TY - CHAP M1 - Book, Section TI - Aplastic Anemia: Acquired and Inherited A1 - Lichtman, Marshall A. A1 - Kaushansky, Kenneth A1 - Prchal, Josef T. A1 - Levi, Marcel M. A1 - Burns, Linda J. A1 - Armitage, James O. PY - 2017 T2 - Williams Manual of Hematology, 9e AB - Aplastic anemia is marked by pancytopenia with markedly hypocellular marrow and normal marrow cell cytogenetics.Incidence worldwide is two to five cases/million population per year and five to twelve cases/million population per year in the United States (and in other industrialized countries). Incidence is approximately twice as high in Asian countries.Peak incidence is between ages 15 and 25 and 65 and 69 years.The definitions for spectrum of severity of aplastic anemia are shown in Table 3–1. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - hemonc.mhmedical.com/content.aspx?aid=1133362321 ER -