应告知患者使用防晒霜和防护服与装置,或避开日光。但在大多数情况下,日光损伤已足够晚期,以至于不能防止新的 BCC 发生,因为已经造成了损伤。早期查体及切除是预防远期并发症的最好手段。[64]Berking C. Photocarcinogenesis: molecular mechanisms and preventive strategies. Hautarzt. 2007;58:398-405.http://www.ncbi.nlm.nih.gov/pubmed/17429584?tool=bestpractice.com通过口服烟酰胺进行化学预防对于高风险患者可能有益。[65]Chen AC, Martin AJ, Choy B, et al. A phase 3 randomized trial of nicotinamide for skin-cancer chemoprevention. N Engl J Med. 2015;373:1618-1626.http://www.nejm.org/doi/full/10.1056/NEJMoa1506197http://www.ncbi.nlm.nih.gov/pubmed/26488693?tool=bestpractice.com
维莫德吉可用于基底细胞痣综合征的病情控制,以减轻肿瘤负担,降低基底细胞癌的发生率。[40]Tang JY, Mackay-Wiggan JM, Aszterbaum M, et al. Inhibiting the hedgehog pathway in patients with the basal-cell nevus syndrome. N Engl J Med. 2012;366:2180-2188.http://www.ncbi.nlm.nih.gov/pubmed/22670904?tool=bestpractice.com