Case of skin necrosis due to arginine monohydrochloride extravasation

A 10-month-old child presented with an ulcerated lesion on his right arm. The lesion was caused by arginine monohydrochloride extravasationduring growth hormone testing, performed 2 months before. On physical examination, there was a 3 cm x 4 cm ovalsore, with a thick fibrous base and turgid, violaceous, raised edges on the dorsal aspect of the child's right hand and wrist. Conservative managementwith local medications led to complete resolution within 2 months.