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Peritoneal Cavity
Jade Wong-You-Cheong, MBChB, MRCP, FRCR
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TERMINOLOGY

  • Definitions

    • Peritoneal cavity: Potential space in abdomen between visceral and parietal peritoneum, usually containing only small amount of peritoneal fluid (for lubrication)
    • Abdominal cavity: Not synonymous with peritoneal cavity
      • Contains all of abdominal viscera (intra- and retroperitoneal)
      • Limited by abdominal wall muscles, diaphragm, and (arbitrarily) pelvic brim

GROSS ANATOMY

  • Divisions

    • Compartments

      • Peritoneum

        • Mesentery

          • Omentum

            • Ligaments

              • Folds

                • Peritoneal Recesses

                  ANATOMY IMAGING ISSUES

                  • Imaging Recommendations

                    Related Anatomy
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                    Related Differential Diagnoses
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                    References
                    Tables

                    Tables

                    TERMINOLOGY

                    • Definitions

                      • Peritoneal cavity: Potential space in abdomen between visceral and parietal peritoneum, usually containing only small amount of peritoneal fluid (for lubrication)
                      • Abdominal cavity: Not synonymous with peritoneal cavity
                        • Contains all of abdominal viscera (intra- and retroperitoneal)
                        • Limited by abdominal wall muscles, diaphragm, and (arbitrarily) pelvic brim

                    GROSS ANATOMY

                    • Divisions

                      • Compartments

                        • Peritoneum

                          • Mesentery

                            • Omentum

                              • Ligaments

                                • Folds

                                  • Peritoneal Recesses

                                    ANATOMY IMAGING ISSUES

                                    • Imaging Recommendations