A member asked:

I have a low attenuation liver lesion more than 5mm. please tell me what this means ?

A doctor has provided 1 answer
Dr. James Okamoto answered

Specializes in Family Medicine

Usually benign: Attenuation is like density on a CT. A high attenuation tissue like bone, will appear white on a CT, whereas low attenuation (less dense substances like fluid) appear darker. In the liver, most low attenuation lesions are hemangiomas, which are benign, however your Dr can best determine if other risk factors or findings (cirrhosis, hepatitis etc,) warrant further evaluation of your lesion.

Answered 10/21/2019

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