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Peritoneal based Malignancies

Peritoneal based Malignancies - What it is

​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
• Malignant mesothelioma
• Primary Peritoneal Cancer

Tumours that may spread to the peritoneal lining
• Ovarian cancer
• Carcinoma of the appendix/ Pseudomyxoma Peritonei (PMP)

*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.

• Colorectal Cancer
• Stomach Cancer
• Pancreatic Cancer
• Gallbladder Cancer

Peritoneal based Malignancies - How to prevent?

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Information provided by Singhealth