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  • Rajiv Chopra
2019

Breath-hold MR-HIFU hyperthermia: phantom and in vivo feasibility

Bing, C., Cheng, B., Staruch, R. M., Nofiele, J., Wodzak Staruch, M., Szczepanski, D., Farrow-Gillespie, A., Yang, A., Laetsch, T. W. & Chopra, R., Jan 1 2019, In : International Journal of Hyperthermia. 36, 1, p. 1084-1097 14 p.

Research output: Contribution to journalArticle

Open Access
3 Scopus citations

Cam-type femoroacetabular impingement—correlations between alpha angle versus volumetric measurements and surgical findings

Dessouky, R., Chhabra, A., Zhang, L., Gleason, A., Chopra, R., Chatzinoff, Y., Fey, N., Xi, Y. & Wells, J., Jan 1 2019, In : European Radiology.

Research output: Contribution to journalArticle

6 Scopus citations

Influence of Nanobubble Concentration on Blood–Brain Barrier Opening Using Focused Ultrasound Under Real-Time Acoustic Feedback Control

Cheng, B., Bing, C., Xi, Y., Shah, B., Exner, A. A. & Chopra, R., Aug 2019, In : Ultrasound in Medicine and Biology. 45, 8, p. 2174-2187 14 p.

Research output: Contribution to journalArticle

Open Access
4 Scopus citations

Longer heating duration increases localized doxorubicin deposition and therapeutic index in Vx2 tumors using MR-HIFU mild hyperthermia and thermosensitive liposomal doxorubicin

Bing, C., Patel, P., Staruch, R. M., Shaikh, S., Nofiele, J., Wodzak Staruch, M., Szczepanski, D., Williams, N. S., Laetsch, T. W. & Chopra, R., Jan 1 2019, In : International Journal of Hyperthermia. 36, 1, p. 196-203 8 p.

Research output: Contribution to journalArticle

10 Scopus citations

Perfusion-Guided Monitoring of Tumor Response to Sonoporation and Prediction of Liposomal Doxorubicin Uptake Using Microbubble Contrast Agents

Bellary, A., Chopra, R., Sirsi, S., Villarreal, A., Eslami, R., Undseth, Q., Hernandez, S., Lec, B., Kandel, J., Borden, M. & Shaikh, S., Oct 2019, 2019 IEEE International Ultrasonics Symposium, IUS 2019. IEEE Computer Society, p. 1342-1345 4 p. 8925913. (IEEE International Ultrasonics Symposium, IUS; vol. 2019-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2018

3D CT segmentation of CAM type femoroacetabular impingement-reliability and relationship of CAM lesion with anthropomorphic features

Zhang, L., Wells, J., Dessouky, R., Gleason, A., Chopra, R., Inoff, Y. C., Fey, N., Xi, Y. & Chhabra, A., 2018, In : British Journal of Radiology. 91, 1092

Research output: Contribution to journalArticle

1 Scopus citations

Characterization of different bubble formulations for blood-brain barrier opening using a focused ultrasound system with acoustic feedback control

Bing, C., Hong, Y., Hernandez, C., Rich, M., Cheng, B., Munaweera, I., Szczepanski, D., Xi, Y., Bolding, M., Exner, A. & Chopra, R., Dec 1 2018, In : Scientific reports. 8, 1, 7986.

Research output: Contribution to journalArticle

22 Scopus citations

Correcting B0 Field Distortions in MRI Caused by Stainless Steel Orthodontic Appliances at 1.5 T Using Permanent Magnets - A Head Phantom Study

Wang, Z. J., Park, Y. J., Morriss, M. C., Seo, Y., Nguyen, T., Hallac, R. R., Nava, A., Chopra, R., Chatzinoff, Y., Price, K. & Rollins, N. K., Dec 1 2018, In : Scientific Reports. 8, 1, 5706.

Research output: Contribution to journalArticle

15 Scopus citations

Introduction to the special issue on thermal therapy and infectious diseases

Chopra, R., Levi-Polyachenko, N. & Smeltzer, M. S., Feb 17 2018, In : International Journal of Hyperthermia. 34, 2, p. 133-134 2 p.

Research output: Contribution to journalEditorial

2 Scopus citations
1 Scopus citations

Prototype volumetric ultrasound tomography image guidance system for prone stereotactic partial breast irradiation: Proof-of-concept

Chiu, T. D., Parsons, D., Zhang, Y., Hrycushko, B., Zhao, B., Chopra, R., Kim, N., Spangler, A., Rahimi, A., Timmerman, R., Jiang, S. B., Lu, W. & Gu, X., Mar 1 2018, In : Physics in Medicine and Biology. 63, 5, 055004.

Research output: Contribution to journalArticle

2 Scopus citations

Remote acoustic sensing as a safety mechanism during exposure of metal implants to alternating magnetic fields

Cheng, B., Chatzinoff, Y., Szczepanski, D., Bing, C., Shaikh, S., Wyman, O., Perry, C. E., Richardson, J. A., Burns, D. K., Evers, B. M., Greenberg, D. E. & Chopra, R., May 2018, In : PloS one. 13, 5, e0197380.

Research output: Contribution to journalArticle

5 Scopus citations

Temperature-sensitive liposomal ciprofloxacin for the treatment of biofilm on infected metal implants using alternating magnetic fields

Munaweera, I., Shaikh, S., Maples, D., Nigatu, A. S., Sethuraman, S. N., Ranjan, A., Greenberg, D. E. & Chopra, R., Feb 17 2018, In : International Journal of Hyperthermia. 34, 2, p. 189-200 12 p.

Research output: Contribution to journalArticle

4 Scopus citations
2017

Assessment of acute thermal damage volumes in muscle using magnetization-prepared 3D T2-weighted imaging following MRI-guided high-intensity focused ultrasound therapy

Staruch, R. M., Nofiele, J., Walker, J., Bing, C., Madhuranthakam, A. J., Bailey, A., Kim, Y. S., Chhabra, A., Burns, D. & Chopra, R., Aug 2017, In : Journal of Magnetic Resonance Imaging. 46, 2, p. 354-364 11 p.

Research output: Contribution to journalArticle

4 Scopus citations

Employing high-frequency alternating magnetic fields for the non-invasive treatment of prosthetic joint infections

Chopra, R., Shaikh, S., Chatzinoff, Y., Munaweera, I., Cheng, B., Daly, S. M., Xi, Y., Bing, C., Burns, D. & Greenberg, D. E., Dec 1 2017, In : Scientific reports. 7, 1, 7520.

Research output: Contribution to journalArticle

12 Scopus citations

Evaluation of Focal Ablation of Magnetic Resonance Imaging Defined Prostate Cancer Using Magnetic Resonance Imaging Controlled Transurethral Ultrasound Therapy with Prostatectomy as the Reference Standard

Ramsay, E., Mougenot, C., Staruch, R., Boyes, A., Kazem, M., Bronskill, M., Foster, H., Sugar, L., Haider, M., Klotz, L. & Chopra, R., Jan 1 2017, In : Journal of Urology. 197, 1, p. 255-261 7 p.

Research output: Contribution to journalArticle

13 Scopus citations

Improved Magnetic Resonance Imaging-Pathology Correlation With Imaging-Derived, 3D-Printed, Patient-Specific Whole-Mount Molds of the Prostate

Costa, D. N., Chatzinoff, Y., Passoni, N. M., Kapur, P., Roehrborn, C., Xi, Y., Rofsky, N. M., Torrealba, J. R., Francis, F., Futch, C., Hagens, P., Notgrass, H., Otero-Muinelo, S., Pedrosa, I. & Chopra, R., Apr 4 2017, (Accepted/In press) In : Investigative Radiology.

Research output: Contribution to journalArticle

15 Scopus citations
2 Scopus citations

Technical Note: System for evaluating local hypothermia as a radioprotector of the rectum in a small animal model

Hrycushko, B. A., Bing, C., Futch, C., Wodzak, M., Stojadinovic, S., Medin, P. M. & Chopra, R., Aug 2017, In : Medical physics. 44, 8, p. 3932-3938 7 p.

Research output: Contribution to journalArticle

2 Scopus citations
2016

An MRI-compatible platform for one-dimensional motion management studies in MRI

Nofiele, J., Yuan, Q., Kazem, M., Tatebe, K., Torres, Q., Sawant, A., Pedrosa, I. & Chopra, R., Aug 1 2016, In : Magnetic resonance in medicine. 76, 2, p. 702-712 11 p.

Research output: Contribution to journalArticle

3 Scopus citations

Characterizing spatiotemporal information loss in sparse-sampling-based dynamic MRI for monitoring respiration-induced tumor motion in radiotherapy

Arai, T. J., Nofiele, J., Madhuranthakam, A. J., Yuan, Q., Pedrosa, I., Chopra, R. & Sawant, A., Jun 1 2016, In : Medical physics. 43, 6, p. 2807-2820 14 p.

Research output: Contribution to journalArticle

2 Scopus citations

Drift correction for accurate PRF-shift MR thermometry during mild hyperthermia treatments with MR-HIFU

Bing, C., Staruch, R. M., Tillander, M., Köhler, M. O., Mougenot, C., Ylihautala, M., Laetsch, T. W. & Chopra, R., Aug 17 2016, In : International Journal of Hyperthermia. 32, 6, p. 673-687 15 p.

Research output: Contribution to journalArticle

19 Scopus citations

Effective Rat Lung Tumor Model for Stereotactic Body Radiation Therapy

Zhang, Z., Wodzak, M., Belzile, O., Zhou, H., Sishc, B., Yan, H., Stojadinovic, S., Mason, R. P., Brekken, R. A., Chopra, R., Story, M. D., Timmerman, R. & Saha, D., Jun 1 2016, In : Radiation Research. 185, 6, p. 616-622 7 p.

Research output: Contribution to journalArticle

5 Scopus citations

Influence of geometric and material properties on artifacts generated by interventional MRI devices: Relevance to PRF-shift thermometry

Tatebe, K., Ramsay, E., Mougenot, C., Kazem, M., Peikari, H., Bronskill, M. & Chopra, R., Jan 1 2016, In : Medical physics. 43, 1, p. 241-253 13 p.

Research output: Contribution to journalArticle

3 Scopus citations

Localized delivery of low-density lipoprotein docosahexaenoic acid nanoparticles to the rat brain using focused ultrasound

Mulik, R. S., Bing, C., Ladouceur-Wodzak, M., Munaweera, I., Chopra, R. & Corbin, I. R., Mar 1 2016, In : Biomaterials. 83, p. 257-268 12 p.

Research output: Contribution to journalArticle

26 Scopus citations

Pediatric Sarcomas Are Targetable by MR-Guided High Intensity Focused Ultrasound (MR-HIFU): Anatomical Distribution and Radiological Characteristics

Shim, J., Staruch, R. M., Koral, K., Xie, X. J., Chopra, R. & Laetsch, T. W., Oct 1 2016, In : Pediatric Blood and Cancer. 63, 10, p. 1753-1760 8 p.

Research output: Contribution to journalArticle

9 Scopus citations

Targeted antibiotic delivery using low temperature-sensitive liposomes and magnetic resonance-guided high-intensity focused ultrasound hyperthermia

Wardlow, R., Bing, C., VanOsdol, J., Maples, D., Ladouceur-Wodzak, M., Harbeson, M., Nofiele, J., Staruch, R., Ramachandran, A., Malayer, J., Chopra, R. & Ranjan, A., Apr 2 2016, In : International Journal of Hyperthermia. 32, 3, p. 254-264 11 p.

Research output: Contribution to journalArticle

14 Scopus citations

Thermal dosimetry for bladder hyperthermia treatment. An overview

Schooneveldt, G., Bakker, A., Balidemaj, E., Chopra, R., Crezee, J., Geijsen, E. D., Hartmann, J., Hulshof, M. C. C. M., Kok, H. P., Paulides, M. M., Sousa-Escandon, A., Stauffer, P. R. & Maccarini, P. F., May 2 2016, (Accepted/In press) In : International Journal of Hyperthermia. p. 1-17 17 p.

Research output: Contribution to journalArticle

21 Scopus citations

Three-dimensional printing for preoperative planning of total hip arthroplasty revision: case report

Zerr, J., Chatzinoff, Y., Chopra, R., Estrera, K. & Chhabra, A., Oct 1 2016, In : Skeletal Radiology. 45, 10, p. 1431-1435 5 p.

Research output: Contribution to journalArticle

12 Scopus citations