A Case of Palisaded Neutrophilic and Granulomatous Dermatitis Associated with an Initial Presentation in Ankylosing Spondylitis
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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Young Sun Suh1, Eui Chang Jung2, Yun Sun Moon2
1Division of Rheumatology, Department of Internal Medicine, Gyeongsang National University Changwon Hospital, Gyeongsang National University College of Medicine, Jinju, Korea.
Abstract:
Palisaded neutrophilic and granulomatous dermatitis (PNGD) is an inflammatory dermatosis associated with systemic immune-mediated diseases such as rheumatoid arthritis, systemic sclerosis, lupus erythematosus, and ulcerative colitis. Histologically, serial development of leukocytoclastic vasculitis is shown from an early stage, which can progress to palisading granuloma in the fully developed stage and to fibrosis in the final stage. A 32-year-old man presented with ankylosing spondylitis showing multiple erythematous papules on his fingers, elbows, knees, and left auricle. Histologic examination from his skin lesion revealed a perforating palisading granuloma with leukocytoclastic vasculitis, which was consistent with PNGD. Therefore, this study reported a case of PNGD accompanied by ankylosing spondylitis as an initial presentation.
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