RT Book, Section A1 Lichtman, Marshall A. A1 Kaushansky, Kenneth A1 Prchal, Josef T. A1 Levi, Marcel M. A1 Burns, Linda J. A1 Armitage, James O. SR Print(0) ID 1133365173 T1 Burkitt Lymphoma T2 Williams Manual of Hematology, 9e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642470 LK hemonc.mhmedical.com/content.aspx?aid=1133365173 RD 2024/04/24 AB Burkitt lymphoma (BL) may present in three distinct forms: endemic (African), sporadic, and immunodeficiency-associated.The endemic form is found in eastern equatorial Africa, with a peak age incidence at 4 to 7 years, and it is nearly twice as frequent in boys as in girls.Sporadic BL, defined as cases outside of endemic African regions, accounts for 1% to 2% of all patients with non-Hodgkin lymphoma (NHL).The incidence is higher in males than in females, and the median age of onset is 30 years.Immunosuppression-related BL increased in incidence during the AIDS epidemic.