The peritoneum is a thin membrane that lines the abdominal and pelvic cavities. It covers the external surface of most of the abdominal organs. The peritoneum supports the abdominal organs and serves as a conduit for their blood, lymph vessels and nerves.
Peritoneal surface malignancy refers to a wide variety of cancers that involve the peritoneum and may also involve other abdominal organs such as spleen, large and small intestines, stomach, the liver capsule and the pelvic organs (e.g. uterus, ovaries rectum, bladder). The tumours may arise from the lining itself or may spread to the lining from other organs.
Tumours that arise from the peritoneum
Tumours that may spread to the peritoneal lining
*PMP is a unique condition characterized by diffuse collections of mucinous material in the abdomen and pelvis and mucinous implants on the peritoneal surfaces. It is generally used to refer to a group of peritoneal tumors that are frequently associated with an appendiceal tumour.
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