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Zsolt Szabo
Professor of Radiology

Academic Degrees
M.D., Medical School Belgrade, 1973
M.D., Medical School of Dusseldorf, 1981
PhD, Heinrich Heine University Dusseldorf, 1988

Departmental Affiliation
Dept of Radiology * Nuclear Medicine

Departmental Address
JHOC 3233 – Radiology
601 North Caroline Street
Baltimore, MD 21287

Phone: (410)-614-4417, (410)-955-6989
Fax: (410)-614-3896

Selected Publications

McCann UD, Szabo Z, Seckin E, Rosenblatt P, Mathews WB, Ravert HT, Dannals RF, Ricaurte GA: Quantitative PET studies of the serotonin transporter in MDMA users and controls using [11C]McN5652 and [11C]DASB. Neuropsychopharmacology 30:1741-1750, 2005.

Mathews WB, Yoo SE, Lee SH, Scheffel U, Rauseo PA, Zober TG, Gocco G, Sandberg K, Ravert HT, Dannals RF, Szabo Z: A novel radioligand for imaging the AT1 angiotensin receptor with PET. Nucl. Med. Biol. 31: 571-574, 2005.

Owonikoko TK, Sandberg K, Brown PR, Nisar N, Hilton J, Mathews WB, Ravert HT, Rauseo P, Fabucci ME, Dannals RF, Szabo Z: In Vivo Investigation of Estrogen Regulation of Adrenal and Renal Angiotensin (AT1) Receptor Expression by PET. J Nucl Med 45:94-100, 2004.

Szabo Z, Owonikoko T, Peyrot M, Varga J, Mathews WB, Ravert HT, Dannals RF, Wand G: Positron emission tomography imaging of the serotonin transporter in subjects with a history of alcoholism. Biol Psychiatry 2004;55:766-71

Kerenyi L, Ricaurte GA, Schretlen DJ, McCann U, Varga J, Mathews WB, Ravert HT, Dannals RF, Hilton J, Wong DF, Szabo Z: Positron Emission Tomography of Striatal Serotonin Transporters in Parkinson’s Disease. Arch Neurol 60:1223-1229, 2003.

Gotjen D, Szabo Z, Lee And S, Wand G: Hormone responses to citalopram in abstinent alcohol dependent subjects. Alcohol Clin Exp Res. 26:1625-31, 2002.Szabo Z, McCann UD, Wilson AA, Scheffel UU, Owonikoko T, Mathews WB, Ravert HT, Hilton J, Dannals RF, Ricaurte, GA: Comparison of [11C](+)McN5652 and [11C]DASB as serotonin transporter radioligands under various experimental conditions. J Nucl Med 43:678–692, 2002.

Varga J, Szabo Z: Modified regression model for the Logan plot. J Cer Blood Flow Metab  22:240-244, 2002.

Wang Y, Adali T, Xuan J, Szabo Z: Magnetic Resonance Image Analysis by Information Theoretic Criteria and Stochastic Site Models. IEEE Trans. Inform. Techn. Biomed. 5(2): 150-158, 2001.

Aleksic S, Szabo Z, Scheffel U, Ravert HT, Mathews WB, Kerenyi L, Rauseo PA, Gibson RE, Burns HD, Dannals RF: In vivo labeling of endothelin receptors with [C-11]L-753,037; studies in mice and dog. J Nucl Med 42: 1274-1280, 2001.

Szabo Z, Speth RC, Brown R, Kerenyi L, Kao PF, Mathews WB, Ravert HT, Hilton J, Rauseo PA, Dannals RF, Zheng W, Lee S, Sandberg K: Use of positron emission tomography to study AT1 receptor regulation in vivo. J Am Soc Nephrol 12:1350-1358, 2001.

Zheng W, Ji H, Szabo Z, Brown PR, Yoo SE, Sandberg K: Coordinate regulation of canine glomeruli and adrenal angiotensin receptors by dietary sodium manipulation. Kidney Int. 59(5):1881-90, 2001.

Hilton J, Yokoi F, Dannals RF, Ravert HT, Szabo Z, Wong DF: Column?switching HPLC for the analysis of plasma in PET imaging studies. Nucl Med Biol. 27, 627-30, 2000.

Ricaurte GA, McCann UD, Szabo Z, Scheffel U: Toxicodynamics and long-term toxicity of the recreational drug, 3,4-methylenedioxymeth-amphetamine (MDMA, ‘Ecstasy’). Toxicology Letters 112-113: 143-146, 2000.

Szabo Z, Scheffel U, Mathews WB, Ravert HT, Szabo K, Kraut M, Palmon S, Ricaurte GA, Dannals RF: Kinetic analysis of [11C]McN5652: A serotonin transporter radioligand. J. Cereb. Blood Flow Metab. 19:967-981, 1999.

Madar I, Anderson JH, Szabo Z, Scheffel U, Kao PF, Ravert HT, Dannals RF: Enhanced uptake of [11C]TPMP in canine brain tumor: a PET study. J Nucl Med 40:1180-1185, 1999.

Brust P, Scheffel U, Szabo Z: Radioligands for the study of the 5-HT transporter in vivo. IDrugs 2: 129-145, 1999.

Kim SE, Szabo Z, Seki C, Ravert HT, Scheffel U, Dannals RF, Wagner HN Jr: Effect of tracer metabolism on PET measurement of [11C]pyrilamine binding to histamine H1 receptors. Ann Nucl Med 13:101-107, 1999.

McCann UD, Szabo Z, Scheffel U, Dannals RF, Ricaurte GA: Positron emission tomographic evidence of toxic effect of MDMA (“Ecstasy”) on brain serotonin neurons in human beings. Lancet 352:1433-1437, 1998.

Szabo Z, Kao PF, Burns HD, Gibson RE, Hamill TG, Ravert HT, Kim SE, Mathews WB, Musachio JL, Scheffel U, Dannals RF: Positron Emission Tomography Imaging of the Angiotensin II/AT1 Receptors of the Dog Kidney using [11C]L-159,884. J Nucl Med 39:1209-1213, 1998.

Scheffel U, Szabo Z, Mathews WB, Finley PA, Dannals RF, Ravert HT, Szabo K, Yuan J, Ricaurte GA: In vivo detection of short- and long-term MDMA neurotoxicity. A positron emission tomography study in the living baboon brain. Synapse 29:183-192, 1998.

Wang Y, Adali T, Kung SY, Szabo Z: Quantification and segmentation of brain tissues from MR images: A probabilistic network approach. IEEE Transactions on Image Processing 7:1165-1181, 1998.

Scheffel U, Szabo Z, Mathews WB, Finley PA, Yuan J, Dannals RF, Ravert HT, Ricaurte GA: Fenfluramine-induced loss of serotonin transporters in baboon brain visualized with PET. Synapse 24:395-398, 1997.

Kim SE, Scheffel U, Szabo Z, Burns HD, Gibson RE, Ravert HT, Mathews WB, Hamill TG, Dannals RF: In vivo labeling of angiotensin II receptors with carbon-11 labeled L-159,884, an AT1 subtype selective nonpeptide antagonist. J Nucl Med 37:307-311, 1996.

Szabo Z, Kao PF,  Scheffel U, Suehiro M, Mathews WB, Ravert HT,  Musachio JL, Marenco S, Kim SE, Ricaurte GA, Wong DF, Wagner HN Jr, Dannals RF: Positron Emission Tomography Imaging of the Human Brain Serotonin Transporters using [11C](+)McN5652, Synapse 20:37-43, 1995.

Szabo Z, Kao PF,   Mathews WB, Ravert HT, Musachio JL,  Dannals RF, Scheffel U, Wagner HN Jr: Positron Emission Tomography of Serotonin Reuptake Sites in Human Brain with C?11 McN5652: Extraction of Characteristic Images by Artificial Neural Network Analysis. Behavioral Brain Research Research 73:221-224, 1996

Szabo Z,Scheffel U, Suehiro M, Dannals RF, Kim SE,  Ravert HT, Ricaurte GA, Wagner HN Jr: Positron emission tomography of the serotonin transporter sites in the baboon brain with [11C]McN5652 J.Cerebr.Blood Flow Metab. 15:798-805, 1995

Szabo Z.: Artificial Intelligence - Applications. In H.N. Wagner, Z. Szabo (Eds) Principles of Nuclear Medicine 2nd Edition, Saunders Philadelphia, 1995

Szabo Z.: Transport Systems. In H.N. Wagner, Z. Szabo (Eds) Principles of Nuclear Medicine 2nd Edition, Saunders Philadelphia, 1995

Szabo Z.: Non-Compartmental Analysis. In H.N. Wagner, Z. Szabo (Eds) Principles of Nuclear Medicine 2nd Edition, Saunders Philadelphia

Szabo Z.: Statistics - Applications. In H.N. Wagner, Z. Szabo (Eds) Principles of Nuclear Medicine 2nd Edition, Saunders Philadelphia, 1995

Krause BJ, Szabo Z, Becker LC, Dannals RF, Scheffel U, Seki C, Ravert HT, DiPaola AF Jr, Wagner HN Jr: Myocardial perfusion with [11C]methyl triphenyl phosphonium: measurements of the extraction fraction and myocardial uptake. J Nucl Biol Med 38:521-526, 1994.

Szabo Z, Ravert HT, Gozukara I, Geckle W, Seki C, Sostre S, Peller P, Monsein L, Natarajan TK, Links JM, Wong DF, Dannals RF, Wagner HN Jr: Noncompartmental and Compartmental analysis of the kinetics of Carbon-11 labeled pyrilamine in the human brain. Synapse 15:263-275, 1993

Torsello G, Reinecke P, Szabo Z, Sandmann W. The role of pharmacologic kidney protection in preventing post-ischemic renal failure in animal experiments. Zentralbl Chir 118:412-419, 1993

Sostre S, Osman M, Szabo Z, Drew HH, Rivera-Luna H, Civelek C, Wagner HN Jr: Estimating renal function from the visual analysis of Tc-99m DTPA images. Clin Nucl Med 18:281-285, 1993

Szabo Z, Camargo EE, Sostre S, Shafique I, Sadzot B, Links JM, Dannals RF, Wagner HN Jr. Factor analysis of regional cerebral glucose metabolic rates in healthy men. Eur J Nucl Med, 19:469-475, 1992

Szabo Z, Links JM, Seki C, Rhine J, Wagner HN Jr. Scatter, spatial resolution, and quantitative recovery in high resolution SPECT. J Comput Assist Tomogr, 16:461-467, 1992

Camargo EE, Szabo Z, Links J, Sostre S, Dannals RF, Wagner HN Jr: The influence of biological and technical factors on the variability of global and regional metabolism of 2-(18F)fluoro-2-deoxy-d-glucose. J Cerebr Blood Flow Metabol, 12:281-290, 1992.

Geckle WJ, Szabo Z: Physiological factor analysis (PFA) and parametric imaging of dynamic PET images. In: Computer-based medical systems. IEEE Computer Society Press, Los Alamos, California 1992. pp. 9-16

Camargo EE, Sostre S, Sadzot B, Shafique I, Szabo Z, Links JM, Dannals RF, Wagner HN Jr. Global and regional cerebral metabolic rate of 2-[18F]fluoro-2-deoxy-d-glucose in the presence of ofloxacin, a gamma-aminobutyric acid A receptor antagonist. Antimicrob Agents Chemother 35:648-652, 1991

Monsein LH, Jeffery PJ, van Heerden BB, Szabo Z, Schwartz JR, Camargo EE, Chazaly J: Assessing adequacy of collateral circulation during balloon test occlusion of the internal carotid artery with 99mTc-HMPAO SPECT. American Journal of Neuroradiology 12:1045-1051, 1991

Szabo Z, Kutkuhn B, Georgescu G, Mecklenbeck W, Suatmadji A, Vosberg H: Parametric imaging of the kidneys using 99mTc-Mercaptoacetyltriglycine (MAG3). Nucl Med 28:73-83, 1989

Kutkuhn B, Szabo Z, Torsello G, Grabensee B: Endocrine and nuclear medicine diagnostics of renovascular hypertension. DMW 114:1828-1832, 1989

Torsello G, Schror K, Szabo Z, Kutkuhn B, Strobach H, Godehardt E, Sandmann W: Effects of prostaglandin E1 (PGE1) on experimental renal ischaemia. Eur J Vasc Surg 3:5-13, 1989

Torsello G, Szabo Z, Sandmann W, Vosberg H: Effects of renal artery reconstruction on kidney perfusion and tubular function measured by new radionuclide techniques. J Cardiovasc Surg 29:296-299, 1988

Hacklander T, Szabo Z, Vosberg H, Feinendegen LE: The use of gamma functions in the calculation of organ perfusion functions for non-diffusible radioactive tracers. Phys Med Biol 33:53-59, 1988

Torsello G, Szabo Z, Kutkuhn B, Kniemeyer H, Sandmann W: Ten years experience with reconstruction of chronic total occluded renal artery. Eur J Vasc Surg 1:327-333, 1987

Szabo Z, Nyitrai L, Sondhaus C: Effects of statistical noise and digital filtering on the parameters calculated from the impulse response function. Eur J Nucl Med 13:148-154, 1987

Szabo Z, Vosberg H, Sondhaus C, Feinendegen LE: Model identification and estimation of organ function parameters using radioactive tracers and the impulse response function. Eur J Nucl Med 11:265-274, 1985

Szabo Z, Vosberg H, Torsello G, Sandmann W, Feinendegen LE: Parameters of 99mTc-DTPA-transfer function in renal artery stenosis. Cardiology 72:S46-48, 1985


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