Peritoneal Malignancy refers to cancers/tumours that have originated in or spread within the abdominal cavity, such as appendix cancer, colon or rectal cancer, gastric and ovarian cancer, and very rare conditions such as Pseudomyxoma peritonei (PMP), peritoneal mesothelioma, and primary peritoneal cancer

What is the peritoneum?

The peritoneum is a clear lining which covers both organs within the abdomen and the wall of the abdomen.

It has 2 layers.
- One layer lines the abdominal wall and is called the parietal layer.
- The other layer covers the organs and is called the visceral layer.

There is a small amount of fluid between the two layers, which separates them and allows them to slide over each other.

This fluid allows us to move around without causing any friction on the layers.

Simply if one imagines a room like the inside of an abdominal cavity. The organs are the furniture, and the peritoneum covers both the organs and also the abdominal wall, like lining or wall paper

Umar Shariff
Consultant Surgeon
General, Colorectal & Peritoneal Surgery
Good Hope Hospital
University Hospitals Birmingham NHS Foundation Trust, and BMI The Priory and Edgbaston Hospitals.

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