Mm

Lymph nodes larger than 1 cm are suspicious for pathology. Attenuation values:

• Kidneys: 30-45 HU without contrast medium; renal cortex after contrast medium: approx. 140 HU

• Adrenal glands: 25-40 HU without contrast medium

• Blood vessels: approx. 40-55 HU without contrast medium

• Gallbladder contents: 0-25 HU

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