14th February 2024

A 1-year-old girl presents with recurrent skin infections. The site of the current infection was devoid of pus

A 1-year-old girl presents with recurrent skin infections. The site of the current infection was devoid of pus. Blood tests reveal a significant leucocytosis with a predominant neutrophilia. Looking back at her previous blood tests, she had mild neutrophilia despite being well. Immunoglobulin levels were normal. Swabs of the region grew Staphylococcus aureus, and biopsies showed inflammatory infiltrates without any neutrophils.

Which of the following conditions is the likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.