A 2-Year-Old Boy Is Brought to the Clinic Due to Recurrent

A 2-year-old boy is brought to the clinic due to recurrent infections.  Over the last year, the patient has had multiple skin and pulmonary infections requiring antibiotic therapy.  Temperature is 37.2 C (99 F) , pulse is 120/min, and respirations are 20/min.  The patient has silvery hair.  Eye examination shows horizontal nystagmus.  The oropharynx is clear, and the neck is supple.  Cardiopulmonary examination is unremarkable, and the abdomen is soft.  The skin appears pale with scarring from previous infections.  Peripheral blood smear is shown in the image below: This patient most likely has which of the following disorders?

A) Ataxia telangiectasia
B) Chédiak-Higashi syndrome
C) Chronic granulomatous disease
D) Gaucher disease
E) Leukocyte adhesion deficiency
F) Wiskott-Aldrich syndrome

Correct Answer:

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