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US-guided diffuse optical tomography for breast lesions: the reliability of clinical experience.

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Title: US-guided diffuse optical tomography for breast lesions: the reliability of clinical experience.
Authors: Kim MJ (AUTHOR), Kim JY (AUTHOR), Youn JH (AUTHOR), Kim MH (AUTHOR), Koo HR (AUTHOR), Kim SJ (AUTHOR), Sohn YM (AUTHOR), Moon HJ (AUTHOR), Kim EK (AUTHOR), Kim, Min Jung1 (AUTHOR), Kim, Ji Youn (AUTHOR), Youn, Jung Hyun (AUTHOR), Kim, Myung Hyun (AUTHOR), Koo, Hye Ryoung (AUTHOR), Kim, Soo Jin (AUTHOR), Sohn, Yu-Mee (AUTHOR), Moon, Hee Jung (AUTHOR), Kim, Eun-Kyung (AUTHOR)
Source: European Radiology. Jul2011, Vol. 21 Issue 7, p1353-1363. 11p.
Abstract: Purpose: To prospectively assess the reliability of US-guided diffuse optical tomography (US-DOT) using interobserver agreement for the diagnosis of breast lesions with individual real-time imaging and to assess the interobserver agreement of conventional sonography (US) combined with US-DOT for differentiation between benignity and malignancy breast lesions.Materials and Methods: An Institutional Review Board approved this study, and all subjects provided written informed consent. 122 breast lesions in 111 patients evaluated with US-guided core biopsy were included. Assessments with US and US-DOT for cases subjected to biopsy were obtained by two radiologists using individual real-time imaging prior to biopsy and were prospectively recorded by each performer. With DOT, the total haemoglobin concentration (THC) for each breast lesion was measured. Histopathological results from US-guided biopsies were used as a reference standard. To assess measurement interobserver agreement, the intraclass correlation coefficient (ICC) and the Bland-Altman plot were used for THC in US-DOT and the kappa values and ROC analysis were used to evaluate the diagnostic performances of the US BI-RADS final assessment in US and combined US and US-DOT.Results: Of 122 US-guided core biopsied lesions, 83 (68.0%) were diagnosed as benign, and 39 (32.0%) as malignant. Excellent correlation was seen in the THC in US-DOT (ICC score 0.796; 95% confidence interval, 0.708-0.857). The interobserver agreement in BI-RADS final assessment with US and US-DOT (almost perfect; κ = 0.8618) was improved compared with that of US (substantial agreement, κ = 0.6574). However, the overall areas under the ROC curve did not show significant differences between US and combined US and US-DOT, 0.8894 and 0.8975, respectively (P = 0.981).Conclusions: The reliability of THC in US-DOT showed excellent correlation in overall real-time performance. Although the inter-observer agreement for BI-RADS final assessment of US was improved by using US-DOT, the performances of radiologists with respect to the characterization of breast masses as benign or malignant were not significantly improved with US-DOT. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: US-guided diffuse optical tomography for breast lesions: the reliability of clinical experience.
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  Data: <searchLink fieldCode="AR" term="%22Kim+MJ%22">Kim MJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim+JY%22">Kim JY</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Youn+JH%22">Youn JH</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim+MH%22">Kim MH</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Koo+HR%22">Koo HR</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim+SJ%22">Kim SJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sohn+YM%22">Sohn YM</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moon+HJ%22">Moon HJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim+EK%22">Kim EK</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Min+Jung%22">Kim, Min Jung</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Ji+Youn%22">Kim, Ji Youn</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Youn%2C+Jung+Hyun%22">Youn, Jung Hyun</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Myung+Hyun%22">Kim, Myung Hyun</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Koo%2C+Hye+Ryoung%22">Koo, Hye Ryoung</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Soo+Jin%22">Kim, Soo Jin</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sohn%2C+Yu-Mee%22">Sohn, Yu-Mee</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moon%2C+Hee+Jung%22">Moon, Hee Jung</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Eun-Kyung%22">Kim, Eun-Kyung</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Jul2011, Vol. 21 Issue 7, p1353-1363. 11p.
– Name: Abstract
  Label: Abstract
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  Data: <bold>Purpose: </bold>To prospectively assess the reliability of US-guided diffuse optical tomography (US-DOT) using interobserver agreement for the diagnosis of breast lesions with individual real-time imaging and to assess the interobserver agreement of conventional sonography (US) combined with US-DOT for differentiation between benignity and malignancy breast lesions.<bold>Materials and Methods: </bold>An Institutional Review Board approved this study, and all subjects provided written informed consent. 122 breast lesions in 111 patients evaluated with US-guided core biopsy were included. Assessments with US and US-DOT for cases subjected to biopsy were obtained by two radiologists using individual real-time imaging prior to biopsy and were prospectively recorded by each performer. With DOT, the total haemoglobin concentration (THC) for each breast lesion was measured. Histopathological results from US-guided biopsies were used as a reference standard. To assess measurement interobserver agreement, the intraclass correlation coefficient (ICC) and the Bland-Altman plot were used for THC in US-DOT and the kappa values and ROC analysis were used to evaluate the diagnostic performances of the US BI-RADS final assessment in US and combined US and US-DOT.<bold>Results: </bold>Of 122 US-guided core biopsied lesions, 83 (68.0%) were diagnosed as benign, and 39 (32.0%) as malignant. Excellent correlation was seen in the THC in US-DOT (ICC score 0.796; 95% confidence interval, 0.708-0.857). The interobserver agreement in BI-RADS final assessment with US and US-DOT (almost perfect; κ = 0.8618) was improved compared with that of US (substantial agreement, κ = 0.6574). However, the overall areas under the ROC curve did not show significant differences between US and combined US and US-DOT, 0.8894 and 0.8975, respectively (P = 0.981).<bold>Conclusions: </bold>The reliability of THC in US-DOT showed excellent correlation in overall real-time performance. Although the inter-observer agreement for BI-RADS final assessment of US was improved by using US-DOT, the performances of radiologists with respect to the characterization of breast masses as benign or malignant were not significantly improved with US-DOT. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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