Toshiyuki Yamamoto, Kenshi Yamasaki, Keiichi Yamanaka, Mayumi Komine, Tamihiro Kawakami, Osamu Yamamoto, Takuro Kanekura, Tetsuya Higuchi, Toshiya Takahashi, Yoshiaki Matsushima, Nobuyuki Kikuchi, Japanese Dermatological Association Pyoderma Gangrenosum Treatment Guidelines Drafting Committee Journal of Dermatology 50 (9) 2023, e253-e275 doi.org=10.1111/1346-8138.16845

Pyoderma gangrenosum (PG) is a rare, neutrophilic skin disease. For the purpose of accurate diagnosis and proper treatment of PG, the Japanese clinical practice guidance for PG developed by the Japanese Dermatological Association was published in 2022. In this guidance, clinical aspects, pathogenesis, current therapies, and clinical questions on PG are described from the viewpoints of current knowledge and evidence-based medicine. Here, the English version of the Japanese clinical practice guidelines for PG is presented and is intended to be widely referred to in the clinical examination and treatment of PG.