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| {{CMG}}
| | #REDIRECT [[Morison's pouch]] |
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| {{EH}}
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| '''Morrison's pouch''' is the [[eponym]] for the hepato-renal space, named for British [[surgeon]] James R. Morrison (1853 - 1939).
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| Morrison'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]]).
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| The intra-peritoneal fluid can be blood, [[ascites]], or dialysate.
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| 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.
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| The medical significance of this space primarily lies in the circumstance of [[hemorrhagic shock]] due to [[hemoperitoneum]]. Early visualization of fluid in Morrison's Pouch on FAST Ultrasound is an indication for urgent [[laparotomy]].
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| * A normal ultrasonographic view of Morrison'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-normal.jpg|400px]]
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| * Morrison's pouch with fluid present (red arrows).
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| [[Image:Morrisons-with-fluid.jpg|400px]]
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| {{-}}
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| == References ==
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| [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"]
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| [[Category:Anatomy]]
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| [[Category:Emergency medicine]]
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| {{WH}}
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| {{WS}}
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