Srinivasan Vedantham

Summary

Affiliation: University of Massachusetts Medical School
Country: USA

Publications

  1. pmc Dedicated breast CT: geometric design considerations to maximize posterior breast coverage
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655 USA
    Phys Med Biol 58:4099-118. 2013
  2. pmc Scaling-law for the energy dependence of anatomic power spectrum in dedicated breast CT
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Med Phys 40:011901. 2013
  3. pmc X-ray phase contrast imaging of the breast: analysis of tissue simulating materials
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 40:041906. 2013
  4. pmc Dedicated breast CT: fibroglandular volume measurements in a diagnostic population
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA, USA
    Med Phys 39:7317-28. 2012
  5. pmc Dedicated breast CT: radiation dose for circle-plus-line trajectory
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Med Phys 39:1530-41. 2012
  6. pmc Modeling the performance characteristics of computed radiography (CR) systems
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    IEEE Trans Med Imaging 29:790-806. 2010
  7. pmc Technical note: Skin thickness measurements using high-resolution flat-panel cone-beam dedicated breast CT
    Linxi Shi
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 40:031913. 2013
  8. pmc A perceptual evaluation of JPEG 2000 image compression for digital mammography: contrast-detail characteristics
    Sankararaman Suryanarayanan
    Department of Radiology, Emory University School of Medicine, 1364 Clifton Rd NE, Atlanta, GA 30322, USA
    J Digit Imaging 17:64-70. 2004
  9. pmc Solid-state fluoroscopic imager for high-resolution angiography: physical characteristics of an 8 cm x 8 cm experimental prototype
    Srinivasan Vedantham
    Department of Radiology, Emory University School of Medicine, Atlanta, Georgia 30322, USA
    Med Phys 31:1462-72. 2004
  10. pmc Digital Breast Tomosynthesis guided Near Infrared Spectroscopy: Volumetric estimates of fibroglandular fraction and breast density from tomosynthesis reconstructions
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Biomed Phys Eng Express 1:. 2015

Collaborators

Detail Information

Publications22

  1. pmc Dedicated breast CT: geometric design considerations to maximize posterior breast coverage
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655 USA
    Phys Med Biol 58:4099-118. 2013
    ....
  2. pmc Scaling-law for the energy dependence of anatomic power spectrum in dedicated breast CT
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Med Phys 40:011901. 2013
    ..To determine the x-ray photon energy dependence of the anatomic power spectrum of the breast when imaged with dedicated breast computed tomography (CT)...
  3. pmc X-ray phase contrast imaging of the breast: analysis of tissue simulating materials
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 40:041906. 2013
    ....
  4. pmc Dedicated breast CT: fibroglandular volume measurements in a diagnostic population
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA, USA
    Med Phys 39:7317-28. 2012
    ..This information is important for Monte Carlo-based estimation of normalized glandular dose coefficients and for investigating the dependence of VGF on breast dimensions, race, and pathology...
  5. pmc Dedicated breast CT: radiation dose for circle-plus-line trajectory
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Med Phys 39:1530-41. 2012
    ..Hence, this work investigated the glandular dose characteristics of a circle-plus-line trajectory that fulfills data-sufficiency conditions for image reconstruction in dedicated breast CT...
  6. pmc Modeling the performance characteristics of computed radiography (CR) systems
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    IEEE Trans Med Imaging 29:790-806. 2010
    ..A model such as that addressed in this work could allow for improved understanding of the effect of storage phosphor physical properties and CR reader parameters on objective image quality metrics for existing and evolving CR systems...
  7. pmc Technical note: Skin thickness measurements using high-resolution flat-panel cone-beam dedicated breast CT
    Linxi Shi
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 40:031913. 2013
    ..To determine the mean and range of location-averaged breast skin thickness using high-resolution dedicated breast CT for use in Monte Carlo-based estimation of normalized glandular dose coefficients...
  8. pmc A perceptual evaluation of JPEG 2000 image compression for digital mammography: contrast-detail characteristics
    Sankararaman Suryanarayanan
    Department of Radiology, Emory University School of Medicine, 1364 Clifton Rd NE, Atlanta, GA 30322, USA
    J Digit Imaging 17:64-70. 2004
    ..All other compression combinations exhibited significant degradation in CD characteristics...
  9. pmc Solid-state fluoroscopic imager for high-resolution angiography: physical characteristics of an 8 cm x 8 cm experimental prototype
    Srinivasan Vedantham
    Department of Radiology, Emory University School of Medicine, Atlanta, Georgia 30322, USA
    Med Phys 31:1462-72. 2004
    ..Since the CCD is three-side buttable, four such CCD modules can be joined to form a 2 x 2 matrix providing a field of view of 16 cm x 16 cm...
  10. pmc Digital Breast Tomosynthesis guided Near Infrared Spectroscopy: Volumetric estimates of fibroglandular fraction and breast density from tomosynthesis reconstructions
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Biomed Phys Eng Express 1:. 2015
    ..The fibroglandular volume from tomosynthesis reconstructions is similar to mammography indicating suitability for use during near-infrared spectroscopy...
  11. pmc Radiation dose to organs and tissues from mammography: Monte Carlo and phantom study
    Ioannis Sechopoulos
    Department of Radiology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, USA
    Radiology 246:434-43. 2008
    ..To prospectively determine the radiation dose to the organs of the body during standard bilateral two-view mammography by using Monte Carlo simulations and a phantom...
  12. pmc Semi-automated segmentation and classification of digital breast tomosynthesis reconstructed images
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA Srinivasan Vedantham umassmed edu
    Conf Proc IEEE Eng Med Biol Soc 2011:6188-91. 2011
    ..The method may also be adaptable for estimating tumor volume, breast glandular content, and for extracting lesion features for potential application to computer aided detection and diagnosis...
  13. pmc Solid-state fluoroscopic imager for high-resolution angiography: parallel-cascaded linear systems analysis
    Srinivasan Vedantham
    Department of Radiology, Emory University School of Medicine, 1364 Clifton Road NE, Atlanta, Georgia 30322, USA
    Med Phys 31:1258-68. 2004
    ..5 microR/frame there was no noticeable degradation of the DQE even at the 78 microm pixel pitch mode suggesting that it is feasible to perform high-resolution angiography hitherto unattainable in clinical practice...
  14. pmc Personalized estimates of radiation dose from dedicated breast CT in a diagnostic population and comparison with diagnostic mammography
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Phys Med Biol 58:7921-36. 2013
    ..Future work will investigate methods to reduce and optimize radiation dose from dedicated breast CT. ..
  15. ncbi request reprint Flat-panel digital mammography system: contrast-detail comparison between screen-film radiographs and hard-copy images
    Sankararaman Suryanarayanan
    Departments of Radiology, University of Massachusetts Medical School, Worcester, Mass, USA
    Radiology 225:801-7. 2002
    ..To compare the contrast-detail (CD) characteristics of screen-film (SF) and postprocessed digital images by using a phantom-based method...
  16. pmc Breast cancer imaging: a perspective for the next decade
    Andrew Karellas
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Med Phys 35:4878-97. 2008
    ..We are also likely to transition from a standardized screening, where all women undergo the same imaging exam (mammography), to selection of a screening modality or modalities based an individual-risk or other classification...
  17. pmc Photon-counting hexagonal pixel array CdTe detector: Spatial resolution characteristics for image-guided interventional applications
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655
    Med Phys 43:2118. 2016
    ..Hence, this study was conducted to determine the spatial resolution characteristics of a hexagonal pixel array photon-counting cadmium telluride (CdTe) detector...
  18. pmc Digital Breast Tomosynthesis: State of the Art
    Srinivasan Vedantham
    From the Department of Radiology, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA 01655 S V, A K, G R V and Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass D B K
    Radiology 277:663-84. 2015
    ..Retrospective multireader multicase studies show either noninferiority or superiority of DBT compared with mammography. Methods to curtail radiation dose are of importance. (©) RSNA, 2015. ..
  19. pmc Large-angle x-ray scatter in Talbot-Lau interferometry for breast imaging
    Srinivasan Vedantham
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Phys Med Biol 59:6387-400. 2014
    ..Coherent scatter was the dominant contributor to the total scatter. Coherent-to-incoherent scatter ratio ranged from 2.2 to 3.1 for 2-8 cm thick adipose breasts and from 2.7 to 3.4 for 2-8 cm thick fibroglandular breasts...
  20. pmc The Relevance of Ultrasound Imaging of Suspicious Axillary Lymph Nodes and Fine-needle Aspiration Biopsy in the Post-ACOSOG Z11 Era in Early Breast Cancer
    Gopal R Vijayaraghavan
    University of Massachusetts Medical School, 55 Lake Ave N, Worcester, MA 01655 Electronic address
    Acad Radiol . 2016
    ..Hence, the relevance of ultrasound imaging of the axilla and fine-needle aspiration biopsy (FNA) in early-stage breast cancers was investigated...
  21. doi request reprint Towards standardization of x-ray beam filters in digital mammography and digital breast tomosynthesis: Monte Carlo simulations and analytical modelling
    Suman Shrestha
    Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, RM 851, Worcester, Massachusetts, 01655, United States
    Phys Med Biol . 2017
    ..These simulations indicate that increased fluence with Al filter of fixed or variable thickness substantially decreases exposure duration while providing for similar image quality with moderate reduction in MGD...
  22. doi request reprint Effect of needle gauge and lobe laterality on parenchymal liver biopsy outcome: a retrospective analysis
    Gopal R Vijayaraghavan
    Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA, 01655, USA
    Abdom Imaging 40:1223-9. 2015
    ..To analyze the effect of lobe selection, needle gauge, and number of passes on procedure outcomes in terms of specimen length and post-procedure complications...