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Hepatorenal recess of subhepatic space


Source: http://en.wikipedia.org/wiki/Hepatorenal_recess_of_subhepatic_space
Updated: 2016-11-06T10:33Z
Hepatorenal recess of subhepatic space (or Morison's pouch)
Ultrasound Scan ND 0110145312 1505060.png
Details
Identifiers
LatinRecessus hepatorenalis,
recessus subhepatici
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Anatomical terminology
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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

References

  1. ^ Forbis, Pat; Bartolucci, Susan L.; Stedman, Thomas Lathrop (2005). Stedman's medical eponyms. Hagerstown, MD: Lippincott Williams & Wilkins. p. 498. ISBN 0-7817-5443-7. 
  2. ^ Weill F, Le Mouel A, Bihr E, Rohmer P, Zeltner F, Sauget Y (April 1980). "[Ultrasonic diagnosis of intraperitoneal fluid in Morison's pouch (and in the splenoperitoneal recess): the moon crescent sign (author's transl)]". J Radiol (in French). 61 (4): 251–6. PMID 7392002. 
  3. ^ Morison's pouch at Who Named It?
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