Search Results - "Zakian, K"

OC-0155: MR-guided multi-atlas based synthetic CT for MR-only radiotherapy of head and neck cancer patients by Farjam, R, Tyagi, N, Veeraraghavan, H, Apte, A, Zakian, K, Hunt, M, Deasy, J

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Lactate MRSI and DCE MRI as surrogate markers of prostate tumor aggressiveness by Yaligar, J., Thakur, S. B., Bokacheva, L., Carlin, S., Thaler, H. T., Rizwan, A., Lupu, M. E., Wang, Y., Matei, C. C., Zakian, K. L., Koutcher, J. A.

“…Longitudinal studies of lactate MRSI and dynamic contrast‐enhanced MRI were performed at 4.7 T in two prostate tumor models grown in rats, Dunning R3327‐AT…”
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Proton magnetic resonance spectroscopy in immunocompetent patients with primary central nervous system lymphoma by RAIZER, J. J, KOUTCHER, J. A, ABREY, L. E, PANAGEAS, K. S, DEANGELIS, L. M, LIS, E, XU, S, ZAKIAN, K. L

“…Magnetic resonance spectroscopy imaging (MRSI) non-invasively evaluates the metabolic profile of normal and abnormal brain tissue. Primary central nervous…”
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Treatment planning for prostate implants using magnetic-resonance spectroscopy imaging by Zaider, M, Zelefsky, M J, Lee, E K, Zakian, K L, Amols, H I, Dyke, J, Cohen, G, Hu, Y, Endi, A K, Chui, C, Koutcher, J A

“…Recent studies have demonstrated that magnetic-resonance spectroscopic imaging (MRSI) of the prostate may effectively distinguish between regions of cancer and…”
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A stereotactic method for the three-dimensional registration of multi-modality biologic images in animals: NMR, PET, histology, and autoradiography by Humm, J. L., Ballon, D., Hu, Y. C., Ruan, S., Chui, C., Tulipano, P. K., Erdi, A., Koutcher, J., Zakian, K., Urano, M., Zanzonico, P., Mattis, C., Dyke, J., Chen, Y., Harrington, P., O’Donoghue, J. A., Ling, C. C.

“…The objective of this work was to develop and then validate a stereotactic fiduciary marker system for tumor xenografts in rodents which could be used to…”
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Relationship between 31P metabolites and oncolytic viral therapy sensitivity in human colorectal cancer xenografts by Silberhumer, G. R., Zakian, K., Malhotra, S., Brader, P., Gönen, M., Koutcher, J., Fong, Y.

“…Background: Studies using phosphorus magnetic resonance spectroscopy (MRS) have pointed to the significance of phospholipid metabolite alterations as…”
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In vivo multiple-mouse imaging at 1.5 T by Xu, S., Gade, T.P.F., Matei, C., Zakian, K., Alfieri, A.A., Hu, X., Holland, E.C., Soghomonian, S., Tjuvajev, J., Ballon, D., Koutcher, J.A.

“…A multiple‐mouse solenoidal MR coil was developed for in vivo imaging of up to 13 mice simultaneously to screen for tumors on a 1.5 T clinical scanner. For the…”
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Use of phosphorous-31 nuclear magnetic resonance spectroscopy to determine safe timing of chemotherapy after hepatic resection by KOOBY, D. A, ZAKIAN, K. L, CHALLA, S. N, MATEI, C, PETROWSKY, H, YOO, H.-H, KOUTCHER, J. A, YUMAN FONG

“…Liver resection induces accelerated growth of residual hepatic micrometastases. Adjuvant chemotherapy may improve outcome if administered early after resection…”
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Intraoperative conformal optimization for transperineal prostate implantation using magnetic resonance spectroscopic imaging by Zelefsky, M J, Cohen, G, Zakian, K L, Dyke, J, Koutcher, J A, Hricak, H, Schwartz, L, Zaider, M

“…Recent studies have demonstrated that magnetic resonance spectroscopic imaging (MRSI) of the prostate may effectively distinguish between regions of cancer and…”
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In vivo 31P MR spectral patterns and reproducibility in cancer patients studied in a multi-institutional trial by Arias-Mendoza, F., Payne, G. S., Zakian, K. L., Schwarz, A. J., Stubbs, M., Stoyanova, R., Ballon, D., Howe, F. A., Koutcher, J. A., Leach, M. O., Griffiths, J. R., Heerschap, A., Glickson, J. D., Nelson, S. J., Evelhoch, J. L., Charles, H. C., Brown, T. R.

“…The standardization and reproducibility of techniques required to acquire anatomically localized 31P MR spectra non‐invasively while studying tumors in cancer…”
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Developments in nuclear magnetic resonance imaging and spectroscopy: Application to radiation oncology by Zakian, Kristen L., Koutcher, Jason A., Ballon, Douglas, Hricak, Hedvig, Ling, C. Clifton

“…Nuclear magnetic resonance techniques have advanced to the point where functional, physiologic, and biochemical information may be obtained from patients…”
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A dual-tuned resonator for proton-decoupled phosphorus-31 chemical shift imaging of the brain by Zakian, Kristen L., Koutcher, Jason A., Ballon, Douglas

“…A fully quadrature dome‐shaped resonator is presented that has been dual‐tuned for proton and phosphorus operation at 1.5 T. The resonator is 16.5 cm in length…”
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TH-EF-BRA-11: Feasibility of Super-Resolution Time-Resolved 4DMRI for Multi-Breath Volumetric Motion Simulation in Radiotherapy Planning by Li, G, Wei, J, Zakian, K, Hunt, M, Deasy, J

“…Purpose: To develop a novel super-resolution time-resolved 4DMRI technique to evaluate multi-breath, irregular and complex organ motion without respiratory…”
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Prostate Cancer and Benign Tissue Response to Hypofractionated SBRT Monitored by Multi-modality MRI over a 2 year Period by Zakian, K., Wibmer, A., Vargas, H.A., Iyer, A., Tyagi, N., Apte, A., Hunt, M.A., Kollmeier, M.A., Mychalczak, B.R., Zelefsky, M.J.

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Methodological standardization for a multi-institutional in vivo trial of localized 31P MR spectroscopy in human cancer research. In vitro and normal volunteer studies by Arias-Mendoza, F., Zakian, K., Schwartz, A., Howe, F. A., Koutcher, J. A., Leach, M. O., Griffiths, J. R., Heerschap, A., Glickson, J. D., Nelson, S. J., Evelhoch, J. L., Charles, H. C., Brown, T. R.

“…A multi‐institutional group has been created to demonstrate the utility of in vivo 31P magnetic resonance spectroscopy (31P‐MRS) to study human cancers in…”
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The in Vivo Effect of Bryostatin-1 on Paclitaxel-induced Tumor Growth, Mitotic Entry, and Blood Flow by Koutcher, J A, Motwani, M, Zakian, K L, Li, X K, Matei, C, Dyke, J P, Ballon, D, Yoo, H H, Schwartz, G K

“…Pretreatment of tumor cells with the protein kinase C (PKC) inhibitor bryostatin-1 enhances the cytotoxicity of most chemotherapeutic agents. However, in the…”
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A quantitative assessment of liver metabolites during jaundice using three dimensional phosphorus chemical shift imaging by Zakian, Kristen L., D’Angelica, Michael, Matei, Cornelia, Yoo, Hyok-Hee, Ercolani, Matthew, Delman, Keith, Fong, Yuman, Koutcher, Jason A.

“…Phosphorus metabolites in the jaundiced rat liver were studied by three-dimensional phosphorus chemical shift imaging (CSI). Animals were studied at 1, 2, and…”
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TU-AB-BRA-03: Atlas-Based Algorithms with Local Registration-Goodness Weighting for MRI-Driven Electron Density Mapping by Farjam, R, Tyagi, N, Veeraraghavan, H, Apte, A, Zakian, K, Hunt, M, Deasy, J

“…Purpose: To develop image-analysis algorithms to synthesize CT with accurate electron densities for MR-only radiotherapy of head & neck (H&N) and pelvis…”
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Changes in Multimodality MRI Characteristics Following SBRT in Prostate Cancer by Zakian, K., Vargas, H.A., Iyer, A., Tyagi, N., Apte, A., Kollmeier, M.A., Mychalczak, B.R., Borofsky, K.L., Cahlon, O., Hunt, M.A., Sala, E., Zelefsky, M.J.

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TH-EF-BRA-09: Direct Comparison of T2-Based Respiratory-Correlated 4DMRI Reconstructed from Simultaneous Internal Navigator and External Bellows by Li, G, Olek, D, Wei, J, Kadbi, M, Tyagi, N, Zakian, K, Mechalakos, J, Deasy, J, Hunt, M

“…Purpose: To optimize T2-based respiratory-correlated 4DMRI for motion simulation, we evaluated the image quality after 4D reconstruction based on the two…”
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