• Rina Su, Yaqi Tan, and Shiguang Peng.
• Department of Dermatology, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China.
• Medicine (Baltimore). 2024 Sep 13; 103 (37): e39634e39634.

BackgroundPyoderma gangrenosum (PG) is a neutrophilic skin disease characterized by recurrent painful cutaneous ulcers, often accompanied by inflammatory bowel disease, joint pain, and other systemic damage. This disease is relatively rare in clinical practice and its diagnosis and treatment are often delayed, leading to secondary infections in the skin lesions, prolonged disease course, and increased disease burden on patients. This study retrospectively analyzed the clinical characteristics and treatment strategies of patients with PG admitted to our hospital and conducted a literature review, in order to improve the understanding of the disease among clinical doctors, enable patients to receive better diagnosis and treatment, and ultimately improve patient prognosis.MethodsClinical data of patients diagnosed with PG and hospitalized in Beijing Chaoyang Hospital, Capital Medical University from January 2014 to December 2022 were retrospectively collected. The clinical manifestations, treatment strategies, efficacy, and disease outcomes were analyzed.ResultsA total of 14 patients, including 8 males and 6 females, aged 14 to 66 years, were included. Skin lesion types: 13 cases were ulcer-type, 1 case was pustule combined with ulcer-type, and the lower limbs were the most commonly affected areas. All the 14 patients presented with comorbidities. All patients were treated with glucocorticoids, with a daily dose equivalent to 20 to 100 mg prednisone and a median dose of 40 mg. Among them, 3 patients were treated with minocycline in combination, 1 patient was treated with mycophenolate mofetil 0.5 twice daily in combination, 1 patient was treated with cyclophosphamide 0.1 once daily in combination, and 1 patient was treated with thalidomide 0.1 every night in combination.ConclusionPG is a relatively rare immune-related skin disease. Our small sample data analysis found that male PG is not uncommon in the Chinese population. Systemic glucocorticoids can quickly control the symptoms of PG in most patients with PG. In patients with poor efficacy or limited use of glucocorticoids, immunosuppressive drugs or novel targeted drugs such as biologics or small-molecule drugs should be used in combination as early as possible. Skin lesion care focuses on preventing infection, avoiding surgical debridement, and emphasizing pain management and the symptomatic treatment of comorbidities.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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