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Profile

Profile
Research

Allan F. deGuzman, Ph.D.

Clinical Specialties

Prostate Seed Implants, Radiation Therapy for Brain Tumors and Spinal Cord Tumors in Adults and Children, Prostate Brachytherapy, Radiation Oncology, Radiosurgery, Brain Tumors, Brachytherapy, Prostate Cancer, Skin Cancer, Breast Cancer

Contact Information

Academic: 336-713-6511 | Department: 336-713-6511

Email: deguzman@wakehealth.edu

Education & Training

Ph.D., Syracuse University , 1986
B.S., Muhlenberg College , 1980
Fellowship, Yale University School of Medicine, 1987

Memberships

Am Assn Of Physicists In Med
Am Brachytherapy Soc
Am Coll Of Radiology
Am Instit Of Physics
Am Physical Society

Allan F. deGuzman, Ph.D.

Associate Professor, Radiation Oncology

Contact Information

Academic: 336-713-6511 | Department: 336-713-6511

Email: deguzman@wakehealth.edu

Recent Publications

Marshall K, Chan MD, McCoy TP, Aubuchon AC, Bourland JD, McMullen KP, deGuzman AF, Munley MT, Shaw EG, Tatter SB, Ellis TL. Predictive variables for the successful treatment of trigeminal neuralgia with gamma knife radiosurgery. Neurosurgery. 2012;70(3):566-573.

Harris S, Chan MD, Lovato JF, Ellis TL, Tatter SB, Bourland JD, Munley MT, deGuzman AF, Shaw EG, Urbanic JJ, McMullen KP. Gamma knife stereotactic radiosurgery as salvage therapy after failure of whole-brain radiotherapy in patients with small-cell lung cancer. Int J Radiat Oncol Biol Phys. 2012;83(1):e53-e59.

Attia A, Chan MD, Mott RT, Russell GB, Seif D, Bourland JD, Deguzman AF, Ellis TL, McMullen KP, Munley MT, Tatter SB, Shaw EG. Patterns of failure after treatment of atypical meningioma with gamma knife radiosurgery. J Neurooncol. 2012;108(1):179-185.

Amponsah K, Ellis TL [deceased], Chan MD, Lovato JF, Bourland JD, deGuzman AF, Ekstrand KE, Munley MT, McMullen KP, Shaw EG, Tatter SB. Retrospective analysis of imaging techniques for treatment planning and monitoring of obliteration for gamma knife treatment of cerebral arteriovenous malformation. Neurosurgery. 2012;71(4):893-900.

Squire SE, Chan MD, Furr RM, Lowell DA, Tatter SB, Ellis TL [deceased], Bourland JD, Deguzman AF, Munley MT, Ekstrand KE, Shaw EG, McMullen KP. Gamma knife radiosurgery in the treatment of tumor-related facial pain. Stereotact Funct Neurosurg. 2012;90(3):145-150.

Jensen CA, Chan MD, McCoy TP, Bourland JD, deGuzman AF, Ellis TL, Ekstrand KE, McMullen KP, Munley MT, Shaw EG, Urbanic JJ, Tatter SB. Cavity-directed radiosurgery as adjuvant therapy after resection of a brain metastasis. J Neurosurg. 2011;114(6):1585-1591.

Aubuchon AC, Chan MD, Lovato JF, Balamucki CJ, Ellis TL, Tatter SB, McMullen KP, Munley MT, Deguzman AF, Ekstrand KE, Bourland JD, Shaw EG. Repeat gamma knife radiosurgery for trigeminal neuralgia. Int J Radiat Oncol Biol Phys. 2011;81(4):1059-1065.

Lowell D, Tatter SB, Bourland JD, DeGuzman AF, Ekstrand KE, Ellis TL, Lovato JF, McMullen KP, Munley MT, Shaw EG, Urbanic JJ, Chan MD. Toxicity of gamma knife radiosurgery in the treatment of intracranial tumors in patients with collagen vascular diseases or multiple sclerosis. Int J Radiat Oncol Biol Phys. 2011;81(4):e519-e524.

Kilburn JM, Ellis TL, Urbanic JJ, Bourland JD, Munley MT, deGuzman AF, McMullen KP, Shaw EG, Tatter SB, Chan MD. Outcomes for gamma knife radiosurgery for brainstem metastases [abstract]. Int J Radiat Oncol Biol Phys. 2011;81(2 Suppl):S302.

Saconn PA, Shaw EG, Chan MD, Squire SE, Johnson AJ, McMullen KP, Tatter SB, Ellis TL, Lovato J, Bourland JD, Ekstrand KE, DeGuzman AF, Munley MT. Use of 3.0-T MRI for stereotactic radiosurgery planning for treatment of brain metastases: a single-institution retrospective review. Int J Radiat Oncol Biol Phys. 2010;78(4):1142-1146.

Lowell DA, Shaw EG, Bourland JD, de Guzman AF, Ekstrand KE, Ellis TL, McMullen KP, Munley MT, Tatter SB, Chan MD. Analysis of toxicity in patients with collagen vascular diseases or multiple sclerosis treated with gamma knife radiosurgery for intracranial tumors [abstract]. Int J Radiat Oncol Biol Phys. 2010;78(3 Suppl):S269-S270.

Lawrence MV, Rossi P, Powell D, Ekstrand KE, deGuzman AF, Munley MT, Ellis TL, Tatter SB, Stieber VW, McMullen KP, Shaw EG, Bourland JD.Relationship between radiosurgery conformity indices and acoustic neuroma tumor volume

Wentworth S, Pinn M, Bourland JD, DeGuzman AF, Ekstrand K, Ellis TL, Glazier SS, McMullen KP, Munley M, Stieber VW, Tatter SB, Shaw EG. Clinical experience with radiation therapy in the management of neurofibromatosis-associated central nervous system tumors. Int J Radiat Oncol Biol Phys. 2009;73(1):208-213.

Attia A, Chan M, Seif D, Russell GB, Bourland JD, Deguzman A, Ellis T, McMullen K, Tatter S, Shaw EG. Treatment of atypical meningiomas with gamma knife radiosurgery: the role of conformality index and margin dose [abstract]. Int J Radiat Oncol Biol Phys. 2009;75(3 Suppl 1):S226-S227.

Aubuchon AC, Chan M, Lovano J, McMullen K, Ellis T, Tatter S, Bourland J, Deguzman A, Munley M, Shaw E. Dorsal root entry zone dose predicts efficacy and toxicity for patients receiving a second radiosurgical treatment for recurrent trigeminal neuralgia [abstract]. Int J Radiat Oncol Biol Phys. 2009;75(3 Suppl 1):S240.

Jensen CA, Chan MD, McCoy TP, Shaw EG, McMullen KP, Ellis TL, Munley MT, Bourland JD, De Guzman AF, Tatter SB. Adjuvant radiosurgery after resection of a brain metastasis allows for the delay or elimination of whole brain radiotherapy [abstract]. Int J Radiat Oncol Biol Phys. 2009;75(3 Suppl 1):S226.

Hinson WH, Kearns WT, deGuzman AF, Bourland JD. Photon spectral characteristics of dissimilar 6 MV linear accelerators. Med Phys. 2008;35(5):1698-1702.

Ekstrand KE, Hinson WH, Kearns W, Bourland JD, deGuzman AF, McMullen KP, Stieber VW. Optically guided linac radiosurgery with a Leksell head frame as an adjunct to gamma knife treatment. Technol Cancer Res Treat. 2007;6(2):123-126.

Papagikos MA, Rossi PJ, Urbanic JJ, deGuzman AF, McCullough DL, Clark PE, Lee WR. A simple model predicts freedom from biochemical recurrence after low-dose rate prostate brachytherapy alone. Am J Clin Oncol. 2007;30(2):199-204.

Ekstrand K, Munley M, Kearns W, Hinson W, deGuzman A. Light-radiation field coincidence for small stereotactic fields [abstract]. Med Phys. 2007;34(6):2466.

Hinson WH, Kearns WT, deGuzman AF, Bourland JD. Photon spectral characteristics of dissimilar 6MV linear accelerators [abstract]. Med Phys. 2007;34(6):2481.

Stieber V, Robbins M, deGuzman A, Tatter S, Ekstrand K, McMullen K, Branch C, Shaw E, Bourland JD, Lovato J, Munley M, Ellis T, et al. Determination of a clinical value for the repair half-time (T1/2) of the trigeminal nerve based on outcome data from gamma knife radiosurgery for facial pain. Radiat Res. 2007;168(2):143-148.

Pinn M, Bourland JD, Ellis T, Deguzman A, Ekstrand K, McMullen K, Glazier S, Munley M, Stieber V, Tatter S, Shaw E, et al. Results of stereotactic radiosurgery for NF2 patients with acoustic neuroma [abstract]. Neuro Oncol. 2007;9(4):587.

Balamucki CJ, Stieber VW, Ellis TL, Tatter SB, DeGuzman AF, McMullen KP, Lovato J, Shaw EG, Ekstrand KE, Bourland JD, Munley MT, Robbins M, Branch C. Does dose rate affect efficacy? The outcomes of 256 gamma knife surgery procedures for trigeminal neuralgia and other types of facial pain as they relate to the half-life of cobalt. J Neurosurg. 2006;105(5):730-735.

Kim PK, Ellis TL, Stieber VW, McMullen KP, Shaw EG, McCoy TP, D'Agostino RB, Bourland JD, Deguzman AF, Ekstrand KE, Raber MR, Tatter SB. Gamma Knife surgery targeting the resection cavity of brain metastasis that has progressed after whole-brain radiotherapy. J Neurosurg. 2006;105(Suppl):75-78.

Kearns WT, Hinson WH, Hampton CJ, Butler JM, Urbanic JJ, Starnes D, deGuzman AF, Stieber VW. Radiation safety issues with PET/CT simulation for stereotactic body radiotherapy [abstract]. Int J Radiat Oncol Biol Phys. 2006;66(3 Suppl):S712-S713.

Papagikos MA, Rossi PJ, deGuzman AF, McCullough DL, Clark PE, Lee WR. A simple robust model using D90, percent positive biopsies, and clinical risk group predicts freedom from biochemical recurrence following low-dose-rate prostate brachytherapy [abstract]. Int J Radiat Oncol Biol Phys. 2006;66(3 Suppl):S381.

Powell, DF, Rossi PJ, Lawrence MV, Kavanagh K, McMullen KP, Stieber VW, Ellis TL, deGuzman AF, Bourland JD, Tatter SB. Stereotactic radiosurgery improves pre-treatment symptoms in patients with acoustic neuroma [abstract]. Int J Radiat Oncol Biol Phys. 2006;66(3 Suppl):S198.