Linear Depigmented Macules and Patches in an Elderly Man

Main Article Content

Maansi Kulkarni
Sean Igelman
Julian Trevino
Clayton Conner

Keywords

segmental vitiligo, Durvalumab, checkpoint inhibitors, blaschkoid lines

Abstract

The development of immune checkpoint inhibitors such as programmed cell-death receptor 1 (PD-1) antagonists has rapidly advanced chemotherapy within the last several decades. PD-1 targeted immunotherapy drugs like pembrolizumab, ipilimumab, nivolumab, and durvalumab have known associations with several immune-mediated dermatological reactions. We report a case in which an elderly male experienced segmental vitiligo after use of durvalumab therapy for small cell lung cancer. Distinct from non-segmental vitiligo, segmental vitiligo presents in a unilateral blaschkoid distribution and typically does not cross the midline. To our knowledge, checkpoint inhibitor-induced segmental vitiligo has yet to be documented.

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