Medically reviewed by Amelia MacIntyre, DO One of the most important characteristics of blood is its type. Knowing your blood ...

Leukemia can refer to all cancers affecting the white blood cells. How the cancer spreads can depend on the type of leukemia and how aggressive it is. Leukemia is a cancer of the blood cells.

Many symptoms of high leukocytes in children can indicate an infection or something more serious, such as lymphoma or leukemia. A child who bruises easily may indicate thrombocytopenia (low platelet ...