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Comparative analysis of conventional ultrasound and shear wave elastography features in primary breast diffuse large b-cell lymphoma

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World Journal of Clinical Cases 2023年第33期11卷 7994-8002页

作者： Xiao-Duan Zhang Kai Zhang Department of Ultrasound The Affiliated Hospital of Guizhou Medical UniversityGuiyang 550081Guizhou ProvinceChina Department of Medical Oncology Shijiazhuang People's HospitalShijiazhuang 050000Hebei ProvinceChina

bACKGROUND primary breast diffuse large b-cell lymphoma(Pb-DLbCL)is a rare subtype of non-Hodgkin lymphoma that accounts for<3%of extranodal lymphomas and 1%of breast *** diagnosis and management are challenging becau... 详细信息

bACKGROUND primary breast diffuse large b-cell lymphoma(Pb-DLbCL)is a rare subtype of non-Hodgkin lymphoma that accounts forlymphomas and 1%of breast *** diagnosis and management are challenging because of its rarity,heterogeneity,and aggressive *** ultrasound(US)is the first-line imaging modality for breast lesions;however,it has limited specificity and accuracy for *** wave elastography(SWE)is a novel US technique that measures tissue stiffness and may reflect the histological characteristics and biological behavior of breast *** To compare the conventional US and SWE features of Pb-DLbCL and evaluate their diagnostic performance and prognostic *** We retrospectively reviewed the clinical data and US images of 32 patients with pathologically confirmed Pb-DLbCL who underwent conventional US and SWE before *** analyzed conventional US features(shape,margin,orientation,echo,posterior acoustic features,calcification,and vascularity)and SWE features(mean elasticity value,standard deviation,minimum elasticity value,maximum elasticity value,and lesion-to-fat ratio)of the Pb-DLbCL *** receiver operating characteristic curve analysis,we determined the optimal cutoff values and diagnostic performance of conventional US and SWE *** also performed a survival analysis to assess the prognostic value of conventional US and SWE *** The results showed that the Pb-DLbCL lesions were mostly irregular in shape(84.4%),microlobulated or spiculated in margins(75%),parallel in orientation(65.6%),hypoechoic in echo(87.5%),and had posterior acoustic enhancement(65.6%).Calcification was rare(6.3%)and vascularity was variable(31.3%avascular,37.5%hypovascular,and 31.3%hypervascular).The mean elasticity value of Pb-DLbCL lesions was significantly higher than that of benign breast lesions(113.4±46.9 kPa vs 27.8±16.4 kPa,P<0.001).The optimal cutoff value of the mean elasticity for disti

关键词： primary breast diffuse large b-cell lymphoma Conventional ultrasound Shear wave elastography Diagnosis Prognosis Tumor behavior

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