Cardiovascular System: Leukemia Cancer (Cancer Of The Blood)

1257 words - 6 pages

Leukemia is a type of cancer that affects the white blood cells in the human body. White blood cells are produce in the bone marrow and normally attack, kill, and fight off foreign invader. However, the bone marrow can produce abnormal white blood cells that vary in size and develop immaturely. These cells are known as leukemia cells, which increase in a large mass of number pushing out and destroy the healthy cells. There are several types of leukemia cancers and they are acute lymphocytic leukemia, acute myeloid leukemia, chronic lymphocytic leukemia, and chronic myeloid leukemia. Leukemia does not have a certain time span of development; it all depends on the type of cancer a patient is diagnosed. Adults and mostly children develop acute cancers, which grow rapidly in the human body. Adults mostly develop chronic cancers, which grower slower than acute cancers. Leukemia can be curable, but it can be difficult, however, if it is diagnose at an easy stage it can be controlled.
Normal blood cells have many roles to help the human body function normally. There are three different type of blood cells that help the body; The white blood cells, which fight off foreign invaders, the red blood cells, which carry oxygen from the lungs to the tissue throughout the human body, and platelets, which help form blood clots that control bleeding. “White blood cells, red blood cells, and platelets are made from stem cells as the body needs them. When cells grow old or get damaged, they die, and new cells take their place”(National Cancer Institute 2). Stem cells can mature into different type of white blood cells, either myeloid stem cells or lymphoid stem cells. “A myeloid stem cell matures into a myeloid blast. The blast can form a red blood cell, platelets, or one of several types of white blood cells. A lymphoid stem cell matures into a lymphoid blast. The blast can form one of several types of white blood cells, such as B cells or T cells” (National Cancer Institute 3). These white blood cells are not the same to compare to the blood cells mature in the bone marrow, they will move through the blood vessels making the blood flow through the heart.
Leukemia cancer develops by an increase amount of abnormal cells attacking and destroying normal healthy white blood cells. The four main types of leukemia cancer are acute lymphoblastic leukemia, acute myeloid leukemia, chronic lymphocytic leukemia, and chronic myeloid leukemia. Each cancer affects patients differently and treatments affect patients differently. The patients vary in different ages and hereditary, but doctors do not know if leukemia cancer is passed through genetics. However, the one thing doctors do know is all four types of leukemia cancer have one thing in common and that is the cancer starts in the blood of the bone marrow. The bone marrow has two main jobs, which are forming myeloid cells and forming lymphocytes. “The leukemia is called lymphocytic or...

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