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==Overview==
==Overview==
'''Morison's pouch''' is the [[eponym]]  for the hepato-renal space, named for British [[surgeon]] James R. Morison (1853 - 1939).  
Morison's pouch  is the [[eponym]]  for the hepato-renal space, named for British [[surgeon]] James R. Morison (1853 - 1939). Morison's Pouch is primarily a [[potential  space]], meaning that in  the state of normal function, there is no separation between the  capsules of the [[liver]]  and the right [[kidney]]. However, this space becomes significant in conditions in which fluid  collects within the abdomen (most commonly, [[ascites]] and [[hemoperitoneum]]). The intra-peritoneal fluid can be blood, [[ascites]],  or dialysate, and it 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. The  medical significance of this space primarily lies in the circumstance  of [[hemorrhagic shock]] due to [[hemoperitoneum]]. Early visualization of fluid in  Morison's Pouch on FAST Ultrasound is an indication for urgent [[laparotomy]].<ref name="url[Ultrasonic diagnosis of intraperitoneal fluid in M... [J Radiol. 1980] - PubMed - NCBI">{{cite web |url=http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=7392002&dopt=AbstractPlus |title=[Ultrasonic diagnosis of intraperitoneal fluid in M... [J Radiol. 1980] - PubMed - NCBI |format= |work= |accessdate=2013-02-22}}</ref>
 
Morison's Pouch is primarily a [[potential  space]], meaning that in  the state of normal function, there is no separation between the  capsules of the [[liver]]  and the right [[kidney]]. However, this space becomes significant in conditions in which fluid  collects within the abdomen (most commonly, [[ascites]] and [[hemoperitoneum]]).  
 
The intra-peritoneal fluid can be 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.
 
The  medical significance of this space primarily lies in the circumstance  of [[hemorrhagic shock]] due to [[hemoperitoneum]]. Early visualization of fluid in  Morison's Pouch on FAST Ultrasound is an indication for urgent [[laparotomy]].


* 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.
* 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.
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[[Image:Morrisons-with-fluid.jpg|400px]]
[[Image:Morrisons-with-fluid.jpg|400px]]
{{-}}


== References ==
== References ==
[http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=7392002&dopt=AbstractPlus  "Ultrasonic diagnosis of intraperitoneal fluid in Morrison's pouch (and  in the splenoperitoneal recess): the moon crescent sign"]
{{Reflist|2}}


[[Category:Anatomy]]
[[Category:Anatomy]]

Latest revision as of 13:36, 22 February 2013

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Morison's pouch is the eponym for the hepato-renal space, named for British surgeon James R. Morison (1853 - 1939). Morison's Pouch is primarily a potential space, meaning that in the state of normal function, there is no separation between the capsules of the liver and the right kidney. However, this space becomes significant in conditions in which fluid collects within the abdomen (most commonly, ascites and hemoperitoneum). The intra-peritoneal fluid can be blood, ascites, or dialysate, and it 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. The medical significance of this space primarily lies in the circumstance of hemorrhagic shock due to hemoperitoneum. Early visualization of fluid in Morison's Pouch on FAST Ultrasound is an indication for urgent laparotomy.[1]

  • 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.

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

References

  1. "[Ultrasonic diagnosis of intraperitoneal fluid in M... [J Radiol. 1980] - PubMed - NCBI". Retrieved 2013-02-22.

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