Wolf's isotopic response[1][2] is a dermatological sign that is characterized by the appearance of a new dermatosis or cutaneous infection at the site of a previous unrelated and already healed dermatosis ("isotopic" means identical location).[3][4]
References
^Shemer A, Weiss G, Trau H (September 2001). "Wolf's isotopic response: a case of zosteriform lichen planus on the site of healed herpes zoster". J Eur Acad Dermatol Venereol. 15 (5): 445–7. doi:10.1046/j.1468-3083.2001.00345.x. PMID11763387. S2CID21939593.