Journal ArticleDOI
Multifeature analysis of Gd-enhanced MR images of breast lesions.
Shantanu Sinha,Flora Anne Lucas-Quesada,Nanette DeBruhl,James Sayre,Dionne F. Farria,D P Gorczyca,Lawrence W. Bassett +6 more
Reads0
Chats0
TLDR
In this paper, linear discriminant analysis of different independent features of MR images of breast lesions was applied to find the best combination of features yielding the highest classification accuracy, and three independent classes of features, including characteristics of Gd-DTPA-uptake curve, boundary, and texture were evaluated.Abstract:
The objective of this study was to determine whether linear discriminant analysis of different independent features of MR images of breast lesions can increase the sensitivity and specificity of this technique. For MR images of 23 benign and 20 malignant breast lesions, three independent classes of features, including characteristics of Gd-DTPA-uptake curve, boundary, and texture were evaluated. The three classes included five, four and eight features each, respectively. Discriminant analysis was applied both within and across the three classes, to find the best combination of features yielding the highest classification accuracy. The highest specificity and sensitivity of the different classes considered independently were as follows: Gd-up-take curves, 83% and 70%; boundary features, 86% and 70%; and texture, 70% and 75%, respectively. A combination of one feature each from the first two classes and age yielded a specificity of 79% and sensitivity of 90%, whereas highest figures of 93% and 95%, respectively, were obtained when a total of 10 features were combined across different classes. Statistical analysis of different independent classes of features in MR images of breast lesions can improve the classification accuracy of this technique significantly.read more
Citations
More filters
Journal ArticleDOI
Texture analysis of medical images.
TL;DR: The principles of texture analysis are clarified and examples of its applications are given, reviewing studies of the technique.
Journal ArticleDOI
Differentiation of clinically benign and malignant breast lesions using diffusion-weighted imaging.
Yong Guo,You Quan Cai,Zu Long Cai,Yuan Gui Gao,Ning Yu An,Lin Ma,Srikanth Mahankali,Srikanth Mahankali,Jia-Hong Gao +8 more
TL;DR: To evaluate the value of diffusion‐weighted imaging (DWI) in distinguishing between benign and malignant breast lesions, a large number of patients were surveyed with and without breast cancer.
Journal ArticleDOI
Meta-Analysis of MR Imaging in the Diagnosis of Breast Lesions
Nicky H. G. M. Peters,Inne H.M. Borel Rinkes,Nicolaas P.A. Zuithoff,Willem P.Th.M. Mali,Karel G.M. Moons,Petra H.M. Peeters +5 more
TL;DR: MR imaging of the breast has high sensitivity and lower specificity in the evaluation of breast lesions and the performance of breast MR imaging was influenced by the prevalence of cancer in the studied population.
Journal ArticleDOI
Textural analysis of contrast-enhanced MR images of the breast
Peter Gibbs,Lindsay W. Turnbull +1 more
TL;DR: Texture analysis was applied to high‐resolution, contrast‐enhanced images of the breast to provide a method of lesion discrimination, and significant differences were seen between benign and malignant lesions for a number of textural features, including entropy and sum entropy.
Journal ArticleDOI
In vivo diffusion-weighted MRI of the breast: potential for lesion characterization.
TL;DR: To investigate the potential of apparent diffusion coefficients (ADCs) in characterizing breast lesions in vivo, a large number of patients with known breast lesions were surveyed for ADCs in order to establish a baseline for this study.
References
More filters
Journal ArticleDOI
Textural Features for Image Classification
TL;DR: These results indicate that the easily computable textural features based on gray-tone spatial dependancies probably have a general applicability for a wide variety of image-classification applications.
Journal ArticleDOI
Tumor angiogenesis and metastasis--correlation in invasive breast carcinoma.
TL;DR: The number of microvessels per 200x field in the areas of most intensive neovascularization in an invasive breast carcinoma may be an independent predictor of metastatic disease either in axillary lymph nodes or at distant sites (or both).
Journal ArticleDOI
MR imaging of the breast: fast imaging sequences with and without Gd-DTPA. Preliminary observations.
W A Kaiser,E Zeitler +1 more
TL;DR: All six malignant tumors found in 25 patients showed enhancement characterized by a sudden increase in signal intensity on the order of 100% within the first 2 minutes after injection and a much slighter increase thereafter, and 16 benign lesions showed a substantially different pattern of enhancement.
Journal ArticleDOI
MR imaging of the breast with rotating delivery of excitation off resonance: clinical experience with pathologic correlation.
Steven E. Harms,Duane P. Flamig,Kerri L. Hesley,Mark D. Meiches,Richard A. Jensen,W. P. Evans,Daniel A. Savino,Robert V. Wells +7 more
TL;DR: RODEO MR imaging may be used to improve diagnosis of breast cancer in patients with mammographically dense breasts or silicone implants/injections and to stage disease in patients who are candidates for lumpectomy.
Journal ArticleDOI
MR imaging of the breast with Gd-DTPA: use and limitations.
TL;DR: MR imaging seemed beneficial as a supplement in selected, diagnostically difficult cases when limitations of the technique were considered, and in the nonblind evaluation of the modalities, MR imaging compared favorably.