Abdominal Sonography Unit 1 Measurements

Normal AP and Width measurement of aorta

prox: 2.5 cm, distal: 1.5cm

what is the normal AP/width at mid GB

< 4cm

what is the width of a gallbladder where there is ascites?

> 4mm

cystic duct length

2-4cm

normal bile duct width

4-6mm

pancreas measurement

only if something is abnormal

head of pancreas AP

20-30mm

neck of pancreas AP

10-20mm

body of pancreas AP

20-30mm

tail of pancreas AP

10-20mm

wall measurement for urinary bladder

no more than 6mm

gallbladder length

10-13cm

cystic duct length

2-4cm

liver AP

10-12.5cm

liver width

20-22.5cm

pancreas length

12-15cm

kidney length

10-12cm

kidney width

5-7.5cm

kidney AP

2-3cm

kidney weight

130-150g

urethra length

3-4cm for women, about 20cm for men

spleen length

12cm

spleen width

7cm

spleen AP

4cm

spleen weight

150g

normal gallbladder anterior wall thickness

< 3mm

intrahepatic ducts diameter

< 2mm

normal bile duct width

4-6mm

capacity of gallbladder

30-50mL