U01.02.034 Immunodeficiencies Phagocyte dysfunction
Approach this clinical question by identifying key clues that point to an immune system defect. Focus on: Delayed umbilical cord separation Recurrent bacterial infections without pus formation Marked neutrophilia despite infection Absence of CD18 on leukocytes (via flow cytometry) These features together indicate a defect in leukocyte adhesion and migration. Analyze each option based on…
Question tags CD18 Deficiency, Chediak-Higashi syndrome, Chronic Granulomatous Disease, Clinical reasoning, Delayed Umbilical Cord Separation, host defense, immune disorders, immune response, immunodeficiency, immunology, infection susceptibility, innate immunity, LAD Type 1, Leukocyte adhesion deficiency, macrophage dysfunction, Medical Education, Medical Students, NADPH Oxidase, neutrophil defects, neutrophilia, oxidative burst, pathology, pediatric immunodeficiency, phagocyte dysfunction, Phagocytic Disorders, Primary Immunodeficiency, Recurrent Infections, USMLE Step 1
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