“…Primary antibodies included S-100 protein (Dako Corp, Carpinteria, Calif), MART-1 (Neomarker, Fremont, Calif), NKI/ beteb (Monosan, Uden, The Netherlands), CD1a (Dako Corp), CD3 (Novocastra, Newcastle, United Kingdom), CD20 (Dako Corp), and CD68 (Dako Corp). In addition to the criteria of Coupe 4 and Wood's light examination, we excluded vitiligo histologically in the screening step by performing Fontana-Masson and NKI/beteb stain.…”