“…3 Skin lesions are heterogeneous and may manifest as erosions, ulcerations, papules, scaly plaques, diffuse erythema, vesiculobullous lesions, or exfoliative erythroderma. 4 The pathological findings are related to the diversity of skin lesions, which may be characterized by suprabasal acantholysis, inflammatory infiltrates, lichenoid interface dermatitis, and dyskeratosis, sometimes present in the same specimen. 2 Indirect immunofluorescence on rat bladder is usually used to confirm PNP, given a recorded specificity near 100%, distinguishing it from other pemphigus.…”