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14396 Pathology

A 36-year-old woman has a cough and fever for 1 week. On physical examination, her temperature is 38.3deg C. She has diffuse crackles in all lung fields. A chest radiograph shows bilateral extensive infiltrates. CBC shows hemoglobin, 13.9 g/ dL; hematocrit, 42%; MCV, 89 mm3; platelet count, 210,000/mm3; and WBC count, 56,000/mm3 with 63% segmented neutrophils, 16% bands, 7% metamyelocytes, 3% myelocytes, 1% blasts, 8% lymphocytes, and 2% monocytes. A bone marrow biopsy is obtained and shows normal maturation of myeloid cells. Which of the following is the most likely diagnosis?

AChronic myelogenous leukemia
BHairy cell leukemia
CHodgkin lymphoma, lymphocyte depletion type
DLeukemoid reaction
Pathology
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