A 68-year-old man has had malaise for over a year. On physical examination, there are no abnormal findings. His hemoglobin is 10.5 g/dL, Hct 31.5%, MCV 88 fL, platelet count 211,000/microliter, and WBC count 6980/microliter. His total serum iron is 130 microgm/dL total iron binding capacity (TIBC) 230 microgm/dL, and soluble serum transferrin receptor is normal. A bone marrow biopsy is performed and microscopic examination shows that maturation is occurring in all cell lines and there are no abnormal cells seen. Stainable iron in the bone marrow is increased. Which of the following underlying diseases is he most likely to have?
A Diverticulosis
B Hepatitis C infection
C Systemic lupus erythematosus
D Atrophic gastritis
E Fanconi anemia
A Diverticulosis
B Hepatitis C infection
C Systemic lupus erythematosus
D Atrophic gastritis
E Fanconi anemia