[An 84-year-old man with an ulcer on his ankle]. / Een 84-jarige man met een ulcus op zijn enkel.

Hydroxycarbamide is a cytotoxic drug that is used in haematological cancers. On long-term use (2-15 years) of 1500-2000 mg a day, there is a 9% risk of developing ulcers. This patient's ulcer was painful, of punched out aspect, with a necrotic base and swollen wound edges. Upon discontinuation of hydroxycarbamide, the wound healed within 2 months.