This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following inherited neutropenias show a self limited course? 
Select and explain. 
A. Shwachman-Diamond syndrome, B. Dyskeratosis congenita, C. Chiediak higashi syndrome, D. Autoimmune neutropenia of infancy
D: Autoimmune neutropenia of infancy
Answer: D: Autoimmune neutropenia of infancy 
Explanation: Answer- D. Autoimmune neutropenia of infancyIt is recognized as a fairly specific syndrome of early childhood.Low neutrophil numbers are often discovered during the course ofroutine investigation for benign febrile illness.The illness abates but the neutropenia persists, sometimes for months and occasionally for years.The prognosis is good and neutropenia is self-limited albeit protracted, and patients seldom develop serious bacterial infections.