Pediatric cancer: The King Faisal Specialist Hospital and Research Centre experience.

Between January 1976 and December 1993, a total of 3291 children with cancer were treated at King Faisal Specialist Hospital and Research Centre (KFSH&RC). Males accounted for 60.7% and females 39.3%, with a ratio of 1.5:1. The peak age was two to five. The three most common malignancies were leukemias (26.2%), lymphomas (21.3%), and central nervous system (CNS) tumors (15.3%). This report presents some of the epidemiologic data related to the largest number of children with malignancy treated in a single institution in Saudi Arabia.