Pulmonary nodules are round spots less than 3 cm in diameter, or a little over 1 inch. Seen in the lungs on chest X-rays or CT scans, pulmonary nodules appear on around one in 500 X-rays, the University of Rochester reports. Nodules on the lungs...
Benign lung nodules are small, noncancerous masses of tissue typically discovered incidentally on a chest X-ray or CT scan. One out of every 500 to 1,000 chest X-rays reveals an unexpected lung nodule. The chance of finding a lung nodule is even...
Sometimes chest x-rays and other imaging techniques identify multiple pulmonary nodules. These are lesions in the lungs with a multitude of possible causes. If the cause of these nodules is not already known, their presence on imaging indicates...
The high content of air in the lungs gives them a nearly transparent appearance on chest X-rays and CT scans. In contrast, areas of solid tissue within the lungs appear as white spots with these imaging techniques. A spot on the lung is an...
Pulmonary nodules are small round or oval spots on one or both of the lungs that are less than 3 cm in diameter, according to the University of Colorado Hospital. Though a pulmonary nodule can be a sign of lung cancer, National Jewish Health...
Spots on the lungs as revealed by a chest x-ray are usually indicators of some type of lung disease. Chest x-rays that reveal spots or lesions of the lung tissue involve the structure of the lung tissue. Scarring or inflammation of the tissue make...
The lungs are shaped like large, spongy, slightly concave cones on either side of the chest cavity. Made of multitudes of air sacs, they are lightweight and elastic. The right lung is larger than the left and has three lobes; the left lung has two...
As the CT scan became more popularly available, people tried to expand its use from a diagnostic tool to a screening tool. The use of CT scans in screening smokers for lung cancer became particularly controversial. Since 85 percent of all lung...
As early as the 17th century and increasingly with the rise of the Industrial Revolution in the 18th century, coal miners became aware of an occupational hazard: the development of lung disease. Not only is breathing dust hard on the lungs but...
In the lungs, the largest tubes, known as bronchi, subdivide into millions of smaller and smaller tubes. The smallest tubes have thin walls and are adjacent to blood vessels, allow oxygen and carbon dioxide to exchange between the lungs and the...
Lung cancer is the leading cause of death among both men and women in the United States, according to the Mayo Clinic. Should you begin displaying symptoms, such as coughing up blood, shortness of breath and a chronic cough, undergo testing as...
A pulmonary nodule is a small lesion found incidentally in about one out of every 500 chest x-rays, according to the University of Rochester Medical Center. Most pulmonary nodules are benign, but they can represent early cancer. It is important to...
Rheumatoid arthritis is an inflammatory disease that primarily affects the body's joints. However, it may also have significant effects on the lungs. Chronic inflammation can lead to scarring of lung tissue, swelling of the tissue lining the...
Rheumatoid arthritis is an inflammatory disease characterized by flare-ups and periods of remission. It is a systemic disease and therefore can affect any part of the body. However, its effects are typically seen in the small joints of the...
Nodules are solid or fluid-filled lumps that form within the region affected. Nodules are commonly associated with thyroid conditions but also appear in the lungs or on the skin. The American Academy of Family Physicians notes that thyroid nodules...
A biopsy of the lungs is a diagnostic procedure during which a doctor removes a small portion of the lung tissue for further evaluation. Typically, this test is performed on patients with suspected lung disease or infection, such as lung cancer or...
Exposure to viruses, bacteria, bites and irritants can all cause changes in the skins appearance, color and texture. Many rashes go away on their own, while others require treatment by a medical professional.
Water belly altitude disease, also known as ascites, results in the fluid build-up in the abdomen of birds, particularly chickens. While exacerbated at high altitude, chickens reared at moderate and low altitude can also develop the disease. While...
Rheumatoid arthritis (RA) is a systemic, inflammatory, autoimmune disease primarily affecting the joints. It is an extremely painful illness, often resulting in disfigurement and destruction of joints. The Centers for Disease Control and...
The lungs can be divided up into basic tissue types. The airways are responsible for transmitting gases between the lungs and the environment. The alveoli are millions of tiny sacs in the lungs that exchange gases between the lungs and the blood....
Interstitial lung disease, ILD or pulmonary fibrosis, includes more than 200 chronic disorders of the lungs, according to the University of Chicago Medical Center. The term applies to scarring of the tissue in the lungs surrounding the air sacs....
Rheumatoid arthritis is an autoimmune disease, which means it is caused by a malfunction in your body's immune system, causing what are usually protective functions to overreact. Unlike osteoarthritis, which generally affects individual joints...
In medicine, compliance and elasticity are different ways to describe how stretchy, springy or flexible something is. The more compliant the lungs are, the more they are able to stretch in response to a force, and the lower the compliance, the...
Black lung, also referred to as coal workers' pneumoconiosis, occurs from breathing the dust from coal or graphite, especially while mining. Long-term exposure increases the risk of inhaling dust and causes scarring of the lungs. Once dust is...
Black lung, also known as coal workers’ pneumoconiosis, describes a lung disease caused by the inhalation of coal dust or graphite. Initially, coal dust in the lungs causes few problems. Over time; however, the dust accumulates in the lungs,...
Chicken pox is also known as varicella. It is caused by a virus known as varicella-zoster. This is the same virus that causes shingles, also known as zoster. It is in the family of viruses known as human herpesviridae, or HHV. These are viruses...
Tuberculosis is a contagious disease that primarily affects the pulmonary system and causes a chronic cough, chest pain and sometimes the coughing up of blood. People with an active infection can infect others by coughing, sneezing, and talking....
Tuberculosis, an airborne disease caused by Mycobacterium tuberculosis, primarily affects the lungs though it can spread to other organs. More than 13,000 new cases of tuberculosis, or TB, were reported in the United States in 2007, according to...
The kidney is a vital organ. Without at least one properly functioning kidney, the human body cannot survive. Many different diseases affect how the kidney works and some, like diabetes and hypertension, can even lead to end stage renal disease,...
