2013
DOI: 10.1111/1754-9485.12087
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Solid focal liver lesion characterisation with apparent diffusion coefficient ratios

Abstract: DWI is unable to reliably differentiate solid benign lesions from solid malignant lesions.

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Cited by 17 publications
(19 citation statements)
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“…The reasons for the low false‐positive rate of DWI MRI include: not depicting macroregenerative and low grade dysplastic nodules, not depicting focal fatty heterogeneity and the ability to correctly classify cavernous haemangiomas which usually have elevated apparent diffusion coefficient (ADC) values . For small nodules, the sonographic sensitivity is low and the positive predictive value is also reduced to approximately 82% .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The reasons for the low false‐positive rate of DWI MRI include: not depicting macroregenerative and low grade dysplastic nodules, not depicting focal fatty heterogeneity and the ability to correctly classify cavernous haemangiomas which usually have elevated apparent diffusion coefficient (ADC) values . For small nodules, the sonographic sensitivity is low and the positive predictive value is also reduced to approximately 82% .…”
Section: Discussionmentioning
confidence: 99%
“…Focal areas of restricted diffusion appear as high signal intensity on DWI images, while areas with free diffusion appear as low signal intensity. Due to alterations in factors such as extracellular matrix, solid tumours exhibit restricted diffusion compared to background liver generating an inherent contrast difference and therefore improving lesion conspicuity and providing a method for lesion detection. We have prospectively investigated the role of diffusion weighted hepatic MRI for HCC screening in the setting of chronic liver disease.…”
Section: Introductionmentioning
confidence: 99%
“… For the evaluation of focal liver lesions, the sensitivites of CT, MR and CEUS are similar The sensitivity on a per lesion basis was higher for MRI than CT Specificity of CT and MRI ranged from 84‐94% MRI should be the preferred imaging modality for the diagnosis of HCC in patients with chronic liver disease, preferably with a liver‐specific contrast agent (see below) The addition of Diffusion Weighted Imaging (DWI) to other MRI acquisitions has shown mixed results in distinguishing HCC from non‐neoplastic cirrhotic nodules and other benign lesions …”
Section: Imaging Modalities For Diagnosismentioning
confidence: 99%
“…Ogólnie rzecz biorąc, wartość ADC zmian złośliwych jest niższa niż zmian łagodnych [2,[7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23], ale nie ma jednej wartości ADC różnicującej (threshold) zmiany złośliwe od łagodnych. Celem pracy jest ocena wartości diagnostycznej obrazowania dyfuzji wody metodą rezonansu magne-tycznego (DWI MR) w różnicowaniu łagodnych i złośliwych zmian ogniskowych w wątrobie.…”
Section: Wstępunclassified