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A 35 year male suffering from acid-peptic disease since last 15 years developed multiple, progressive necrotic gangrenous ulcers with pus discharge since one month. He also had cellulites and a big serpiginous necrotic ulcer of left ring finger resembling decubitus ulcer. Smears of pus from both types of ulcers revealed gram-negative bacilli. Culture of pus from both sites showed growth of pseudomonas aeruginosa. Blood culture was negative. Diagnosis of Echthyma gangrenosum (EG) was established histopathologically as gram-negative bacilli invaded the dermal vessels. Complete cure occurred after 3 months of treatment with different antibiotics; 80% of ulcers healed with cefadroxyl therapy.
