ISSN 2147-9720 | E-ISSN 2148-4279
Case Report
Erythema elevatum diutinum coexisting with ankylosing spondylitis
1 Department of Rheumatology, Çukurova University Faculty of Medicine, Adana, Turkey  
2 Department of Dermatology, Sütcü İmam University Faculty of Medicine, Kahramanmaraş, Turkey  
3 Department of Pathology, Çukurova University Faculty of Medicine, Adana, Turkey  
Eur J Rheumatol 2015; 2: 73-75
DOI: 10.5152/eurjrheum.2015.0073
Key Words: Ankylosing spondylitis, colchicine, erythema, leukocytoclastic vasculitis, sulphasalazine

A 43-year-old woman presented to our hospital with the complaint of a reddish-purple rash on the extensor sides of her forearms. She had been diagnosed with ankylosing spondylitis 7 years ago. On physical examination, reddish-purple nodules were detected on the pretibial areas of both legs and extensor sides of both hands and forearms. Neutrophil, eosinophil, lymphocyte, and mixed-type leukocyte infiltration and erythrocyte extravasation were observed in skin biopsy. Erythema elevatum diutinum (EED) was diagnosed. For treatment, sulphasalazine, colchicine, and diclofenac were started. After 3 months of treatment, the lesions were healed. To the best of our knowledge, this is the first report of EED coexisting with ankylosing spondylitis.

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