[A child with a sternal tumour]. / Een dreumes met een sternale zwelling.

A one-year-old boy came to the doctor with a sternal swelling. Physical examination showed a parasternal tumour with a blue hue. After ultrasound SELSTOC (self-limiting sternal tumour of childhood) was diagnosed. SELSTOC is an aseptic inflammation in young children. A wait-and-see policy is recommended in the first weeks.