Pleural plaques are the bilateral and frequently calcified sections of fibrosis. They are usually present in the inner surface of diaphragm and ribs. Pleural plaques do not lead to cancer and are thus are benign in nature. These can be seen in two ways: en face or profile. The plaques that are en face have an ill defined murkiness along with irregular margins. Whereas in profile, the picture is totally different because here the plaques are seen as smooth opacities that lie parallel to the chest wall. These are generally one centimeter thick.
Most of the pleural plaques are found in the middle portion of the chest wall amid 7th and the 10th ribs. They are numerous and follow the contours of the rib. They can be found adjoining the aponeurotic portion of the vertebral column and the diaphragm. There are obvious symptoms that can occur due to pleural plaques. However, they may cause tremendous pain in some patients. Another common symptom may be breathlessness or weakened lung function.
Pleural plaques usually occur because of prolonged exposure to asbestos. They develop within a time span of less than 10 years. These may also in some cases though rare occur in persons who have limited exposure to asbestos.
