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====Ultrasonography====
 
====Ultrasonography====
 
Ultrasonography is more helpful.  Biliary tract dilation can be seen in all cases.  Common bile duct is normally dilated and the [[Gall Bladder - Anatomy & Physiology|gall bladder]] may also be dilated with "sludge".  Main differential is extrahepatic biliary obstruction.
 
Ultrasonography is more helpful.  Biliary tract dilation can be seen in all cases.  Common bile duct is normally dilated and the [[Gall Bladder - Anatomy & Physiology|gall bladder]] may also be dilated with "sludge".  Main differential is extrahepatic biliary obstruction.
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===Histopathology===
 
===Histopathology===
 
Liver biopsy is important to rule out Feline Infectious Peritonitis.  It is vital to obtain a haemostasis profile prior to biopsy due to risk of prolonged coagulation with liver disease.  It is unnecessary to obtain a bile sample unless the presentation is acute, in which case [[Neutrophilic Cholangitis]] needs to be ruled out.
 
Liver biopsy is important to rule out Feline Infectious Peritonitis.  It is vital to obtain a haemostasis profile prior to biopsy due to risk of prolonged coagulation with liver disease.  It is unnecessary to obtain a bile sample unless the presentation is acute, in which case [[Neutrophilic Cholangitis]] needs to be ruled out.
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==Treatment==
 
==Treatment==
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