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→General screening: Spaced
For patients presenting with symptoms that are less specific for any certain organ, such as unspecific acute [[abdominal pain]], consider an '''[[abdominal/pelvic CT]]''' instead.
;At least 6 hours of fasting<ref group="notes">Otherwise high risk of intestines obscuring the organ of interest.<br>- {{NU Hospital Group}}</ref>Unless all the Exceptions: *The target structures are known to be superficial to any intestines.*The case is emergent enough to justify a suboptimal exam
==Locations==
==General screening==
===Upper abdomen===
For symptoms of the upper abdomen, it is a proper custom to perform a general screening of the following organslocations:
*'''Pancreas''', mainly for dilatation of the pancreatic duct, or obvious tumors.
*'''Liver''', for echogenicity and focal changes. <br>''In case of suspected pathology, see: [[Ultrasonography of the liver]]''
*'''Hepatorenal recess''' for ascites.
*'''Biliary tract''', for gallstones (see ''[[Ultrasonography of gallstones]]'') and dilatation of the intrahepatic or extrahepatic bile ducts. The common bile duct is normally up to 8 mm.<ref name="HoeffelAzizi2006">{{cite journal|last1=Hoeffel|first1=Christine|last2=Azizi|first2=Louisa|last3=Lewin|first3=Maité|last4=Laurent|first4=Valérie|last5=Aubé|first5=Christophe|last6=Arrivé|first6=Lionel|last7=Tubiana|first7=Jean-Michel|title=Normal and Pathologic Features of the Postoperative Biliary Tract at 3D MR Cholangiopancreatography and MR Imaging|journal=RadioGraphics|volume=26|issue=6|year=2006|pages=1603–1620|issn=0271-5333|doi=10.1148/rg.266055730}}</ref> ''Further information: [[Ultrasonography_of_the_biliary_tract#Basic_screening|Basic screening of the biliary tract]]''.
[[File:Maximum length of spleen on ultrasonography.jpg|thumb|180px|Maximum length of the spleen.]]
;Report
{|class="wikitable"
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Example in a normal case:
<br>Gallbladder with thin wall and no gallstones. Normal width of the intra-and extrahepatic bile ducts.
<br>Normal head and body of the pancreas.
<br>Normally sized spleen.
{{Public Domain example}}
|}
{{Reporting}}
