Measurement Flashcards
Weight of liver
1500g
Right lobe:Left lobe ratio
6:1
Length of liver
15cm
Normal portal venous pressure
10mm Hg
Normal hepatic venous pressure
5mm Hg
Normal splenic vein pressure
15mm Hg
What percentage of blood to the liver is provided by the portal vein?
75-80%
Diameter of the portal vein
13mm
Hepatomegaly
> 15.5cm
Micronodular cysts
< 1cm
Macronodular cysts
1-5cm
Coronary vein during portal hypertension
> 6mm
Superior mesenteric vein during portal hypertension
> 10mm
Cavernous hemangioma
<3cm
Normal portal vein flow velocity
20-40 cm/sec
Normal resistive index of hepatic artery
0.5-0.8
Normal flow velocity with Transjugular Intrahepatic Portosystemic Shunt
90-190 cm/sec
AP measurement of the liver
10.5cm
Capacity of the gallbladder
50ml
Length of gallbladder
8-12cm
Width of gallbadder
4-5cm
Gallbladder wall thickness
3mm
Top normal common bile duct diameter
6mm
Amount of bile secreted by the liver everyday
1-2L
Gallbladder polyp diameter
< 10mm
Gallbladder carcinoma
> 1cm
Common hepatic duct diameter
< 4mm
Dialated common bile duct
> 10mm
Gallbladder adenoma
< 1cm
Dilated intrahepatic ducts
> 2mm
Duct of Wirsung
2mm or
Pancreatic Head
2-3cm
Pancreatic Body
1-2cm
Spleen length
12-13cm
Spleen thickness
6cm
AAA
> 3cm
IVC diameter
2.5cm
Aneurysms at risk for rupturing
> 7cm
Aneurysm size that qualifies the patient for surgery
> 5cm
Normal intestinal wall thickness
<5mm
Inflammed appendix
> 6mm
Pyloric muscle thickness and length during stenosis
Width: >3mm
Length: >17mm
Diameter of intussuscepted bowel
> 3cm
Bowel wall during Crohn Disease
> 5mm