Agammaglobulinemia, neutropenia, fever, and abdominal pain.
D000361:Agammaglobulinemia / Q000150:complications* / Q000276:immunology; D000906:Antibodies / Q000032:analysis; D001062:Appendectomy; D001064:Appendicitis / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005334:Fever / Q000209:etiology*; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology
D000906:Antibodies