Wednesday, March 3, 2010

Peritoneal Mesothelioma


Peritoneal mesothelioma is a primary malignant tumor characterized by diffuse invasion of peritoneal surfaces (the peritoneum has two layers, one outside the visceral lining of organs, the other wall lining the inner walls of the abdomen.)

The incidence of peritoneal mesothelioma has universally increased since 1970. In industrialized countries, its incidence is now estimated 0.5 to 3 cases per million inhabitants in men and 0.2 to 2 cases per million in women . Peritoneal mesothelioma represents 1 / 5 to 1 / 4 of all clinical forms of mesothelioma

The discovery is often linked to increased abdominal girth secondary to production of ascites or a tumor formation as well as non-specific abdominal pain. In 10% of cases reported is the formation of a symptomatic hernia. This method of finding the most common cancer in men. In women, the chance discovery during a laparoscopy is the most common.

The scanner thoraco-abdominal and pelvic examination is now morphological reference for diagnosis, staging and monitoring of peritoneal mesothelioma. It does however detect lesions greater than 5 mm and it underestimates the extension of intraperitoneal disease

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