Acute lymphoblastic leukemia

Acute lymphoblastic leukemia (all) is a kind of tumor disease originated from B-line or T-line lymphoid progenitor cells. Primitive cells proliferate and aggregate abnormally in bone marrow and inhibit normal hematopoiesis, resulting in anemia, thrombocytopenia and neutropenia; Primordial cells can also invade extramedullary tissues, such as meninges, gonads, thymus, liver, spleen, or lymph nodes, causing corresponding lesions.