A 3 year-old male is brought to your office for the evaluation of recurrent infections and persistent hunger, and not gaining weight. His mother reports that his medical history is significant for recurrent skin abscesses with staphylococcus aureus. Recently he started to complain about abdominal pain that starts one to two hours after a meal. When he vomits, the ingested food is ejected forcefully falling several feet away. Physical examination findings include several abscesses over both upper extremities, tenderness over the epigastric area. You ordered an ultrasound of his abdomen which confirmed what you suspected, pyloric stenosis. Then you thought, “but why is this boy getting recurrent skin abscesses?” Incrementally, you ordered some laboratory tests to investigate this boy’s condition. Results came as follows CBC: anemia, leucocytosis, and elevated ESR Skin abscess culture: Positive for Staphylococcus aureus, Burkholderia cepacia and Serratia marcescens Dihydrorhodamine (DHR) test: Positive Nitroblue tetrazolium test: Positive You suspect chronic granulomatous disease in this patient. In most patients, this disorder is inherited as
