“…HU can cause an array of skin lesions, such as a lichenoid eruption on the dorsum of hands and feet (referred to as HU dermopathy) [15], dermatomyositis-like skin changes [16, 17], partial alopecia, increased pigmentation, scaling, atrophy of the skin and subcutaneous tissue, nail changes and erythema of the face and hands [18]. Leg ulcers are a relatively frequent side effect of HU [12, 13, 14, 19, 20, 21, 22, 23].…”