Abstract
Objective: To determine the prevalence of leukemia among children during 2018-2021 in Mosul city.
Methodology: This retrospective study was conducted on leukemia patients in Oncology Center at Ibn Al-Atheer Hospital from 10th January to 30th April 2022. Data were collected from patients’ records.
Results: Out of 153 patients, 99 (64.8%) were males and 54 (35.2%) females. The disease was found in children of school age more than in the rest of the ages and more males and those belonging to urban areas were affected. Acute lymphatic leukemia was commonest form found.
Conclusion: The prevalence of the disease is very high and is constantly increasing. The incidence of the disease in school-age children is relatively high.

Key words: Prevalence, leukemia, children.