Paraneoplastic pemphigus (PNP) is an autoimmune bullous disease associated with underlying neoplasms. both malignant and benign. The most constant clinical presentation of PNP is the presence of intractable stomatitis. Herein we present a 25-year-old male with a 3-month history of refractory stomatitis especially involving the lips and widespread vesiculobullous eruption on his trunk ... https://www.knowall.blog/