Hepatorenal recess of subhepatic space

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Hepatorenal recess of subhepatic space (or Morison's pouch)
File:Ultrasound Scan ND 0110145312 1505060.png
Details
Latin Recessus hepatorenalis,
recessus subhepatici
Identifiers
TA Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value).
TH {{#property:P1694}}
TE {{#property:P1693}}
FMA {{#property:P1402}}
Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]

The hepatorenal recess[1] (subhepatic recess, pouch of Morison or Morison's pouch) is the space that separates the liver from the right kidney. As a potential space, the recess is not filled with fluid under normal conditions. However, fluid can collect in this space in circumstances where the abdomen fills with fluid, such as hemoperitoneum. This fluid may be seen on ultrasound or computed tomography (CT scan).

Clinical importance

Since it is a potential space, the hepatorenal recess is not normally filled with fluid. However, this space becomes significant in conditions in which fluid collects within the abdomen (most commonly ascites and hemoperitoneum). The intraperitoneal fluid, be it blood, ascites, or dialysate, collects in this space and may be visualized, most commonly via ultrasound or computed tomography (CT) scanning. As little as 30 or 40 ml of fluid in the abdominal cavity may be visualized in this space.

Early visualization of fluid in the hepatorenal recess on FAST scan may be an indication for urgent laparotomy.[2]

Etymology

The hepatorenal recess is also called the pouch of Morison, or Morison's pouch, after the British surgeon James Rutherford Morison.[3]

Additional images

  • Morrisons-normal.jpg

    A normal ultrasonographic view of Morison's pouch. The bright line is the capsule of the kidney; there is no fluid present and hence no visible space.

  • MorisonNoText.png

    Ultrasound of liver (left side of the image) and right kidney (right side of the image) and Morison's pouch, not containing fluid.

  • Abdominal CT, showing Morison's pouch as the dark margin surrounding the right kidney (at lower left corner of image).

  • Morison003.jpg

    Ultrasonographic view of the abdomen demonstrating fluid within Morison's pouch.

  • Morrisons-with-fluid.jpg

    Morison's pouch with fluid present (at red arrows).

  • Ultrasound Scan ND 0110145312 1506110.png

References

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  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Morison's pouch at Who Named It?
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