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ARDMS Abdomen Ultrasound Registry Review Exam Questions and Complete Solutions Graded A+
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ARDMS Abdomen Ultrasound Registry Review Exam Questions and Complete Solutions Graded A+
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ARDMS AbdomenUltrasound Registry
Review Exam Questions
and Complete Solutions
Graded A+
Denning [Date] [Course title]
,How many segments does the Couinaud system divide the liver into? - Answer: Eight surgical segments
What divides the right lobe of the liver into an anterior and posterior segment? - Answer: Right hepatic
vein
What vessel separates the right and left lobe? Where does it lie (fissure)? - Answer: Middle hepatic vein,
which lies in the main lobar fissure
LLL is divided into medial and lateral segments by: - Answer: Left hepatic vein
The caudate lobe is separated from the LLL by which ligament? - Answer: ligamentum venosum
Main portal vein is created by the merging of which two vessels? What is this area referred to as? -
Answer: Superior mesenteric vein and splenic vein. Known as the splenic portal confluence
What is the name of the capsule surrounding the liver? - Answer: Glisson capsule
Normal AP measurement of the MPV? - Answer: 13mm or less
What is an enlarged (>13mm) portal vein signify? - Answer: Portal hypertension
Normal MPV flow? - Answer: Hepatopetal and monophasic w/ some respiratory variation
Where do the hepatic veins drain? - Answer: IVC
These veins are considered both interlobar and intersegmental - Answer: hepatic veins. They are
located between the segments and the lobes
normal hepatic vein flow - Answer: -Hepatofugal - away from liver
-pulsatile, triphasic due to right atrial pressure changes
,-respiratory variation
Narrowing or occlusion of the hepatic veins is indicative of: - Answer: Budd-Chiari syndrome
The liver hilum is also know as - Answer: The porta hepatis
flow pattern of the hepatic artery should be - Answer: low resistance since it is feeding the liver
After birth the umbilical vein becomes - Answer: ligamentum teres aka round ligament
-runs along with the falciform ligament
-will usually be seen near left portal vein in left liver
Where can the main lobar fissure be seen? - Answer: -in sag plane
-will appear to connect the neck of the GB with the RPV
-also separates right and left hepatic veins
hepatic steatosis - Answer: fatty liver
Causes of fatty liver disease - Answer: Fatty deposits within the hepatocytes.
Once it becomes cirrhosis, it is non-reversible.
1. Alcoholic fatty liver disease
2. Non-alcoholic fatty liver disease:
-obesity
-starvation
-chemotherapy
, -diabetes mellitus
-hyperlipidemia
-pregnancy
-von Gierke disease (glycogen storage dx)
-total parental nutrition
-cystic fibrosis
steatohepatitis - Answer: inflammation of the liver associated with fat
precursor for chronic liver dx leading to fibrosis, cirrhosis, and HCC
hepatomegaly size - Answer: >15cm
need to correlate with clinical hx
don't confused Riedel's lobe as hepatomegaly
Fatty liver symptoms and labs - Answer: Symptoms:
-usually asymptomatic
Labs:
-Increased LFTs (especially AST and ALT)
Sono appearance of fatty liver dx and focal fatty infiltration - Answer: -Diffusely echogenic liver
-Increased attenuation of sound beam
-Walls of hepatic vasculature and diaphragm will not be easily imaged due to increased attenuation
-Fatty changes will be diffuse or focal
Focal fatty infiltration sono app:
-hyperechoic area next to the GB, near the porta hep, or part of lobe may appear echogenic
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