that are the condition of acute lymphoblastic leukemia in children Acute lymphoblastic leukemia (ALL) is a type of cancer that affects the white blood cells, specifically the lymphocytes, which are a type of cell that helps the body fight off infections. In children, ALL is the most common type of cancer and typically presents with a number of symptoms that can include: Fatigue and weakness Pale skin Easy bruising or bleeding Petechiae (small red or purple spots on the skin) Swelling of the lymph nodes, liver, and spleen Loss of appetite Weight loss Anemia (low red blood cell count) Night sweats Frequent infections In addition to these symptoms, children with ALL may also have a fever, bone or joint pain, and a headache. The symptoms of ALL can vary from child to child and may be similar to those of other conditions, so it's important to see a doctor for a proper diagnosis. Diagnosis of ALL typically involves a physical examin