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Finding Cures. Saving Children.
Robert J. Ogg, PhD
Associate Member, St. Jude Faculty
Departments
Radiological Sciences
Divisions
Translational Imaging Research
Contact Information
Robert Ogg, PhD
Radiological Sciences
MS 220, Room I-3106
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
Email: robert.ogg@stjude.org
Phone: (901) 595-2502
FAX: (901) 595-3981
Education
BS - Old Dominion University, Norfolk, VA
MS - George Washington University, Washington, DC
PhD - University of Virginia, Charlottesville
Research Interests
- Biomedical NMR Imaging and Spectroscopy
- Functional Neuroimaging
- Brain Function in Survivors of Catastrophic Diseases of Childhood
- Diagnostic Imaging in Pediatric Oncology
Selected Publications
Helton KJ, Paydar A, Glass J, Weirich EM, Hankins J, Hankins G, Zou P, Li C-S, Smeltzer MP, Wang WC, Ware RE, Reddick WE, Ogg RJ. Arterial Spin-Labeled Perfusion Combined with Segmentation Techniques to Evaluate Cerebral Blood Flow in White and Gray Matter of Children with Sickle Cell Anemia. Pediatric Blood and Cancer 2008 (in press).
Iftekharuddin KM, Zheng J, Islam MA, Ogg RJ. Fractal-based brain tumor detection in multimodal MRI. Applied Mathematics and Computation 2008 (in press).
Conklin HM, Li C, Xioing X, Ogg RJ, Merchant TE. Predicting Change in Academic Abilities after Conformal Radiation Therapy for Localized Ependymoma. Journal of Clinical Oncology 2008 (in press).
Zhang Y, Zou P, Butler RJ, Mulhern RK, Laningham FH, Ogg RJ. Brain Structural Abnormalities in Survivors of Posterior Fossa Brain Tumors: a Voxel-Based Morphometry Study Using Free-Form Deformation. NeuroImage 2008 (in press).
Islam A, Iftekharrudin KM, Ogg RJ, Laningham FH, Sivakumar B. Multifractal modeling, segmentation, prediction and statistical validation of posterior fossa tumors. Proceedings of SPIE 6915: 2008 (in press).
Helton KJ, Weeks JK, Phillips NS, Zou P, Kun LE, Khan RB, Gajjar AJ, Fouladi M, Li C-S, Ogg RJ. Tractography and Diffusion Tensor Imaging of Pediatric Patients with Brainstem Glioma: Axonal Degeneration of Corticospinal and Sensory Pathways. J Neurosurg Pediatrics 1:270-276, 2008.
Ogg RJ, Zou P, Allen DN, Hutchins SB, Dutkiewicz RM, Mulhern RK. Neural Correlates of a Clinical Continuous Performance Test. Magn Reson Imag 26:504-512, 2008.
Laningham FH, Kun LE, Reddick WE, Ogg RJ, Morris EB, Pui C-H. Childhood CNS Leukemia: Historical Perspectives, Current Therapy, and Acute Neurological Sequelae. Neuroradiology 49:873-888, 2007.
Iftekharuddin KM, Zheng J, Islam MA,. Ogg RJ, Lanningham F. Brain Tumor Detection in MRI: Technique and Statistical Validation. IEEE Proc. Fortieth Asilomar Conference on Signals, Systems and Computers 1983 – 1987, 2006.
Krasin MJ, Xiong X, Reddick WE, Ogg RJ, Hoffer FA, McCarville B, Kaste SC, Spunt SS, Navid F, Davidoff AM, Zhang L, Kun LE, Merchant TE. A Model Predicting Radiation-Induced Quantitative Changes in the Magnetic Resonance Signal Characteristics in the Muscle of Children Over Time. Magnetic Resonance Imaging 24:1319-1324, 2006.
Shan ZY, Parra C, Ji Q, Ogg RJ, Zhang Y, Laningham FH, Reddick WE. A digital pediatric brain structure atlas from T1-weighted MR images. Lect Notes Comput Sc 4191:332-339, 2006.
Helton KJ, Phillips, NS, Sanford RA, Gajjar A, Boop FA, Zou P, Langston JW, Ogg RJ. Diffusion Tensor Imaging Analysis of Tract Involvement of Diffuse Brainstem Gliomas in Children. Am J of Neuroradiol 27:786-93, 2006.
Iftekharuddin KM, Islam MA, Shaik J, Parra C, Ogg R. Automatic brain tumor detection in MRI: Methodology and statistical validation. Proceedings of SPIE 5747:2012-22, 2005.
Phillips NS, Sanford RA, Helton KJ, Boop FA, Zou P, Tekautz T, Gajjar A, Ogg RJ. Diffusion Tensor Imaging Analysis of the Growth Pattern of Intra-axial Tumors at the Cervicomedullary and Pontomedullary Junction. J Neurosurg 103 (6): 557-562, 2005.
Ogg RJ, McDaniel B, Wallace D, Pitot, P, Neel MD, Kaste SC. MR compatibility of a non-invasively expandable total joint prosthesis. Magnetic Resonance Imaging 23:789-794, 2005.
Zou P, Hutchins SB, Dutkiewicz RM, Li C-S, Ogg RJ. Effects of readout bandwidth on measured activation map and BOLD response in fMRI experiments. NeuroImage 27:15-25, 2005.
Haacke EM, Cheng NYC, Liu Q, Neelavalli J, Ogg RJ, Kahn A, Kahn A, Obenaus A, Kirsch W, Brown RW. Imaging Iron Stores in the Brain using Magnetic Resonance Imaging. Magnetic Resonance Imaging 23:1-25, 2005.
Steen RG, Ogg RJ. Abnormally high levels of brain N-acetylaspartate in children with sickle cell disease measured by proton magnetic resonance spectroscopy. American Journal of Neuroradiology 26:463-468, 2005.
Zou P, Mulhern RK, Butler RW, Li C-S, Langston JW, Ogg RJ. BOLD Responses to Visual Stimulation in Childhood Cancer Survivors. NeuroImage 24:61-69, 2005.
Ogg RJ, Kingsley PB. Optimized Precision of Inversion-Recovery T1 Measurements for Constrained Scan Time. Magn Reson Med 51:625-630, 2004.
Ries M, Boop F, Zou P, Phillips N, Johnson S, Helton, K, Ogg R. fMRI and Wada testing for language lateralization: a case of crossed dominance. Epilepsia 45:85-89, 2004.
DiBiance FA, Ogg RJ. Biomedical Engineering in the 21st Century: Medical Imaging. BMES Bulletin 24 (2): 5-10, 2000.
Steen RG, Reddick WE, Ogg RJ. More that meets the eye: significant regional heterogeneity in human cortical T1. Magn Reson Imag 18:361-368, 2000.
Ogg RJ, Langston JW, Haacke EM, Steen RG, Taylor JS. The Correlation Between Phase Shifts in Gradient-Echo MR Images and Regional Brain Iron Concentration. Magn Reson Imag 17(8):1141-1148, 1999.
Steen RG, Langston JW, Ogg RJ, Xiong X, Wang WC. Diffuse T1 reduction in gray matter of sickle cell disease patients: evidence of selective vulnerability to damage? Magn Reson Imag 17:503-515, 1999.
Ogg RJ, Langston JW, Haacke EM, Steen RG, Taylor JS. The correlation between phase shifts in gradient-echo MR images and regional brain iron concentration. Magn Reson Imag 17(8):1141-1148, 1999.
Steen RG, Reddick WE, Ogg RJ, Langston JW. Effect of a gadodiamide contrast agent on brain tissue T1. Magn Reson Imaging 17:229-235, 1999.
Kingsley PB, Ogg RJ, Steen RG, Reddick, WE. Correction of errors caused by imperfect inversion pulses in MR imaging measurement of T1 relaxation times. Magn Reson Imag 16:1049-1055, 1998.
Taylor JS, Ogg RJ, Langston JL. Proton MR Spectroscopy of Pediatric Brain Tumors. Mauricio Castillo, MD, ed. Neuroimaging Clinics of North America issue on Proton Spectroscopy of Brain. W. B. Saunders Company 8(4):753-779, 1998.
Ogg RJ, Steen RG. Age-related changes in brain T1 are correlated with iron concentration. Mag Reson Medicine 40:749-753, 1998.
Steen RG, Reddick WE, Mulhern RK, Langston JW, Ogg RJ, Bierberich AA, Kingsley PB, Wang WC. Quantitative MRI of the brain in children with sickle cell disease reveals abnormalities unseen by conventional MRI. J Magn Reson Imaging 8:535-543, 1998.
Steen RG, Langston JW, Ogg RJ, Manci E, Mulhern RK, Wang WC. Ectasia of the basilar artery in children with sickle cell disease: relationship to hematocrit and psychometric measures. J Stroke Cerebrovasc Dis 7:32-43, 1998.
Cho S, Jones D, Reddick WE, Ogg RJ, Steen RG. Establishing norms for age-related changes in proton T1 of human brain tissue in vivo. Magn Reson Imaging 15(10):1133-1143, 1997.
Posse S, Dager SR, Richards TL, Yuan C, Ogg R, Attru AA, Mueller-Cartuer H-W, Hayes C. In vivo measurement of regional brain metabolic response to hyperventilation using magnetic resonance proton echo-planar spectroscopic imaging. Magn Reson Med 37:858-865, 1997.
Steen RG, Ogg RJ, Reddick WE, Kingsley PB. Age-related changes in the pediatric brain: quantitative MR imaging provides evidence of maturational changes during adolescence. Am J Neuroradiol 18(5):819-828, 1997.
Taylor JS, Langston JW, Reddick WE, Kingsley PB, Ogg RJ, Pui MH, Kun LE, Jenkins JJ, Chen G, Ochs J, Sanford RA, Heideman RL. Clinical value of proton MR spectroscopy for differentiating recurrent or residual brain tumor from delayed cerebral necrosis. Int J Radiat Oncol Biol Phys 36:1251-1261, 1996.
Steen RG, Langston JW, Reddick WE, Ogg RJ, Chen G, Wang WC. Quantitative magnetic resonance imaging (qMRI) of children with sickle cell disease: Striking T1 elevation in the thalamus. J Magn Reson Imaging 6(1):226-234, 1996.
Reddick WE, Ogg RJ, Steen RG, Taylor JS. Statistical error mapping for reliable quantitative T1 imaging. J Magn Reson Imaging 6(1):244-249, 1996.
Last update: July 2008
