Leukemia Undifferentiated

**Undifferentiated leukemia** is a malignant blood disease caused by damage to the hematopoietic system. In most cases it is malignant, but in rare cases it can also occur as a benign lesion of the hematopoietic system.

**Reasons for development:**

1. In children of the first year of life, various infections (less often, autoimmune diseases) are provoking factors. 2. Viruses (measles, rubella, chickenpox, mumps, T-cell leukemia/lymphoma, Kawasaki disease) – affect more than 80% of patients. 3. Stress. 4. Heredity. 5. Uncontrolled treatment of cancer. 6. The child has several types of cancer at once. 7. Parents smoking. 8. Exposure to radiation/ionizing radiation. 9. Long-term use of medications