Retroperitoneal masses is a condition in which there are growths or tumors that develop behind the peritoneum, a membrane that covers most of the abdominal organs.
Causes. Retroperitoneal fibrosis occurs when extra fibrous tissue forms in the area behind the stomach and intestines. The tissue forms a mass (or masses) that can block the tubes that carry urine from the kidney to the bladder. The cause of this problem is not known. It is most common in people aged 40 - 60. Retroperitoneal fibrosis is a disorder in which inflammation and extensive scar tissue (fibrosis) occur in the back of the abdominal cavity, behind (retro-) the membrane that surrounds the organs of the digestive system (the peritoneum). This area is known as the retroperitoneal space. Retroperitoneal organs and structures include the pancreas. Retroperitoneal refers to the back of the peritoneum, the membrane that lines the anatomical space in the abdominal cavity. Kidney stones may cause pain to the organs within the retroperitoneal space. A diagram of the aorta, a retroperitoneal structure. Peritoneal is a term referring or relating to a structure in the abdomen known as the peritoneum. Retroperitoneal, therefore, is a term meaning behind, in back of or posterior to the peritoneum, which is a membrane that serves as a lining for the anatomical space in the abdominal cavity. Retroperitoneal masses: Introduction. Retroperitoneal masses: Retroperitoneal masses is a condition in which there are growths or tumors that develop behind the peritoneum, a membrane that covers most of the abdominal organs.
https://www.nlm.nih.gov/medlineplus/ency/article/000463.htm http://ghr.nlm.nih.gov/condition/retroperitoneal-fibrosis http://www.wisegeek.com/what-is-retroperitoneal.htm http://www.wisegeek.com/what-is-retroperitoneal.htm http://www.rightdiagnosis.com/sym/retroperitoneal_masses.htm
what is a retroperitoneal mass definition