What is the organ located into the retroperitoneal space?

The retroperitoneal space contains the kidneys, adrenal glands, pancreas, nerve roots, lymph nodes, abdominal aorta, and inferior vena cava.

What is the retroperitoneal compartment?

The retroperitoneal space (retroperitoneum) is the anatomical space (sometimes a potential space) behind (retro) the peritoneum. It has no specific delineating anatomical structures. Organs are retroperitoneal if they have peritoneum on their anterior side only.

What does retroperitoneal mass mean?

Retroperitoneal tumors are lesions with diverse pathological subtypes that originate from the retroperitoneal space; ~40% of these tumors are benign. Due to such lesions often surrounding and associating with vital abdominal blood vessels, a complete surgical resection is difficult.

Which organ is not in the retroperitoneum?

the head, neck, and body of the pancreas (but not the tail, which is located in the splenorenal ligament) the duodenum, except for the proximal first segment, which is intraperitoneal. ascending and descending portions of the colon (but not the transverse colon, sigmoid or the cecum)

What parts of colon are retroperitoneal?

The appendix, transverse colon, and sigmoid colon have a mesentery (called mesoappendix, transverse mesocolon and sigmoid mesocolon, respectively), but the ascending colon and descending colon and the rectum and anal canal are retroperitoneal; the cecum does not have its own mesentery but is covered in all aspects by …

What are the three retroperitoneal organs?

Retroperitoneal Organs

  • S = Suprarenal (adrenal) Glands.
  • A = Aorta/IVC.
  • D =Duodenum (except the proximal 2cm, the duodenal cap)
  • P = Pancreas (except the tail)
  • U = Ureters.
  • C = Colon (ascending and descending parts)
  • K= Kidneys.
  • E = (O)esophagus.

What is the most common site for retroperitoneal infections?

Retroperitoneal perforation of the gastrointestinal (GI) tract, involving the ascending and descending colon, rectum, and duodenum often causes retroperitoneal infection given the special anatomic relation of the GI tract with the extraperitoneal space.

What is retroperitoneal bleed?

Retroperitoneal bleeding occurs when blood enters into space immediately behind the posterior reflection of the abdominal peritoneum. The organs of this space include the esophagus, aorta, inferior vena cava, kidneys, ureters, adrenals, rectum, parts of the duodenum, parts of the pancreas, and parts of the colon.

What causes retroperitoneal mass?

Retroperitoneal masses constitute a heterogeneous group of lesions, originating in the retroperitoneal spaces, that pose a diagnostic challenge for radiologists(1). The majority of cases are malignant tumors, of which approximately 75% are mesenchymal in origin(2-4).

Which parts of colon are retroperitoneal?

What lymph nodes are considered retroperitoneal?

Retroperitoneal nodes of the abdomen comprise the inferior diaphragmatic nodes and the lumbar nodes. The latter are classified as left lumbar (aortic), intermediate (interaorticovenous), and right lumbar (caval). These nodes surround the aorta and the inferior vena cava.