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  2. Retroperitoneal fibrosis - Wikipedia

    en.wikipedia.org/wiki/Retroperitoneal_fibrosis

    The diagnosis of retroperitoneal fibrosis cannot be made on the basis of the results of laboratory studies. CT is the best diagnostic modality: [25] a confluent mass surrounding the aorta [6] and common iliac arteries can be seen. On MRI, it has low T1 signal intensity and variable T2 signal.

  3. Abdominal mass - Wikipedia

    en.wikipedia.org/wiki/Abdominal_mass

    An abdominal mass is any localized enlargement or swelling in the human abdomen.Depending on its location, the abdominal mass may be caused by an enlarged liver (hepatomegaly), enlarged spleen (splenomegaly), protruding kidney, a pancreatic mass, a retroperitoneal mass (a mass in the posterior of the peritoneum), an abdominal aortic aneurysm, or various tumours, such as those caused by ...

  4. IgG4-related disease - Wikipedia

    en.wikipedia.org/wiki/IgG4-related_disease

    IgG4-related disease (IgG4-RD), formerly known as IgG4-related systemic disease, is a chronic inflammatory condition characterized by tissue infiltration with lymphocytes and IgG4-secreting plasma cells, various degrees of fibrosis (scarring) and a usually prompt response to oral steroids.

  5. Paracolic gutters - Wikipedia

    en.wikipedia.org/wiki/Paracolic_gutters

    There are two paracolic gutters: The right lateral paracolic gutter. The left medial paracolic gutter. The right and left paracolic gutters are peritoneal recesses on the posterior abdominal wall lying alongside the ascending and descending colon.

  6. Retroperitoneal space - Wikipedia

    en.wikipedia.org/wiki/Retroperitoneal_space

    The retroperitoneal space (retroperitoneum) is the anatomical space (sometimes a potential space) behind (retro) the peritoneum. It has no specific delineating anatomical structures. It has no specific delineating anatomical structures.

  7. Abdominal compartment syndrome - Wikipedia

    en.wikipedia.org/wiki/Abdominal_compartment_syndrome

    SIRS leads to leakage of fluid out of the capillary beds into the interstitial space in the entire body with a profound amount of this fluid leaking into the gut wall, mesentery and retroperitoneal tissue. Abdominal compartment syndrome follows a destructive pathway similar to compartment syndrome of the extremities. When increased compression ...

  8. Retroperitoneal bleeding - Wikipedia

    en.wikipedia.org/wiki/Retroperitoneal_bleeding

    Retroperitoneal bleeding is an accumulation of blood in the retroperitoneal space. Signs and symptoms may include abdominal or upper leg pain , hematuria , and shock . It can be caused by major trauma or by non-traumatic mechanisms.

  9. Retroperitoneal lymph node dissection - Wikipedia

    en.wikipedia.org/wiki/Retroperitoneal_Lymph_Node...

    Retroperitoneal lymph node dissection (RPLND) is a surgical procedure to remove abdominal lymph nodes. It is used to treat testicular cancer , as well as to help establish the exact stage and type of the cancer.