Diagnosis and Treatment of Basal Cell and Squamous Cell Carcinoma

摘要: Family physicians are regularly faced with identifying, treating, and counseling patients skin cancers. Nonmelanoma cancer, which encompasses basal cell squamous carcinoma, is the most common cancer in United States. Ultraviolet B exposure a significant factor development of carcinoma. The use tanning beds associated 1.5-fold increase risk carcinoma 2.5-fold Routine screening for controversial. U.S. Preventive Services Task Force cites insufficient evidence to recommend or against routine whole-body examination screen cancer. Basal commonly appears as pearly white, dome-shaped papule prominent telangiectatic surface vessels. Squamous firm, smooth, hyperkeratotic plaque, often central ulceration. Initial tissue sampling diagnosis involves shave technique if lesion raised, 2- 4-mm punch biopsy abnormal-appearing area skin. Mohs micrographic surgery has lowest recurrence rate among treatments, but best considered large, high-risk tumors. Smaller, lower-risk tumors may be treated surgical excision, electrodesiccation curettage, cryotherapy. Topical imiquimod fluorouracil also potential, less supported, treatments. Although there no clear guidelines follow-up after an index nonmelanoma monitoring prudent because subsequent 35 percent at three years 50 five years.