Practice question reactive white cell
Practice questions Benign white cell disorders © Jun Wang, MD, PhD 1. Use this case for next two questions . A 1-year-old white boy presents with recurrent pharyngitis for 4 months. His past history is otherwise unremarkable. Physical examinations reveal normal development. His weight and height are about 65 percentile. No significant abnormalities are seen except redness of his pharynx and bilateral tonsillar swollen. Laboratory tests reveal normal range hemoglobin and platelets. His absolute neutrophil count is 400/mm 3 (normal > 1500/ mm 3 ). Quantity of other white cells are within normal range. Peripheral blood smear reveal no significant morphological atypia. Bone marrow biopsy reveal normal cellularity with trilineage maturation. No dysplasia is identified. What is the most likely diagnosis? A. Autoimmune neutropenia B. Benign ethnic neutropenia C. Megaloblastic anemia D. Myelodysplastic syndrome E. Myeloproliferative neoplasm 2. A 1-year-o...