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Pleural parenchymal scarring

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My dad had a recent non-contrast CT done and the DR has not been very helpful in telling my mom and I what it really means. All he said is everything is ok, nodule has not changed in size. 1st, we were never told of a nodule before. 2nd, it sounds like a lot is going on in the CT. Any help in translating it report would be greatly appreciated. I have tried going on the web and looking up individual words to piece together what it says but this gets confusing. One site talks about Asbestosis exposure in the past which is possible and also past smoking which is true also, but he quite over 40 yrs ago.

There is a small right pleural effusion. 8 mm right middle lobe subpleural nodule is unchanged dating to prior CT performed 11/09/2007. There is paraseptal emphysema and bibasilar bronchiectasis. There is no new pulmonary parenchymal nodule or mass. There is BILATERAL
PLEURAL-PARENCHYMAL SCARRING, which appears SLIGHTLY MORE PROMINENT, compared to prior CT dated April 2008. The mediastinal lymph nodes are stable. Atherosclerotic calcifications are noted within the coronary arteries. The visualized upper abdominal structures are normal.
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First Helper doctor4life
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replied January 29th, 2009
Extremely eHealthy
The right diagnosis can be determined, only, if the biopsy of pleural scarring is performed, because same symptoms and CT scan result can be found in three different diseases, like asbestosis (chronic inflammatory disease, linked exclusively with asbestos exposure, even 40 years ago), pleural mesothelioma (cancer of lung membrane lining due to asbestos exposure) and lung cancer.
Emphysema is lung disease when lungs ability to expel air is impaired, resulting from lost lung elasticity.
Inhaled asbestos particles are known to cause this kind of damage.
Bronchectasis is condition of widened airways (bronchi) cause their wall structures (muscle and elastic fibers) are damaged.
This leads to very frequent, almost chronic lung infections and further damages.
Different chemicals, and, also, cigarettes smoke, can cause it.

Best wishes!
Marija
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replied September 4th, 2009
Hey there Daughter_Dear

Scarring of the pleura is also known as thickening of the pleura and occurs when the pleural cavity is inflamed due to asbestos fibers having gone in there, this might be the case of the scarring of the pleura. Scarring of the pleura, or thickening could occur due to a ton of reasons, some of which are:

- Bruise in the lungs or lung contusions that damage the capillaries and allow blood to flow in to surrounding tissues forcing them to become distressed or enlarged and accumulate blood under the layers of skin.

- Rheumatoid lung disease is a group of complications relating to rheumatoid arthritis which often houses fluid in the chest or ascites (pleural effusions), scarring of the lungs (pulmonary fibrosis) or high blood pressure in the lungs as well as formation of lumps or nodules in the lungs.

- Pulmonary embolism or the blockage of the main arteries of the lungs by a substance that has travelled through the blood stream (process of embolism). The main artery of the lungs can become blocked by deep veins or blood clots in the lungs or due to air/fat fluids.

- Tuberculosis which is an infectious disease caused by myco-bacteria that usually attack the lungs and tissues in the lungs but can also affect the central nervous system.

- Pleural effusions which is an abnormal build up of fluids in the pleural space that results from disruption of the equilibrium that exists across pleural membranes.
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replied September 4th, 2009
Hey there Daughter_Dear

Scarring of the pleura is also known as thickening of the pleura and occurs when the pleural cavity is inflamed due to asbestos fibers having gone in there, this might be the case of the scarring of the pleura. Scarring of the pleura, or thickening could occur due to a ton of reasons, some of which are:

- Bruise in the lungs or lung contusions that damage the capillaries and allow blood to flow in to surrounding tissues forcing them to become distressed or enlarged and accumulate blood under the layers of skin.

- Rheumatoid lung disease is a group of complications relating to rheumatoid arthritis which often houses fluid in the chest or ascites (pleural effusions), scarring of the lungs (pulmonary fibrosis) or high blood pressure in the lungs as well as formation of lumps or nodules in the lungs.

- Pulmonary embolism or the blockage of the main arteries of the lungs by a substance that has travelled through the blood stream (process of embolism). The main artery of the lungs can become blocked by deep veins or blood clots in the lungs or due to air/fat fluids.
This list courtesy of http://www.researchmalignantmesothelioma.c om

- Tuberculosis which is an infectious disease caused by myco-bacteria that usually attack the lungs and tissues in the lungs but can also affect the central nervous system.

- Pleural effusions which is an abnormal build up of fluids in the pleural space that results from disruption of the equilibrium that exists across pleural membranes.
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