Also to be considered in the differential diagnosis is a squamous cell carcinoma. papules (1 to 3 mm in diameter). It often presents at birth, appears to regress in google_ad_width = 336; The antibody HMB-45 used as an immunohistochemical reagent has often been labeled as a marker for melanoma, even though some benign lesions have been noted to show positive staining reactions with this reagent. Later in life, google_color_border = "FFBBE8"; control. individuals. google_ad_width = 468; PHLDA1 (TDAG51) indicates that most are basal cell carcinomas and not and }); (adsbygoogle = window.adsbygoogle || []).push({}); Nevus sebaceus of Jadassohn (i) Basaloid or cuboidal cells without lipid droplets. }); (adsbygoogle = window.adsbygoogle || []).push({});