检查 应对有二期梅毒风险的患者、孕妇和有非典型病变或累及掌跖的病例进行检查。[14]Chuh AA, Molinari N, Sciallis G, et al. Temporal case clustering in pityriasis rosea: a regression analysis on 1379 patients in Minnesota, Kuwait, and Diyarbakir, Turkey. Arch Dermatol. 2005;141:767-771.http://jamanetwork.com/journals/jamadermatology/fullarticle/395163http://www.ncbi.nlm.nih.gov/pubmed/15967925?tool=bestpractice.com[15]Cooper M. Diseases of the epidermis: pityriasis rosea, lichen planus, keratosis pilaris. Dermatol Nurs. 2005;17:457-458.http://www.ncbi.nlm.nih.gov/pubmed/16463931?tool=bestpractice.com