A 74-Year-Old Woman Presents for an Urgent Office Visit

A 74-year-old woman presents for an urgent office visit. She has been experiencing epigastric discomfort over the last 3 months. Discomfort is worse during meals and prevents her from eating full portions. She has lost 5.4 kg (12 Ib) . She also reports dyspnea on exertion. She has been taking ramipril, aspirin, and simvastatin. On physical examination, her pulse rate is 88/min, and her blood pressure is 155/85 mm Hg. There is mild epigastric tenderness with palpation. Her spleen is massively enlarged and palpable at the umbilicus. The edge of her liver is also palpable 6 cm below the costal margin. Her hemoglobin is 7.5 g/dL, mean corpuscular volume 89 fL, leukocyte count 11,200/?L, and platelet count 114,000/?L. Peripheral blood smear shows numerous erythroblasts, myeloid precursors, and teardrop cells. Bone marrow cannot be aspirated, and biopsy specimen shows marked fibrosis. Analysis of blood is negative for t(9;22) by fluorescent in situ hybridization (FISH) . What is the most l

A) Chronic myeloid leukemia
B) Hairy cell leukemia
C) Myelodysplastic syndrome
D) Disseminated tuberculosis
E) Myelofibrosis