Pyoderma gangrenosum (PG) is a neutrophilic dermatosis associated with certain neoplasms, predominantly of haematological origin, and autoimmune diseases. Pemphigus vulgaris (PV) is a disease in which antibodies target crucial intercellular junction components. A few cases of PG associated with PV have been described. We present a woman with a high phototype presenting this rare association and highlight the diagnostic challenge of diagnosing rare diseases in patients with high phenotypes.
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Cano et al. (2024) studied this question.
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