Zeitschrift für klinische und experimentelle Dermatologieforschung
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Idiopathic Pyoderma Gangrenosum in a Toddler: Case Report

Waleed Alajroush, Nouf Alqahtani, Abdullah Alfaleh

Pyoderma Gangrenosum (PG) is an inflammatory neutrophilic dermatosis of unknown etiology, primarily sterile with no underlying infectious process and commonly present as an association with a systemic disease. It is rarely seen in pediatric age group and here we describe an atypical presentation of painless cutaneous ulcerative eruption involving the upper thighs and buttock in an otherwise healthy 14-month-old girl. Diagnosis of idiopathic PG was made based on clinical and histopathological correlation, and after excluding other etiologies including immunodeficiency and infections. The patient improved and responded well within 4 weeks of treatment with systemic corticosteroids.