Nbme 2: A 4-month-old boy is brought to the physician because of a 2-day history of fever and progressive redness around his right eye. He has had persistent diarrhea and oral candidiasis since birth and was treated for pneumococcal pneumonia at the age of 2 months. He appears ill. His temperature is 39 C (102.2 F), pulse is 130/min, andrespirations are25/min. Examination shows violaceous preseptal(periorbital) cellulitisand oral candidiasis. Laboratory studies show:Hemoglobin 10 g/dLLeukocyte count 3000/mm3Segmented neutrophils 85%Lymphocytes 15%Platelet count 350,000/mm3SerumIgA
Which of the following is the most likely diagnosis?
- A) AIDS
- B) Chronic granulomatous disease
- C) Severe combined immunodeficiency
- D) Thymic-parathyroid dysplasia (DiGeorge syndrome)
- E) X-linked agammaglobulinemia
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