Cem Altunbas, PhD
Professor, Radiation Oncology
Publications
- C. Altunbas, M. Stinauer, B. Kavanagh, T. Schefter, M. Miften," Comparison of FDG-PET based target volume delineation algorithms in patients with liver metastases",submitted to 2011 Annual ASTRO Meeting.
- C. Altunbas,"Measurement of Contaminant Signals in Clinically Relevant CBCT Image Acquisition Geometries and Performance Evaluation of Bowtie Filters", submitted to 2011 Annual AAPM Meeting.
- C. Altunbas, M. Miften, "Measurement of Contaminant Signals in Clinically Relevant CBCT Image Acquisition Geometries and Performance Evaluation of Bowtie Filters," Med. Phys. 38, 3445 (2011)
- C. Altunbas, M. Stinauer, B. Kavanagh, T. Schefter, M. Miften, "Comparison of FDG-PET-based Target Volume Delineation Methods for Patients with Liver Metastases," IJROBP, 81, 2, S124, 2011
- M Bellon, C Glide-Hurst, C Altunbas, R Foster, M Speiser, M Altman, D Westerly, M Miften, I Chetty, and T Solberg,"TrueBeam Commissioning: A Multi-Institutional Experience," Med. Phys. 39, 3721 (2012)
- C Altunbas, M Miften, T Hankinson, T Tello, and A Liu," Rotational Setup Errors in Pediatric Patients Receiving Radiation Therapy for Intracranial Tumors," Med. Phys. 39, 3660 (2012)
- E. Kessler, L. Su, X. Yang, C. Altunbas, T. Flaig, C. Li, B. Kavanagh, " Relationship of oral glycine with radiation-induced HIF1-alpha and tumor growth delay in a prostate cancer xenograft," J Clin Oncol 31, 2013 (suppl 6; abstr 81)
- B Jones, C Altunbas, B Kavanagh, and M Miften," Image Quality Effects of Dynamic Iodine Concentrations for Contrast-Enhanced Cone-Beam CT," Med. Phys. 39, 3974 (2012)
- C. Glide-Hurst, M. Bellon, R. Foster, C. Altunbas, M. Speiser, M. Altman, D. Westerly, N. Wen, B. Zhao, M. Miften, I. J. Chetty, and T. Solberg, "Commissioning of the Varian TrueBeam linear accelerator: A multi-institutional study,"Med. Phys. 40, 031719 (2013)
- C, Altunbas, Image Corrections, Chapter 10 in "CONE BEAM COMPUTED TOMOGRAPHY" to be published by Taylor and Francis in 2013.
- C Altunbas, T Hankinson, M Miften, T Tello, S Plimpton, K Stuhr, A Liu,"Rotational setup errors in pediatric stereotactic radiation therapy," in press, PRO. Published online on 9/20/2012.
- C. Altunbas, B. Kavanagh, W. Dzingle, K. Stuhr, L. Gaspar, M. Miften, "Dosimetric errors during treatment of centrally located lung tumors with stereotactic body radiation therapy: Monte Carlo evaluation of tissue inhomogeneity corrections", Med Dosim. 2013 Winter;38(4):436-41
- C. Altunbas, C. Howells, M. Proper, K. Reddy, G. Gan, P DeWitt, B. Kavanagh, T. Schefter, M. Miften, "Evaluation of threshold and gradient based 18F-fluoro-deoxy-2-glucose hybrid positron emission tomographic image segmentation methods for liver tumor delineation," Practical Radiation Oncology
- C. Altunbas, B. Jones, B. Kavanagh, M. Miften, " A Novel Method to Correct Scatter and Metal Artifacts in Kilovoltage CBCT Using Megavoltage Projections ," Med. Phys. 40, 512 (2013)
- B. Jones, C. Altunbas, B. Kavanagh, T. Schefter, M. Miften," IV Contrast-Enhanced Cone Beam CT to Enhance Image Guidance for Liver SBRT ," Int. Journal of Radiation Oncology * Biology * Physics Volume 87, Issue 2, Supplement , S144-S145, 1 October 2013
- G.N. Gan, S. Keysar, J. Eagles-Soukup, R. Anderson, C. Altunbas, J. Morton, P. Le, M. Glogowska, D. Raben, A. Jimeno, " Int. Journal of Radiation Oncology * Biology * Physics Vol. 87, Issue 2, Supplement, S140-S141, 1 October 2013
- Altunbas C, Lai CJ, Zhong Y, Shaw CC. Reduction of ring artifacts in CBCT: detection and correction of pixel gain variations in flat panel detectors. Med Phys. 2014 Sep;41(9):091913. PubMed PMID: 25186400
- Gan GN, Eagles J, Keysar SB, Wang G, Glogowska MJ, Altunbas C, Anderson RT, Le PN, Morton JJ, Frederick B, Raben D, Wang XJ, Jimeno A. Hedgehog signaling drives radioresistance and stroma-driven tumor repopulation in head and neck squamous cancers. Cancer Res. 2014 Dec 1;74(23):7024-36. PubMed PMID: 25297633
- C Altunbas, Y Zhong, C Shaw, B Kavanagh and M Miften, "Investigation of a 2D Antiscatter Grid for Flat Panel Detectors" Med. Phys. 41, 124 (2014)
- A. Amini, Y. Vinogradskiy, C. Rusthoven, C. Altunbas, T. Schefter, C. Fisher, "Should We Customize PTV Expansions for BMI?: Daily Cone Beam Computerized Tomography to Assess Organ Motion in Postoperative Endometrial and Cervical Cancer Patients" International Journal of Radiation Oncology • Biology • Physics, Vol. 90, Issue 1, S499
- B. Jones, C. Altunbas, B. Kavanagh, T. Schefter, M. Miften,"Optimized dynamic contrast-enhanced cone-beam CT for target visualization during liver SBRT" J. Phys.: Conf. Ser. 489 012035
- Gan GN, Altunbas C, Morton JJ, Eagles J, Backus J, Dzingle W, Raben D, Jimeno A. Radiation dose uncertainty and correction for a mouse orthotopic and xenograft irradiation model. Int J Radiat Biol. 2015 Dec 21;:1-7. [Epub ahead of print] PubMed PMID: 26689828
- Altunbas C, Kavanagh B, Miften M, "TH-EF-BRB-06: A Method to Synthesize Hybrid KV/MV Projections for Metal Artifact Corrections in CBCT" Med. Phys. 42, 3743 (2015)
- Altunbas, C., Kavanagh, B. and Miften, M. (2016), WE-AB-207A-10: Transmission Characteristics of a Two Dimensional Antiscatter Grid Prototype for CBCT. Med. Phys., 43: 3799–3800. doi:10.1118/1.4957763
- Altunbas C, Kavanagh B, Alexeev T, Miften M. Transmission characteristics of a two dimensional antiscatter grid prototype for CBCT. Med Phys. 2017 Aug;44(8):3952-3964. PubMed PMID: 28513847
- Alexeev T, Kavanagh B, Miften M, Altunbas C. Two-dimensional antiscatter grid: A novel scatter rejection device for Cone-beam computed tomography. Med Phys. 2017 Dec 12. [Epub ahead of print] PubMed PMID: 29235120
- T. Alexeev*, B. Kavanagh, M. Miften, C. Altunbas, "Development and Evaluation of a Two Dimensional Antiscatter Grid for CBCT" Med. Phys. 44(6), 3245 (2017)
- Alexeev T, Kavanagh B, Miften M, Altunbas C. Comparison of a Novel Two-Dimensional Antiscatter Grid Prototype with a Conventional Antiscatter Grid in CBCT. Oral presentation at RSNA Annual Meeting
- T Alexeev, BD Kavanagh, M Miften, and C Altunbas. Comparison of a novel two dimensional antiscatter grid prototype with a conventional one dimensional antiscatter grid in CBCT. Presented orally at Postdoctoral Research Day at University of Colorado Denver.
- Alexeev T, Kavanagh B, Miften M, Altunbas C. Development and evaluation of a two dimensional antiscatter grid for CBCT. Presented at AAPM Rocky Mountain Chapter Meeting.
- Alexeev, T., B. Miller, B. Kavanagh, M. Miften, and C. Altunbas. "Development of High Aspect Ratio Two-Dimensional Antiscatter Grids for CBCT." In MEDICAL PHYSICS, vol. 45, no. 6, pp. E485-E485. 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY, 2018.
- Alexeev T, Kavanagh B, Miften M, Altunbas C. Development and Evaluation of a Total Variation Minimization Based Method for Suppressing Ring Artifacts in CBCT Images. InMEDICAL PHYSICS 2018 Jun 1 (Vol. 45, No. 6, pp. E536-E536). 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY.
- Alexeev T, Kavanagh B, Miften M, Altunbas C. Development and Evaluation of a Total Variation Minimization Based Method for Suppressing Ring Artifacts in CBCT Images. InMEDICAL PHYSICS 2018 Jun 1 (Vol. 45, No. 6, pp. E536-E536). 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY.
- Jones BL, Miller BW, Altunbas C, Miften M. Measuring Marker Motion and Tumor Position During Treatment with Coded-Aperture Compton Imaging. InMEDICAL PHYSICS 2018 Jun 1 (Vol. 45, No. 6, pp. E382-E383). 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY.
- Altunbas,C, Alexeev,T, Kavanagh,B, Miften,M, Two-Dimensional Anti-scatter Grids for CBCT: Transmission Properties of High Grid Ratio 2D Grid Prototypes. Radiological Society of North America 2018 Scientific Assembly and Annual Meeting, November 25 - November 30, 2018, Chicago IL
- Altunbas C, Alexeev T, Miften M, Kavanagh B. Effect of grid geometry on the transmission properties of 2D grids for flat detectors in CBCT. Phys Med Biol. 2019 Nov 15;64(22):225006. PubMed PMID: 31585444
- Alexeev T, Kavanagh B, Miften M, Altunbas C. A novel total variation based ring artifact suppression method for CBCT imaging with two-dimensional antiscatter grids. Med Phys. 2019 May;46(5):2181-2193. PubMed PMID: 30802970
- Forghani F, Mahl A, Patton TJ, Jones BL, Borden MA, Westerly DC, Altunbas C, Miften M, Thomas DH. Simulation of X-ray induced acoustic imaging for absolute dosimetry: accuracy of image reconstruction methods. Med Phys. 2019 Dec 11. [Epub ahead of print] PubMed PMID: 31828781
- Yu, Z., Park, Y. and Altunbas, C., 2020, March. Simultaneous scatter rejection and correction method using 2D antiscatter grids for CBCT. In Medical Imaging 2020: Physics of Medical Imaging (Vol. 11312, p. 113122W). International Society for Optics and Photonics.
- Altunbas C, Park Y, Yu Z, Gopal A. A Unified Scatter Rejection and Correction Method for Cone Beam Computed Tomography. Med Phys. 2020 Dec 30. [Epub ahead of print] PubMed PMID: 33378551
- Park Y, Alexeev T, Miller B, Miften M, Altunbas C. Evaluation of scatter rejection and correction performance of 2D antiscatter grids in cone beam computed tomography. Med Phys. 2021 Apr;48(4):1846-1858. PubMed PMID: 33554377
- Bayat F, Eldib ME, Altunbas C. Megavoltage cross-scatter rejection and correction using 2D antiscatter grids in kilovoltage CBCT imaging. Proc SPIE Int Soc Opt Eng. 2022;12031:120311K. doi: 10.1117/12.2611202. Epub 2022 Apr 4. PMID: 35465130; PMCID: PMC9028100.
- Bayat F, Eldib ME, Kavanagh B, Miften M, Altunbas C. Concurrent kilovoltage CBCT imaging and megavoltage beam delivery: suppression of cross-scatter with 2D antiscatter grids and grid-based scatter sampling. Phys Med Biol. 2022 Aug 9;67(16):10.1088/1361-6560/ac8268. doi: 10.1088/1361-6560/ac8268. PMID: 35853441; PMCID: PMC9378529.
- F Bayat, M Eldib, M Miften, C Altunbas, “A Raw Data Correction and Iterative Reconstruction Pipeline for Quantitative CBCT-Guided Radiation Therapy,” Med. Phys. 49(6), E223 (2022)
- M Eldib, F Bayat, M Miften, C Altunbas, “A Simulation Platform to Evaluate the Effect of 2D Antiscatter Grid Primary Transmission on CBCT Image Quality,” Med. Phys. 49(6), E601 (2022)
- M Eldib, F Bayat, M Miften, C Altunbas, “A Novel Model for Characterizing the Effects of Gantry Flex On 2D Antiscatter Grid Performance in CBCT Systems,” Med. Phys. 49(6), E174 (2022)
- D. Ruan, F. Bayat, C. Altunbas, “Perturbation-Based Quality Surrogate for Scatter Estimation and Parameter Optimization in Anti-Scatter Grid (ASG)-CBCT,” Med. Phys. 49(6), E174 (2022)
- F. Bayat, M. Eldib, C. Altunbas, “"Megavoltage cross-scatter rejection and correction using 2D antiscatter grids in kilovoltage CBCT imaging." SPIE Physics of Medical Imaging Conference, San Diego, 2022.
- C. Altunbas, "Improving Tissue Visualization and Quantitative Accuracy in CBCT Imaging for Radiation Therapy", AAPM Florida Chapter Meeting, September 2022.
- Eldib ME, Bayat F, Miften M, Altunbas C. A simulation study to evaluate the effect of 2D antiscatter grid primary transmission on flat panel detector based CBCT image quality. Biomed Phys Eng Express. 2023 Oct 4;9(6). PubMed PMID: 37729884
- Altunbas C. Feasibility of dual-energy CBCT material decomposition in the human torso with 2D anti-scatter grids and grid-based scatter sampling. Med Phys. 2023 Jul 21. [Epub ahead of print] PubMed PMID: 37477550
- Bayat F, Ruan D, Miften M, Altunbas C. A quantitative CBCT pipeline based on 2D antiscatter grid and grid-based scatter sampling for image-guided radiation therapy. Med Phys. 2023 Dec;50(12):7980-7995. PubMed PMID: 37665760
- Bayat F, Miller B, Park Y, Yu Z, Alexeev T, Thomas D, Stuhr K, Kavanagh B, Miften M, Altunbas C. 2D antiscatter grid and scatter sampling based CBCT method for online dose calculations during CBCT guided radiation therapy of pelvis. Med Phys. 2023 Dec 3. [Epub ahead of print] PubMed PMID: 38043086
Specialty Information
Specialties- American Board of Radiology, Therapeutic Medical Physics, Board Certification (2010)