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European Radiology

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01-03-2012 | Magnetic Resonance

Utility of diffusion-weighted imaging in the evaluation of liver fibrosis

Authors: Ayse Ahsen Bakan, Ercan Inci, Selim Bakan, Suut Gokturk, Tan Cimilli

Published in: European Radiology | Issue 3/2012

Abstract

Objectives

To evaluate the usefulness of diffusion- weighted MRI (DWI) in the detection and staging of liver fibrosis and inflammation.

Methods

DWI was performed with b-factors of 0, 500 and 1000 s/mm². ADC values were obtained by placing circular regions of interest in four segments of the liver. Differences between the study (n = 34) and control groups’ (n = 25) ADC values were examined. Further, this study investigated if and how ADC values were related to fibrosis stages and histological activity index (HAI) scores.

Results

The mean ADC value of the liver was smaller in the study group compared with the control group (P < 0.001). Spearman rho correlation analyses showed lower ADC values were associated with higher fibrosis and HAI scores (P < 0.01). There were statistically significant differences in liver ADC values between each combination of fibrosis stages (e.g. stages 0 and 1, 0 and 2) except for stages 1 and 2.

Conclusions

ADC values prove to be a valuable technique for the diagnosis of liver fibrosis and inflammation. They can also be useful in fibrosis staging, particularly in distinguishing later stages of fibrosis from intermediate and early stages.

Key Points

Diffusion Weighted MRI is a promising technique for diagnosis of liver fibrosis.
Apparent Diffusion Coefficients provide valuable information for staging of liver fibrosis.
DWI may offer alternative to biopsy for assessing liver fibrosis.

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Title: Utility of diffusion-weighted imaging in the evaluation of liver fibrosis
Authors: Ayse Ahsen Bakan
Ercan Inci
Selim Bakan
Suut Gokturk
Tan Cimilli
Publication date: 01-03-2012
Publisher: Springer-Verlag
Published in: European Radiology / Issue 3/2012
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-011-2295-z

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Utility of diffusion-weighted imaging in the evaluation of liver fibrosis

Abstract

Objectives

Methods

Results

Conclusions

Key Points

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusions

Key Points

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