Working with asbestos is the major risk factor for mesothelioma. A history of asbestos exposure exists in almost all cases. However, mesothelioma has been reported in some individuals without any known exposure to asbestos. In rare cases, mesothelioma has also been associated with irradiation, intrapleural thorium dioxide (Thorotrast), and inhalation of other fibrous silicates, such as erionite.
Asbestos is the name of a group of minerals that occur naturally as masses of strong, flexible fibers that can be separated into thin threads and woven. Asbestos has been widely used in many industrial products, including cement, brake linings, roof shingles, flooring products, textiles, and insulation. If tiny asbestos particles float in the air, especially during the manufacturing process, they may be inhaled or swallowed, and can cause serious health problems. In addition to mesothelioma, exposure to asbestos increases the risk of lung cancer, asbestosis (a noncancerous, chronic lung ailment), and other cancers, such as those of the larynx and kidney.
The combination of smoking and asbestos exposure significantly increases a person's risk of developing cancer of the airways (lung cancer, bronchial carcinoma). The Kent brand of cigarettes used asbestos in its filters for the first few years of production in the 1950s and some cases of mesothelioma have resulted. Smoking modern cigarettes does not appear to increase the risk of mesothelioma.
Some studies suggest that simian virus 40 (SV40) may act as a cofactor in the development of mesothelioma.
Thursday, August 20, 2009
Epidemiology - Risk Factors
Thursday, August 13, 2009
More About This Asbestos Cancer
Cancers and added forms of diseases are usually called according to the allotment of
the anatomy or the centralized agency area aberrant advance of cancerous beef takes
place. In the case of Mesothelioma, the aberrant beef abound in the mesothelium,
a apparent corpuscle band that covers and protects best centralized organs. Normally,
the mesothelium produces baby bulk of aqueous in adjustment to anoint its
layersone of which anon covers the organand acquiesce the movement of the
organs, like the amplification and abbreviating of the lungs. A Mesothelioma cancer
patients mesothelium produces too abundant of this lubricating fluid, thereby
damaging adjacent tissues and organs. The best accepted anatomy of Mesothelioma is
Pleural Mesothelioma, which begins in the Pleural or Peritoneum, the membrane
that curve the chest atrium and covers the lungs. About 2,000 cases of
Mesothelioma accept been acclaimed annual in United States. This is still a rare
disease to consider, although the appear incidents accept escalated in the past
two decades. It has been empiric and accurate that abundant and continued acknowledgment to
asbestos is the prime account of Mesothelioma. Asbestos is a accumulation of minerals in
strong, adjustable and coarse form. It is acclimated in automated articles such as
cement, anchor linings, textiles, electrical insulation, attic products,
chemical filters, fireproofing abstracts and others. This explains why most
Mesothelioma patients are alive in architecture sites, shipyards and
manufacturing companies of said automated products. Baby asbestos particles
float in the air and are either inhaled or swallowed by workers or persons
within the vicinity. Aside from Mesothelioma, these bodies can acquire
asbestosis, a non-cancerous abiding lung affection and added forms of blight of
the lungs, blight of the larynx and kidney. Asbestos-related Mesothelioma
comprise alone 70 to 80 percent of the all the appear cases of the said cancer.
There are appear Mesothelioma cases wherein the patients did not accept any
known acknowledgment to asbestos. Some accept been apparent alone for a abbreviate aeon of
time but still developed the blight 20 to 50 years afterwards the exposure, like in
the case of a Mesothelioma blight accommodating who alone done clothes that accept been
exposed to asbestos. Likewise, asbestos fibers that accept been ashore in the hair
strands of a branch artisan can additionally accident the bloom of others whom he lives
with. It is accordingly important for workers apparent to asbestos to change their
clothes and booty a battery afore abrogation the abode to anticipate his family
members or assembly from inhaling the asbestos particles and thus, from
acquiring Mesothelioma. The Mesothelioma blight is slow-forming. Thats why one
develops the blight so abounding years afterwards the acknowledgment to asbestos. Some develop
the blight fifty years afterwards the exposure, which makes it adamantine to determine
whether the being has Mesothelioma or not, abnormally back the accommodating has no
knowledge of the acknowledgment to asbestos. Moreover, cancerous Mesothelioma shows
signs agnate to those of added ailments such as pneumonia. Affection of Pleural
Mesothelioma additionally axiomatic in added illnesses include: conciseness of breath,
persistence of cough, weight accident and chest pain. Peritoneal Mesothelioma, which
affects the belly cavity, is adumbrated by abscess of and affliction in the
abdomen, weight loss, bowel obstruction, anemia, claret array abnormalities
and fever. Complete concrete assay is bare to accomplish abiding one has
Mesothelioma cancer. This includes xrays of the anatomy allotment area the affection are
felt or seen, CT browse and MRI. To affirm Mesothelioma, a biopsy is also
performed by a surgeon or oncologist (a physician who is specializing in the
diagnosis and analysis of a cancer). The sample tissue removed by the surgeon
is advised by the pathologist. Once confirmed, the doctor again finds out the
extent of the cancer, which is acute to the analysis of Mesothelioma.
Although malignant, Mesothelioma back beforehand diagnosed can still be treated.
Most Mesothelioma patients abide surgery, radiation analysis and chemotherapy.