Weather History for KMSP - October, 2015. This icon will show if stations have a snow accumulation reading. Not all stations report snow accumulation. This icon shows rain accumulation or the liquid equivalent in the case of snow, hail or sleet. It does not differentiate between different forms of precipitation such as rain, snow, hail or sleet.
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.
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.hen there is injury to any of the organs within the retroperitoneal space, pain and various sensations almost always will be felt in the patient's back. For example, in the case of an abdominal aortic aneurysm, a person often will complain of a tearing sensation in his or her back.