'The World'

By Shellaine Enfesta

If the chest x-ray is suggestive of malignant mesothelioma, it is likely that further investigations will be ordered, especially if compensation may be sought.

These investigations may include additional imaging studies, blood tests, bone scans, and lung-function tests, as well as more invasive procedures such as thoracentesis, thoracoscopy, pleuroscopy or a lung biopsy. This is a typical mesothelioma diagnosis

Mesothelioma diagnosis can be done through chest x-ray. The typical abnormalities seen on chest x-ray in patients with malignant mesohtelioma are pleural effusion (a collection of fluid in the space between the 2 layers of the pleura), or it is called pleural thickening.

Unlike lung cancer, there is no association between mesothelioma and smoking Malignancies involving mesothelial cells in these spread cavities are known as malignant mesothelioma, which may be localized or diffuse. Mesothelioma is the word used to describe a cancerous tumor that involves the mesothelial cells of an organ, often the lungs, heart, or abdominal organs.

Mesothelioma diagnosis in this disease, malignant cells develop in the mesothelium, a protective lining that covers transcendently of the spread's internal organs. Greatest malignant mesothelioma set up complex karyotypes, with extensive aneuploidy and rearrangement of tons chromosomes.

Symptoms of mesothelioma may not appear until 20 to 50 years after exposure to asbestos. Mesothelioma diagnosis is often difficult, because the symptoms are similar to those of a number of other conditions. A history of exposure to asbestos may increase clinical suspicion for mesothelioma.

A physical examination is performed, followed by chest X-ray and often lung function tests. The X-ray may reveal pleural thickening commonly seen after asbestos exposure if mesothelioma diagnosis is done.

If the cancer has length beyond the mesothelium to other parts of the size, symptoms may include pain, trouble swallowing, or swelling of the neck or engage.
Symptoms of peritoneal mesothelioma include weight loss and cachexia, abdominal swelling and suffering due to ascites (a buildup of fluid in the abdominal cavity).


Exposure to airborne asbestos particles increases one's risk of developing malignant
mesothelioma.

Mesothelioma diagnosis of malignant mesothelioma has a peak incidence 35-45 years after asbestos exposure. Malignant mesothelioma is a rare type of cancer in which malignant cells are found in the sac lining the chest or abdomen. Most people with malignant mesothelioma have on worked on jobs where they breathed asbestos.

It can also occur in children; however, these cases are not thought to be associated with asbestos exposure.

Most people who develop mesothelioma get worked on jobs where they inhaled asbestos particles, or have been exposed to asbestos dust and fiber in other ways, such as by washing the clothes of a family member who worked with asbestos, or by home renovation using asbestos cement products.

Treatment options a mesothelioma diagnosis for the management of malignant mesothelioma includes surgery, chemotherapy, radiation, and multimodality treatment. Surgery in victims with disease confined to the pleural space is reasonable.

Extrapleural pneumonectomy is a more extensive procedure and has a higher mortality rate. Recently, the mortality rate has been lowered to 3.8%. It involves dissection of the parietal pleura; division of the pulmonary vessels; and en bloc resection of the lung, pleura, pericardium, and diaphragm followed by reconstruction. It provides the greatest local control because it removes the entire pleural sac along with the lung parenchyma.

The 2 surgical procedures used are pleurectomy with decortication and extrapleural pneumonectomy.
Surgical resection has been relied upon because radiation and chemotherapy get hold of been ineffective unequivocal treatments. There are now a number of cancer treatment options open to mesothelioma patients. Extrapleural pneumonectomy for selected victims with very early stage disease may expand recurrence-free survival, but the impact it has on overall survival is unknown at this time.

Mesothelioma diagnosis can be intimidating and can scare a lot of people, but mesothelioma diagnosis may give you a fighting chance if can be diagnose early. So do yourself a favor if you think that what you are suffering from and had worked in an asbestos related workplace.

The purpose of such investigations in mesothelioma diagnosis is to confirm and to determine the type of mesothelioma, to 'stage' the disease (measure how severe it is), and so to assess whether the disease is operable.

By Ruth Bird

When Dana Reeve, widow of actor Christopher Reeve, died of lung cancer, the stories of her death pointed out that she didn't smoke. She was young, only 44; she had nursed her paralyzed husband for eight years; she left a

13-year-old son an orphan. And how could she have gotten lung cancer? She had never smoked.Lung cancer is often preventable, and it is usually fatal.

Unfortunately I will also become a victim of this disease. Not for myself, but a victim because I am a friend of a lung cancer person. One of my very dearest friends will undergo a lung operation this coming Tuesday.


Be cautious of any information or claims obtained from unmonitored sources, in particular the Internet. The Internet can be an empowering source of information, but a healthcare professional should be consulted before making medical decisions.

What is cancer?

Cancer is a disease that starts in our cells. Our bodies are made up of millions of cells, grouped together to form tissues or organs. Genes inside each cell order it to grow, work, reproduce and die.

Normally, our cells remain healthy. Sometimes a cell's instructions get mixed up and it behaves abnormally. After a while, groups of abnormal cells can circulate in the blood or immune system, or they can form lumps or tumours.

Tumours can be either benign (non-cancerous) or malignant (cancerous). Benign tumour cells stay in one place in the body and are not usually life-threatening.

Malignant tumour cells are able to invade the tissues around them and spread to other parts of the body. Cancerous cells that spread to other parts of the body are called metastases. The first sign that a malignant tumour has spread is often swelling of nearby lymph nodes, but cancer can metastasize to almost any part of the body. It is important to find malignant tumours early and treat them.

Cancers are named after the part of the body where they start. For example, cancer that starts in the colon but spreads to the liver is called colon cancer with liver metastases.

There are four main types of lung cancer: small cell lung cancer, squamous cell carcinoma, large cell carcinoma and adenocarcinoma. Tobacco smoking is strongly linked to the first three but only weakly linked to adenocarcinoma. However, this type of lung cancer has been linked to the use of low-tar cigarettes.

The best means of prevention is to never start smoking or using chewing tobacco, or to stop using tobacco products. A healthy diet is an important part of prevention.

The outlook varies by cell type and stage of the disease. In general, the prognosis is better for squamous cell cancers than for adenocarcinomas. Early detection is key to better chances of survival.


According to the American Lung Association, 87 percent of lung cancer cases are caused by smoking. Another 12 percent are linked to radon exposure.

Only 15 percent of people diagnosed with the disease will still be alive five years after the diagnosis; 60 percent die within the first year. What is Chemoprevention? For individuals who demonstrate the greatest risk, researchers are currently conducting several new trials to test the use of natural and synthetic substances to prevent development of the disease. This new research has been coined, chemoprevention.

The National Cancer Institute's (NCI) chemoprevention research effort started in the early 1980s and has grown considerably since that time. Currently, approximately 400
compounds are being studied as
potential chemopreventive agents, mainly in laboratory research. Over 40 of these compounds are being studied in clinical trials (research studies with people). Some of these agents are being investigated as single agents; others are being tested in combinations of two drugs. Chemoprevention trials look at possible ways to prevent cancer with interventions that include drugs, vitamins, diet, hormone therapy, or other agents.

The American Cancer Society (ACS) has set aggressive challenge goals for the nation to decrease cancer incidence and mortality--and to improve the quality of life of cancer survivors--by the year 2015. To address these critical goals, the ACS publishes the Nutrition and Physical Activity Guidelines to serve as a foundation for its communication, policy, and community strategies and ultimately, to affect dietary and physical activity patterns among Americans.

These guidelines, published every five years, are developed by a national panel of experts in cancer research, prevention, epidemiology, public health, and policy, and as such, they represent the most current scientific evidence related to dietary and activity patterns and cancer risk.

The ACS guidelines are consistent with guidelines from the American Heart Association for the prevention of coronary heart disease as well as for general health promotion, as defined by the Department of Health and Human Services' 2000 Dietary Guidelines for Americans.

In 2006 there will be an estimated 174,470 new cases of lung cancer and an estimated 162,460 Americans will die from the disease.

The American Cancer Society offers support and hope for people diagnosed with lung cancer and their families as well as resources to help smokers quit 24 hours a day, 7 days a week, including its own Quitline, which since its launch in May 2000 has provided services to more than 150,000 callers. For more information, call 800-ACS-2345 or visit www.cancer.org.

Lung cancer chemoprevention - Why does it not work?From the National Cancer Center.

Common wisdom is that vitamin in fruits and vegetables prevent cancer. However, trials of supplementing vitamins like vitamin A analogues (retinoids: beta-carotene, retinol, retinyl palmitate, or isotretinoin) or vitamin E (alpha-tocopherol), did not prevent lung cancer in smokers. Randomised trials in all the three settings: primary (healthy high-risk e.g. smokers), secondary (pre-malignant lesions), and tertiary (prevention of second primary tumours in previously treated patients), have produced negative results (either neutral or harmful).

Chemoprevention trials were prompted by relationship between diet and lung cancer. Diet rich in foliage vitamins was protective against lung cancer - as demonstrated in a recent Dutch study of 939 patients. Similarly, higher blood level of ß-carotene is linked to a lower risk of lung cancer. Nonetheless, intervention trials failed to show a reduced risk in lung cancer by consuming ß-carotene. A phase III trial, the Alpha-Tocopherol, Beta-Carotene (ATBC) [beta-carotene (20 mg/d), alpha-tocopherol (50mg/d)] indicated significant increases in lung cancer incidence (18%) and no effect on lung cancer mortality (risk ratio, 0.99).

Another study, CARET, had a 28% increase in lung cancer with vitamin treatment. Similarly, in both Euro-scan and the US-Lung Intergroup Trial (both testing retinoids in tertiary prevention), results were neutral.

Disclaimer: please. Any information is for general entertainment and educational purposes only, and should not be construed as medical advice, medical opinion, diagnosis or treatment. Any information provided by this web site is not a substitute for actual medical attention. Always promptly consult your licensed health-care professional for medical advice and treatment.

By Art Gib

Radiation therapy takes on several forms. Beam application, which is the most common one, involves targeting and bombarding a tumor with subatomic particles. The particles will simply pass through the skin invisibly and into the tumor, disrupting and often destroying the malignant cells

The trick is to be as accurate and precise with the beam as possible, not only with where it's targeted, but by regulation the strength of the beam particles sent through. Radiation beam tools used by the radiation oncologist of yesteryear were unwieldy. They would often find success in controlling or stopping some cancer, but also they would discover destroyed surrounding tissue, which sometimes caused secondary cancer development created by the treatment.

With the culmination of targeting tools and software, as well and refining the actual beam application, radiation oncology has become more effective and more sought by future radiation oncologist MDs.

IMRT and IGRT Beam Technology

The intensity-modulated radiation treatment uses electron beam accelerators that regulate their strengths when passing through the patient's body, concentrating the power of the beam on the tumor while avoiding most healthy tissue surrounding. The
radiation oncologist will normally use a CT scanner to get a 3-D image of the tumor and
input that software so the machine can plan its road map.

Since the particle beams go through healthy tissue to get to the tumor normally, the healthy tissue it passes through has to be as unharmed as possible. To help avoid this, the IMRT machine will come at the tumor from multiple angles at once. Each beam is described as pencil-thin beams of light that converge on the tumor. They will converge as they meet the tumor which will concentrate the particle's power on the mass.

The Image Guided Radiation Therapy technique (IGRT) is basically a step up from the IMRT. It is currently filling many clinical offices and the popularity is gaining among the radiation oncology field. It's big right now because it has technology that can feed the computer real-time information gathered from the CT scanner, ultrasound machine or x-ray.

The reason real-time information is needed is because often, when a tumor is targeted and mapped in the doctor's office and sent to the IMRT machine to go to work, the organs and internals within the patient do shift a little. This can create some margin of error when the work is performed.

With IGRT the radiation oncologist or other clinician can run an imaging scan while having the particle accelerator follow that scan's live image. This leaves more healthy tissue that can stay unscathed in the process.