8/15/2019 Dimens Normale

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Adrenal• 4-6mm• Thickness 2-4mm• Width 2-3mm

Aorta

• The maximum AP outer wall diameter is the preferred measurement forassessment of aortic size

• Aoid transerse measurements if there is side to side tortuosit!• Total len"th of aneur!sm measurements are of no use clinicall! and should

not #e $uoted as this can lead to confusion with the AP diameter • Aneur!sm % 3&'cm

Appendix• A#normal( )uter diameter * 6mm+ non compressi#le

Gall Bladder • Width a#normal if % 4 cm• Wall Thickness( a#normal % 3 mm

Bile Duct• ,ormal 6mm• .seful rule of thum#( #ile duct cali#er increases /mm with each decade+ i&e&

6mm at 6'!rs+ 0mm at 0' !rs etc&• Post cholec!stectom!( 6-/'mm indeterminate

Kidney Length• ,ormal 1an"e( lower -/'cm+ upper /2-/3 cm+ aria#le dependin" on #od!

size• eft usuall! lon"er than ri"ht+ difference /&5cm

Liver • id hepatic line% /5&5cm enlar"ed in 057• Portal 8ein /&3 cm+ % 2'7 chan"e in cali#er with respiration• 9plenic 8ein :98 % 2'7 chan"e in cali#er with respiration

Pancreas AP Diameter • ;ead /& - 2&5 cm• 6 cm ? /:3 cm per !ear of a"e

Prostate

• .pper limit of normal( 3' cc