Аннотации:
The article presents data on classification, diagnostic problems, treatment of acute lymphoblastic leukemia in children. Remaining unresolved problems of protocol chemotherapy complications of acute lymphoblastic leukemia. The presented clinical case of successful treatment of thrombosis of mesenteric vessels in a child with acute lymphoblastic leukemia, which included the stages of thrombolytic therapy and surgical treatment for resection of necrotized part of the ileum.