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General screening
File:Ultrasonography of a normal testicle.jpg|link=Ultrasonography of the scrotum|[[Ultrasonography of the scrotum|Ultrasonography of the '''scrotum''']]
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==General screening==
For symptoms of the upper abdomen, it is a proper custom to perform a general screening of the following organs:
*'''Pancreas''', mainly for dilatation of the pancreatic duct, or obvious tumors.
*'''Liver''', for echogenicity and focal changes. ''Further details: [[Ultrasonography of the liver]]''
*'''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>
*'''Spleen''', mainly for size, where 11 cm is a common cutoff. ''Further details: [[Ultrasonography of the spleen]]''
Also, it is generally easy to have a quick glance at the kidneys just to exclude hydronephrosis. ''Further details: [[Ultrasonography of the urinary system]]''
==Diseases and conditions==
