Case series reports localized bullous pemphigoid related to radiation therapy in patients on immune checkpoint inhibitors, suggesting a unique interaction.
There is minimal literature on the development of localized bullous pemphigoid exclusively in previously irradiated skin. Here we report a case series of bullous pemphigoid strikingly localized to areas of previous radiation therapy occurring in the setting of concomitant immune checkpoint inhibitor therapy.
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Wyant et al. (2026) studied this question.
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