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Ecthyma gangrenosum in a healthy male
How to cite this article: Narayanan A, Kumari R, Toi PC, Thappa DM. Ecthyma gangrenosum in a healthy male. CosmoDerma 2021;1:16.
A 45-year-old male patient presented with multiple, well-defined, circular, black-brown necrotic eschar with an erythematous halo over the bilateral shin area [Figure 1a-c], thighs, and scrotum. The lesions started as erythematous macules, which progressed into bullae and later evolved to result in necrotic eschar over the next 15 days. Histopathological examination of leg lesion revealed epidermal necrosis and ulceration with acute inflammatory infiltrate, fibrinous exudate, and bacterial colonies [Figure 2a and b]. The inflammation extended into the dermis and subcutis with associated vasculitis [Figure 2c and d]. Bacterial culture of tissue from necrotic eschar revealed Escherichia coli and Enterococcus faecalis. Based on these reports, a diagnosis of ecthyma gangrenosum was made, and the patient was treated with intravenous piperacillin-tazobactam for 14 days with good improvement. Although, ecthyma gangrenosum is classically described as a systemic Pseudomonas aeruginosa infection in immunocompromised patients; it has also been reported in healthy patients. The causative agents include Streptococcus,Staphylococcus, and Escherichia coli. Lesions are seen over the lower extremities, anogenital area, and buttocks. Early diagnosis and appropriate antibiotic therapy are essential for treatment.
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Patient’s consent not required as patients identity is not disclosed or compromised.
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Conflicts of interest
Devinder Mohan Thappa is the Editor-In-Chief of the journal.