Facial lymphoedema, viral warts, and myelodysplastic syndrome: the protean condition of GATA2 deficiency

A 17-year-old man reporting a 3-year history of an acneiform eruption and a 4-month history of worsening swelling of his face, was referred to our specialist joint haematology-dermatology clinic. The patient had been found to have a monocytopenia of 0·2 × 109 per L (normal 0·2–1·0); he had no other past medical problems.