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54539 Pathology

A person taking an oral sulfonamide is found to have a markedly decreased peripheral blood neutrophil count, but the numbers of platelets and erythrocytes are normal. If the peripheral neutropenia is the result of antineutrophil antibodies being produced in response to taking the sulfonamide, then this patient would be expected to have

AAn atrophic spleen
BDecreased vitamin B12 levels
CHypoplasia of the bone marrow myeloid series
DHyperplasia of the bone marrow myeloid series
Pathology
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