of Reno and continues on through Oregon. Going south, 395 goes to through Carson City and enters California at Topaz Lake.