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[Extensive ulcerations in children: The difficulty diagnosing pyoderma gangrenosum]
I Ramli1, H Rachadi1, H Amarouch1
1Service de dermatologie et vénérologie, CHU Ibn Sina, université Mohammed V, Rabat, Maroc.
Abstract:
Pyoderma gangrenosum is an amicrobial neutrophilic dermatosis of unknown cause with a chronic course. We report a case in a 30-month-old child who presented with progressive and painful skin ulcers. Lesions were quickly extensive, refractory to local and systemic antibiotic therapy. Histopathology of the skin biopsies confirmed the diagnosis of ulcerative pyoderma gangrenosum. Only 4% of the cases reported in the literature are in children below the age of 4 years. This neutrophilic dermatosis is associated in half of the cases with a systemic disease. The treatment is based on corticosteroids. Immunosuppressant drugs such as tacrolimus, cyclosporine, and mycophenolate mofetil may be effective for pyoderma gangrenosum refractory to corticosteroids. Currently, anti-TNF is a promising treatment for refractory PG.
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