Chang N, Hirsch Y, Nemeth K, Pei S, et al. Pembrolizumab-Exacerbated Widespread Pigmented Purpuric Dermatosis in an Elderly Patient, a Potential Diagnostic Pitfall Mimicking Pigmented Purpuric Dermatosis-Like Mycosis Fungoides. J Cutan Pathol 2025 Jul 24. doi: 10.1111/cup.14841.
PMID: 40707427