MESOTHELIOMA

CT scan of a patient with mesothelioma, coronal section (the section follows the plane that divides the body in a front and a back half). The mesothelioma is indicated by yellow arrows, the central pleural effusion (fluid collection) is marked with a yellow star. Red numbers: (1) right lung, (2) spine, (3) left lung, (4) ribs, (5) descending part of the aorta, (6) spleen, (7) left kidney, (8) right kidney, (9) liver.

Malignant mesothelioma is a rare type of cancer that occurs in the thin layer of cells lining the body’s internal organs, known as the mesothelium. There are three recognized types of mesothelioma. Pleural mesothelioma is the most common form of the disease, accounting for roughly 70% of cases, and occurs in the lining of the lung known as the pleura. Peritoneal mesothelioma occurs in the lining of the abdominal cavity, known as the peritoneum and pericardial mesothelioma originates in the pericardium, which lines the heart. The only recognized cause of mesothelioma is exposure to asbestos, though other factors such as smoking can make the disease more or less likely in some individuals. Industrial laborers were widely subjected to asbestos exposure on the job, as the material was widely used throughout the 20th century. Few of these workers knew they were being exposed to asbestos, however, despite the fact that many manufacturers were aware the material was hazardous. In most cases, mesothelioma symptoms will not appear in an individual exposed to asbestos until many years after the exposure has occurred. Those who believe they may have been exposed to asbestos should fill out our form to receive a free mesothelioma information packet, detailing treatment options, emerging therapies, and jobsite exposure information.