Since its first administration on human subjects suffering from chronic myeloid leukemia in 2001, Gleevec proved to be the most efficient drug therapy with the most promising improvements. Its targeted action on cancerous white blood cells produced by the abnormally functioning bone marrow also showed less side-effects comparing to prior used drugs. Gleevec has a small rate of toxicity causing nausea, skin rashes or fluid retention but is far more advantageous than drugs injuring internal organs like heart, kidneys or lungs or attacking normal tissues while killing cancer cells.

Since 2001 Gleevec has been successfully used in curing other cancer types as well, due to its targeted action on the abnormal tyrosine kinases sending wrong signals to active cells. At least three other cancerous conditions are known to be caused by genetically modified tyrosine kinases. The gastrointestinal stromal tumor was earlier a very difficult to treat disease; it is caused by a different type of tyrosine kinases than the one responsible for chronic myeloid Leukemia but Gleevec could successfully inhibit it as well.

About 60% of the patients with this tumor treated with Gleevec showed remarkable improvement and real benefic effects but doctors must still wait a few years to know how long the effects will last.

The chronic myelomonocytic leukemia is another very rare encountered blood disease upon which Gleevec proved to be efficient. Myelomonocytic Leukemia is a particular type of myeloid Leukemia also caused by a genetically modified tyrosine kinases. The third cancerous condition with great improvements after the chemotherapy with Gleevec is the hypereosinophilic Syndrome, another blood cancer with an abnormally high multiplication rate of the eosinophilic blood cells responsible for fighting against parasite-linked diseases and allergies.

Eosinohils are a type of white blood cells representing about 3-5% of the total number of leucocytes in the human blood. The hypereosinophilic syndrome develops with an accumulation of outnumbered eosinophils inside the bloodstream. They have major toxic properties in large numbers and have toxic effects on tissues such as heart and nervous system. This disease is known to have multiple causes and therefore many possible pathological types. The study with Gleevec administration was made on the chronic hypereosinophilic Leukemia and the patients’ condition was substantially improved.

The detection of Gleevec was a real scientific success as it was able to treat conditions with no other possible therapies. In case of the chronic myeloid Leukemia the bone transplant is the most efficient cure but is has many side-effects and can only be performed on some patient types. Gleevec was a second chance for the patients with real benefits as it can be self-administered due to its pill form.

Gleevec is not yet the magic cure in cancer as it can produce no molecular changes on genetic mistakes but its discovery has shown that we are close to finding a real therapy for cancer.

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Leukemia is a dangerous form of cancer, and it affects thousands of people every year. It affects the white blood cells. The body loses control of the quantity and quality of blood cells, and it becomes very vulnerable because the white blood cells are supposed to protect our organism against infections. There are two main types of leukemia - acute leukemia and chronic leukemia. Acute leukemia is more dangerous because it spreads much faster, but chronic leukemia can be tricky because it has almost no symptoms.

The first organ that is affected by chronic leukemia is the bone marrow. The bone marrow is a tissue that can be found on some of the main bones in the body and that has the role of producing blood cells (red blood cells and white blood cells).
White blood cells are the guardians of the body. They can be found anywhere in the blood and they attack and neutralize any type of bacteria that enters the body and that can be harmful.

When a patient has chronic leukemia, the white blood cells from his blood are deffective and they are continuously created. A normal person should have less then 10000 white blood cells white a person with leukemia can have more than 100000, but although there are so many the protection against infections is decreased because most of the cells are malfunctioning.
A particularity of chronic leukemia is that patients who have it also have a lower number of red blood cells.

The causes of all types of leukemia are unknown, doctors cannot determine why some people have this illness and other don’t. Though, scientists discovered some factors that increase the risks of becoming ill of leukemia. Among these factors radiations play an important role, many that were exposed to radiations were soon diagnosed with leukemia. Also, a malfunction in the genes can cause the blood cells to transform, so it can have a genetic cause. The causes and risk factors are still being researched.

The bad thing about chronic leukemia is that it usually shows no symptoms that can give he patient an idea about his condition. It’s often discovered during routine lab tests. Some of those suffering from chronic leukemia reported having a general state of weakness and fatigue. As the disease advances blood can start to come out of the nose or of the gums for no reason, and because the organism is weakened and its defense is lowered, leukemia patients can be vruised very easy, and they are often infected with foreign microorganism.

Chronic leukemia treatment depends on each patient. After the diagnose a series of tests are made to determine which therapy the patient responds to. Chemotherapy is used in most situations. The number of people that are cured of chronic leukemia is increasing as time passes, but a there is a notable number of victims too.

New drugs and cures keep being researched by doctors and scientists and the survival rate is rising, so maybe in the near future chronic leukemia will be musc easier to treat.

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In the bone marrow are produced the leukemia cells which are abnormal and immature.These cells are classified in two types:lymphoid leukemia cells and myeloid leukemia cells.The abnormal, immature cells called leukemia cells are produced by blood-forming tissue and these are named after the lymphoid or myeloid cells.

It is better to know about the normal blood cells and about the form of these.So,in the bone marrow,which is the soft material in the center of most bones, are formed the blood cells.The immature blood cells called stem cells and blasts are produced by the marrow.

These blood cells become mature,they can be formed into one of three types of mature blood cells like:red blood that carry oxygen and other materials to all tissues of the body,white blood cells that fight infection and disease,platelets that help prevent bleeding by causing blood clots to form.

One of two types of stem cells are created by mature blood cells like lymphoid stem cells or myeloid stem cells.As they grow they become lymphoid blasts, they transform in lymphocytes and then passes into white blood cells.In the same way myeloid cells grow,passes into myeloid blasts, then myelocytes and finally they become either white blood cells, red blood cells or platelets.

Abnormal cells are produced in the bone marrow and they can be either abnormal lymphoid cells or myeloid cells;appears only at people with leukemia.Lymphocytic leukemia is formed by the abnormal lymphoid cells and the myeloid leukemia is created by the abnormal myeloid cells.The types of leukemia based on the leukemia cells are four and they are the following:chronic lymphocytic leukemia (CLL),chronic myelogenous leukemia (CML),acute lymphocytic leukemia (ALL) and acute myeloid leukemia (AML).

Too many stem cells develops into either abnormal lymphoblasts or lynphocytes conduct to the appearance of lymphoid leukemia cells.Unfortunatelly lymphoblastic and lymphocytic are not abble to fight infection because of the number of lymphocytes arrises in the blood and bone marrow,there is less space for healty white blood cells,red blood cells and platelets, which can cause infection anemia and easy bleeding.

At people with leukemia there are three types of lymphocytes they became abnormal:B lymphocytes that make antibodies to help fight infection,T lymphocytes that help B lymphocytes make the antibodies that help fight infection and natural killer cells that attack cancer cells and viruses.It is important for as to know the classification of these cells and their role.

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Cancer in any of its forms is known to the society as a condition of adults or elder persons; still it can occur at any age even during the care-free childhood period. Children diagnosed with cancer must rapidly grow up and learn hoe to face the illness as well as their parents that will have to be able to care for them.

The most common form of malignant tumors in children is the acute lymphocyte Leukemia and it is known to affect about 2500 pediatric patients every year. The acute forms of Leukemia develop rapidly and spread to the entire body in just a few months if left untreated. Knowing how to recognize the disease seems to be most important as Leukemia can lead to death in a very short time if not treated properly.

Leukemia develops inside the bone marrow and spreads to the lymph nodes, liver, spleen and nervous system. Cancerous marrow cells produce abnormal blood cells; insufficient or inefficient red blood cells lead to anemia, a low number of white blood cells leaves the body helpless to infections, and decreased number of platelets caused bruising and bleedings. General symptoms like headaches, weakness or vomiting also occur when the cancer reaches other main organs.

No way of prevention is known to us today as leukemia cannot be linked to any lifestyle factors. A good life expectation can only be reached if a doctor is seen immediately when symptoms occur and a proper treatment is quickly administered.

The most specific diagnose is the bone marrow biopsy when a small amount of marrow is extracted from the thighbone with a needle. The microscopic examination of the tissue can establish the presence of cancerous cells inside the bone marrow. Further analysis includes blood tests for searching changes in number and function of the three vital blood cells. In Leukemia a risen number of white cells are found together with a decreased number of red ones. Through the blood tests certain diagnose of the particular form of blood cancer can be established.

Cancer cells are dangerous as they divide very quickly and an efficient primer treatment with chemotherapy must stop their multiplication. More types of chemotherapeutics are required to kill all cancerous cells as Leukemia is known to spread very rapidly throughout the whole body. The drug therapy is a long-lasting process and can produce several side-effects such as hair loss, infections, tiredness, nausea, anorexia and vomiting.
New ways of therapy are searched that should only affect the cancerous cells unlike conventional drugs. The stem cells transplantation targeting to replace the lost marrow working cellularity seems to give hopeful results.

Blood cancer can reoccur and therefore a treatment with stem cells can give more effective results. If Leukemia cannot be treated, doctors try ways of making the patient’s life with cancer easier by relieving the symptoms. About 85% of the children that have survived 5 years without cancer reoccurring are considered to have been cured.

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One of the most important organ systems of the human body is the lymphatic or lymphoid system, which is a network of node-like structures located throughout the body. This system helps filter out bacteria and plays an important role in fighting diseases. However, just like any other organ system in the body, it is also vulnerable to developing cancers. Unfortunately, cancers that affect the lymphatic system can be dangerous, since lymph nodes are located all throughout the body. And just like leukemia, cancers involving the lymphoid system have the potential to spread.

Cancer of the Lymphoid System

Cancers that affect the lymphoid system are generally called lymphomas; the cells in the lymph nodes uncontrollably multiply, which results in the growth of a cancer mass. The different types of lymphomas are differentiated depending on the type of cell that multiplies and on how the cancer presents itself in the person. There are basically two types of lymphomas: Hodgkin’s disease and Non-Hodgkin’s Lymphoma. Among the two, Non-Hodgkin’s Lymphoma is the more common type of lymphoma.

Effects and Symptoms

Lymphoma also compromises the immune system of a person, as the cancer can hinder the lymph nodes from performing their function, which is primarily to help the body defend itself against disease. The symptoms of this disease are sometimes hard to determine because some of its symptoms also occur in non-cancer patients. One such symptom is an inflamed or enlarged lymph node, which could also mean that the body is just suffering from an infection.

Treatment

Lymphomas are treated with some of the same treatments used on other forms of cancer such as leukemia. Some of these treatments include chemotherapy, radiation therapy, and bone marrow transplants. All these treatments are aimed at fighting the cancer and at relieving some of its symptoms.

Just like other cancers, this cancer is also characterized by an increased growth of abnormal cells; the cells grow into a mass, and the treatments of this disease are aimed at killing these cancer cells and stopping their growth. Fortunately, the proper treatment and early detection of this type of cancer also increases the chances of beating the cancer.

e-Lymphoma.com Lymphoma provides detailed information on Lymphoma, Non Hodgkins Lymphoma, Hodgkins Lymphoma, Lymphoma Symptoms and more. Lymphoma is affiliated with i-BreastCancer.com Breast Cancer Symptoms.

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