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EnglishRationale and Objectives: The performance of a semiautomatic technique for internal carotid artery (ICA) stenosis quantification of the internal carotid artery in contrast-enhanced magnetic resonance angiography was evaluated. Materials and Methods: The degree of stenosis of 52 ICAs was quantified by measuring the cross-sectional area along the center lumen line. This was performed both by 3 independent observers and the semiautomated method. The degree of stenosis was defined as the amount of cross-sectional lumen reduction. Results: Agreement between the method and observers was good (weighted-kappa, kappa(w) = 0.89). Reproducibility of measurements of the semiautomated technique was better (kappa(w) = 0.97) than that of the observers (kappa(w) = 0.76), and the evaluated technique was considerably less time-consuming. Conclusions: Because the user interaction is limited, this technique can be used to replace an expert observer in 3-dimensional stenosis quantification of the ICA at CE-MRA in clinical practice.
Evaluation of semiautomated internal carotid artery stenosis quantification from 3-dimensional contrast-enhanced magnetic resonance angiograms / Cornelis M., Van Bemmel; Otto E. H., Elgersma; Ejpa, Vonken; Fiorelli, Marco; Maarten S., Van Leeuwen; Wiro J., Niessen. - In: INVESTIGATIVE RADIOLOGY. - ISSN 0020-9996. - 39:7(2004), pp. 418-426. [10.1097/01.rli.0000129469.56134.3a]
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| Titolo: | Evaluation of semiautomated internal carotid artery stenosis quantification from 3-dimensional contrast-enhanced magnetic resonance angiograms | |
| Autori: | ||
| Data di pubblicazione: | 2004 | |
| Rivista: | ||
| Citazione: | Evaluation of semiautomated internal carotid artery stenosis quantification from 3-dimensional contrast-enhanced magnetic resonance angiograms / Cornelis M., Van Bemmel; Otto E. H., Elgersma; Ejpa, Vonken; Fiorelli, Marco; Maarten S., Van Leeuwen; Wiro J., Niessen. - In: INVESTIGATIVE RADIOLOGY. - ISSN 0020-9996. - 39:7(2004), pp. 418-426. [10.1097/01.rli.0000129469.56134.3a] | |
| Handle: | http://hdl.handle.net/11573/42243 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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