Disease Information for Retroperitoneal hematoma: Definition

  • Retroperitoneal hemorrhage : accumulation of blood in the retroperitoneal space.

    The retroperitoneal space : is the anatomical space in the abdominal cavity behind the peritoneum. It has no specific delineating anatomical structures. Organs are retroperitoneal if they have peritoneum on their anterior side only. Structures that are not suspended by mesentery in the abdominal cavity and that lie between the parietal peritoneum and abdominal wall are classified as retroperitoneal.

    The retroperitoneum is a large space bounded :

    Anteriorly , by the posterior parietal peritoneum .

    Posteriorly , by the transversalis fascia .

    Superiorly , by the diaphragm.

    Inferiorly , it extends to the level of the pelvic brim .