PG is an uncommon neutrophilic dermatosis that presents as an inflammatory and ulcerative disorder of the skin. Most cases are associated with an underlying immunological condition, such as inflam matory bowel disease, rheumatological diseases, haematological disorders or metabolic syndrome.1 In the current patient, all of the laboratory tests were negative apart from the toxicology screening, which distinguishes this case from others reported in the literature. The differential diagnosis included connective tissue diseases such as chronic cutaneous