Peter George Kranz | Scholars@Duke

Peter George Kranz
Associate Professor of Radiology

Current Appointments & Affiliations

Associate Professor of Radiology, Radiology, Neuroradiology, Radiology 2017

Contact Information

Box 3808 Med Ctr, Durham, NC 27710
Dept Of Radiology, Durham, NC 27710
peter.kranz@duke.edu (919) 684-7218

Background
Education, Training, & Certifications
- M.D., University of North Carolina at Chapel Hill 2003
Duke Appointment History
- Assistant Professor of Radiology, Radiology, Neuroradiology, Radiology 2011 - 2017
- Medical Instructor in the Department of Radiology, Radiology, Neuroradiology, Radiology 2009 - 2011
Research
Selected Grants
- Prospective outcomes assessment of patients with spontaneous intracranial hypotension caused by awarded by Spinal CSF Leak Foundation 2018
- An integrated and diverse genomic medicine program for undiagnosed diseases awarded by National Institutes of Health 2014 - 2018
Publications & Artistic Works
Selected Publications
- Journal Articles
  - Pena, LDM, Jiang, Y-H, Schoch, K, Spillmann, RC, Walley, N, Stong, N, Rapisardo Horn, S, Sullivan, JA, McConkie-Rosell, A, Kansagra, S, Smith, EC, El-Dairi, M, Bellet, J, Keels, MA, Jasien, J, Kranz, PG, Noel, R, Nagaraj, SK, Lark, RK, Wechsler, DSG, Del Gaudio, D, Leung, ML, Hendon, LG, Parker, CC, Jones, KL, Undiagnosed Diseases Network Members, , Goldstein, DB, and Shashi, V. "Looking beyond the exome: a phenotype-first approach to molecular diagnostic resolution in rare and undiagnosed diseases." Genetics in medicine : official journal of the American College of Medical Genetics 20, no. 4 (April 2018): 464-469. Full Text Open Access Copy
  - Kranz, PG, Amrhein, TJ, and Gray, L. "CSF Venous Fistulas in Spontaneous Intracranial Hypotension: Imaging Characteristics on Dynamic and CT Myelography." AJR. American journal of roentgenology 209, no. 6 (December 2017): 1360-1366. Full Text
  - Amrhein, TJ, Parivash, SN, Gray, L, and Kranz, PG. "Incidence of Inadvertent Dural Puncture During CT Fluoroscopy-Guided Interlaminar Epidural Corticosteroid Injections in the Cervical Spine: An Analysis of 974 Cases." AJR. American journal of roentgenology 209, no. 3 (September 2017): 656-661. Full Text
  - Kranz, PG, Malinzak, MD, Amrhein, TJ, and Gray, L. "Update on the Diagnosis and Treatment of Spontaneous Intracranial Hypotension." Current pain and headache reports 21, no. 8 (August 2017): 37-. (Review) Full Text
  - Kranz, PG. "What's Your Impression? Get to the Point!." Journal of the American College of Radiology : JACR 14, no. 4 (April 2017): 451-. Full Text
  - Schoch, K, Meng, L, Szelinger, S, Bearden, DR, Stray-Pedersen, A, Busk, OL, Stong, N, Liston, E, Cohn, RD, Scaglia, F, Rosenfeld, JA, Tarpinian, J, Skraban, CM, Deardorff, MA, Friedman, JN, Akdemir, ZC, Walley, N, Mikati, MA, Kranz, PG, Jasien, J, McConkie-Rosell, A, McDonald, M, Wechsler, SB, Freemark, M, Kansagra, S, Freedman, S, Bali, D, Millan, F, Bale, S, Nelson, SF, Lee, H, Dorrani, N, Goldstein, DB, Xiao, R, Yang, Y, Posey, JE, Martinez-Agosto, JA, Lupski, JR, Wangler, MF, and Shashi, V et al. "A Recurrent De Novo Variant in NACC1 Causes a Syndrome Characterized by Infantile Epilepsy, Cataracts, and Profound Developmental Delay." AMERICAN JOURNAL OF HUMAN GENETICS 100, no. 2 (February 2, 2017): 343-351. Full Text Link to Item
  - Amrhein, TJ, Mostertz, W, Matheus, MG, Maass-Bolles, G, Sharma, K, Collins, HR, and Kranz, PG. "Reformatted images improve the detection rate of acute traumatic subdural hematomas on brain CT compared with axial images alone." Emergency radiology 24, no. 1 (February 2017): 39-45. Full Text
  - Kranz, PG, Joshi, AB, Roy, LA, Choudhury, KR, and Amrhein, TJ. "Inadvertent Intrafacet Injection during Lumbar Interlaminar Epidural Steroid Injection: A Comparison of CT Fluoroscopic and Conventional Fluoroscopic Guidance." AJNR. American journal of neuroradiology 38, no. 2 (February 2017): 398-402. Full Text
  - Schoch, K, Meng, L, Szelinger, S, Bearden, DR, Stray-Pedersen, A, Busk, OL, Stong, N, Liston, E, Cohn, RD, Scaglia, F, Rosenfeld, JA, Tarpinian, J, Skraban, CM, Deardorff, MA, Friedman, JN, Akdemir, ZC, Walley, N, Mikati, MA, Kranz, PG, Jasien, J, McConkie-Rosell, A, McDonald, M, Wechsler, SB, Freemark, M, Kansagra, S, Freedman, S, Bali, D, Millan, F, Bale, S, Nelson, SF, Lee, H, Dorrani, N, UCLA Clinical Genomics Center, , Undiagnosed Diseases Network, , Goldstein, DB, Xiao, R, and Yang, Y et al. "A Recurrent De Novo Variant in NACC1 Causes a Syndrome Characterized by Infantile Epilepsy, Cataracts, and Profound Developmental Delay." American journal of human genetics 100, no. 2 (February 2017): 343-351. Full Text
  - Shashi, V, Pena, LDM, Kim, K, Burton, B, Hempel, M, Schoch, K, Walkiewicz, M, McLaughlin, HM, Cho, M, Stong, N, Hickey, SE, Shuss, CM, Undiagnosed Diseases Network, , Freemark, MS, Bellet, JS, Keels, MA, Bonner, MJ, El-Dairi, M, Butler, M, Kranz, PG, Stumpel, CTRM, Klinkenberg, S, Oberndorff, K, Alawi, M, Santer, R, Petrovski, S, Kuismin, O, Korpi-Heikkilä, S, Pietilainen, O, Aarno, P, Kurki, MI, Hoischen, A, Need, AC, Goldstein, DB, and Kortüm, F. "De Novo Truncating Variants in ASXL2 Are Associated with a Unique and Recognizable Clinical Phenotype." American journal of human genetics 100, no. 1 (January 2017): 179-. Full Text
  - Kranz, PG, Amrhein, TJ, Choudhury, KR, Tanpitukpongse, TP, and Gray, L. "Time-Dependent Changes in Dural Enhancement Associated With Spontaneous Intracranial Hypotension." AJR. American journal of roentgenology 207, no. 6 (December 2016): 1283-1287. Full Text
  - Kranz, PG, Tanpitukpongse, TP, Choudhury, KR, Amrhein, TJ, and Gray, L. "How common is normal cerebrospinal fluid pressure in spontaneous intracranial hypotension?." Cephalalgia : an international journal of headache 36, no. 13 (November 2016): 1209-1217. Full Text
  - Shashi, V, Pena, LDM, Kim, K, Burton, B, Hempel, M, Schoch, K, Walkiewicz, M, McLaughlin, HM, Cho, M, Stong, N, Hickey, SE, Shuss, CM, Undiagnosed Diseases Network, , Freemark, MS, Bellet, JS, Keels, MA, Bonner, MJ, El-Dairi, M, Butler, M, Kranz, PG, Stumpel, CTRM, Klinkenberg, S, Oberndorff, K, Alawi, M, Santer, R, Petrovski, S, Kuismin, O, Korpi-Heikkilä, S, Pietilainen, O, Aarno, P, Kurki, MI, Hoischen, A, Need, AC, Goldstein, DB, and Kortüm, F. "De Novo Truncating Variants in ASXL2 Are Associated with a Unique and Recognizable Clinical Phenotype." American journal of human genetics 99, no. 4 (October 2016): 991-999. Full Text
  - Amrhein, TJ, Joshi, AB, and Kranz, PG. "Technique for CT Fluoroscopy-Guided Lumbar Medial Branch Blocks and Radiofrequency Ablation." AJR. American journal of roentgenology 207, no. 3 (September 2016): 631-634. Full Text
  - Amrhein, TJ, Befera, NT, Gray, L, and Kranz, PG. "CT Fluoroscopy-Guided Blood Patching of Ventral CSF Leaks by Direct Needle Placement in the Ventral Epidural Space Using a Transforaminal Approach." AJNR. American journal of neuroradiology (July 7, 2016). Full Text
  - Kranz, PG, Amrhein, TJ, Schievink, WI, Karikari, IO, and Gray, L. "The "Hyperdense Paraspinal Vein" Sign: A Marker of CSF-Venous Fistula." AJNR. American journal of neuroradiology 37, no. 7 (July 2016): 1379-1381. Full Text
  - Kranz, PG, Tanpitukpongse, TP, Choudhury, KR, Amrhein, TJ, and Gray, L. "Imaging Signs in Spontaneous Intracranial Hypotension: Prevalence and Relationship to CSF Pressure." AJNR. American journal of neuroradiology 37, no. 7 (July 2016): 1374-1378. Full Text
  - Feigal, J, Lin, C, Barrio, G, Kranz, PG, and Preud׳Homme, X. "Anti-N-Methyl-d-Aspartate Receptor Encephalitis Presenting With Features of Kleine-Levin Syndrome and Demyelination." Psychosomatics 57, no. 3 (May 2016): 310-314. Full Text
  - Amrhein, TJ, Schauberger, JS, Kranz, PG, and Hoang, JK. "Reducing Patient Radiation Exposure From CT Fluoroscopy-Guided Lumbar Spine Pain Injections by Targeting the Planning CT." AJR. American journal of roentgenology 206, no. 2 (February 2016): 390-394. Full Text
  - Kranz, PG, Luetmer, PH, Diehn, FE, Amrhein, TJ, Tanpitukpongse, TP, and Gray, L. "Myelographic Techniques for the Detection of Spinal CSF Leaks in Spontaneous Intracranial Hypotension." AJR. American journal of roentgenology 206, no. 1 (January 2016): 8-19. (Review) Full Text
  - Doherty, JR, Dahl, JJ, Kranz, PG, El Husseini, N, Chang, H-C, Chen, N-K, Allen, JD, Ham, KL, and Trahey, GE. "Comparison of Acoustic Radiation Force Impulse Imaging Derived Carotid Plaque Stiffness With Spatially Registered MRI Determined Composition." IEEE transactions on medical imaging 34, no. 11 (November 2015): 2354-2365. Full Text
  - Kranz, PG, Amrhein, TJ, and Gray, L. "Incidence of Inadvertent Intravascular Injection during CT Fluoroscopy-Guided Epidural Steroid Injections." AJNR. American journal of neuroradiology 36, no. 5 (May 2015): 1000-1007. Full Text
  - Kranz, PG, Amrhein, TJ, and Provenzale, JM. "Spontaneous brain parenchymal hemorrhage: an approach to imaging for the emergency room radiologist." Emergency radiology 22, no. 1 (February 2015): 53-63. (Review) Full Text
  - Mihlon, F, Kranz, PG, Gafton, AR, and Gray, L. "Computed tomography-guided epidural patching of postoperative cerebrospinal fluid leaks." Journal of neurosurgery. Spine 21, no. 5 (November 2014): 805-810. Full Text
  - Viola, RJ, Nguyen, GB, Yoshizumi, TT, Stinnett, SS, Hoang, JK, and Kranz, PG. "Effect of Body Habitus on Radiation Dose During CT Fluoroscopy-Guided Spine Injections." Interventional Neuroradiology 20, no. 5 (October 17, 2014): 525-532. Full Text
  - Kranz, PG, Wylie, JD, Hoang, JK, and Kosinski, AS. "Effect of the CT table strap on radiation exposure and image quality during cervical spine CT." AJNR. American journal of neuroradiology 35, no. 10 (October 2014): 1870-1876. Full Text
  - Kanaly, CW, Mehta, AI, Ding, D, Hoang, JK, Kranz, PG, Herndon, JE, Coan, A, Crocker, I, Waller, AF, Friedman, AH, Reardon, DA, and Sampson, JH. "A novel, reproducible, and objective method for volumetric magnetic resonance imaging assessment of enhancing glioblastoma." Journal of neurosurgery 121, no. 3 (September 2014): 536-542. Full Text
  - Babu, R, Kranz, PG, Agarwal, V, McLendon, RE, Thomas, S, Friedman, AH, Bigner, DD, and Adamson, C. "Malignant brainstem gliomas in adults: clinicopathological characteristics and prognostic factors." Journal of neuro-oncology 119, no. 1 (August 2014): 177-185. Full Text
  - Hoang, JK, Riofrio, A, Bashir, MR, Kranz, PG, and Eastwood, JD. "High variability in radiologists' reporting practices for incidental thyroid nodules detected on CT and MRI." AJNR Am J Neuroradiol 35, no. 6 (June 2014): 1190-1194. Full Text Link to Item
  - Kranz, PG, Amrhein, TJ, and Gray, L. "Rebound intracranial hypertension: a complication of epidural blood patching for intracranial hypotension." AJNR Am J Neuroradiol 35, no. 6 (June 2014): 1237-1240. (Review) Full Text Link to Item
  - Pierce, T, Kranz, PG, Roth, C, Leong, D, Wei, P, and Provenzale, JM. "Use of apparent diffusion coefficient values for diagnosis of pediatric posterior fossa tumors." The neuroradiology journal 27, no. 2 (April 18, 2014): 233-244. Full Text
  - Babu, R, Kranz, PG, Agarwal, V, McLendon, RE, Thomas, S, Friedman, AH, Bigner, DD, and Adamson, C. "Malignant brainstem gliomas in adults: Clinicopathological characteristics and prognostic factors." Journal of Neuro-Oncology 119, no. 1 (January 1, 2014): 177-185. Full Text
  - Hobbs, HA, Bahl, M, Nelson, RC, Kranz, PG, Esclamado, RM, Wnuk, NM, and Hoang, JK. "Journal Club: incidental thyroid nodules detected at imaging: can diagnostic workup be reduced by use of the Society of Radiologists in Ultrasound recommendations and the three-tiered system?." AJR Am J Roentgenol 202, no. 1 (January 2014): 18-24. Full Text Link to Item
  - Kranz, PG, Abbott, M, Abbott, D, and Hoang, JK. "Optimal contrast concentration for CT-guided epidural steroid injections." AJNR Am J Neuroradiol 35, no. 1 (January 2014): 191-195. Full Text Link to Item
  - Kranz, PG, Amrhein, TJ, and Provenzale, JM. "Spontaneous brain parenchymal hemorrhage: an approach to imaging for the emergency room radiologist." Emergency Radiology 22, no. 1 (2014): 53-63. Full Text
  - Lin, C, Barrio, GA, Hurwitz, LM, and Kranz, PG. "Cerebral air embolism from angioinvasive cavitary aspergillosis." Case reports in neurological medicine 2014 (January 2014): 406106-. Full Text Open Access Copy
  - Sun, W, Pan, W, Kranz, PG, Hailey, CE, Williamson, RA, Sun, W, Laskowitz, DT, and James, ML. "Predictors of late neurological deterioration after spontaneous intracerebral hemorrhage." Neurocrit Care 19, no. 3 (December 2013): 299-305. Full Text Link to Item
  - Sun, W, Sun, W, Pan, W, Kranz, PG, Hailey, CE, Williamson, RA, Laskowitz, DT, and James, ML. "Predictors of late neurological deterioration after spontaneous intracerebral hemorrhage." Neurocritical Care 19, no. 3 (December 1, 2013): 299-305. Full Text
  - Umeano, O, Phillips-Bute, B, Hailey, CE, Sun, W, Gray, MC, Roulhac-Wilson, B, McDonagh, DL, Kranz, PG, Laskowitz, DT, and James, ML. "Gender and age interact to affect early outcome after intracerebral hemorrhage." PLoS ONE 8, no. 11 (November 27, 2013). Full Text
  - Serafini, S, Komisarow, JM, Gallentine, W, Mikati, MA, Bonner, MJ, Kranz, PG, Haglund, MM, and Grant, G. "Reorganization and stability for motor and language areas using cortical stimulation: case example and review of the literature." Brain sciences 3, no. 4 (November 26, 2013): 1597-1614. Full Text
  - Babu, R, Kranz, PG, Karikari, IO, Friedman, AH, and Adamson, C. "Clinical characteristics and treatment of malignant brainstem gliomas in elderly patients." J Clin Neurosci 20, no. 10 (October 2013): 1382-1386. Full Text Link to Item
  - Park, JG, Babij, R, Kranz, PG, McLendon, RE, and Adamson, C. "Intraaxial dermoid cyst of the medulla." JOURNAL OF NEUROSURGERY 119, no. 2 (August 2013): 442-445. Full Text Link to Item
  - Kranz, PG, Stinnett, SS, Huang, KT, and Gray, L. "Spinal meningeal diverticula in spontaneous intracranial hypotension: analysis of prevalence and myelographic appearance." AJNR Am J Neuroradiol 34, no. 6 (June 2013): 1284-1289. Full Text Link to Item
  - Hoang, JK, Massoglia, DP, Apostol, MA, Lascola, CD, Eastwood, JD, and Kranz, PG. "CT-guided cervical transforaminal steroid injections: where should the needle tip be located?." AJNR Am J Neuroradiol 34, no. 3 (March 2013): 688-692. Full Text Link to Item
  - Babu, R, Kranz, PG, Karikari, IO, Friedman, AH, and Adamson, C. "Clinical characteristics and treatment of malignant brainstem gliomas in elderly patients." Journal of Clinical Neuroscience 20, no. 10 (2013): 1382-1386. Full Text
  - Kranz, PG, and Provenzale, JM. "Imaging "worst headache of my life" part 2: Conditions where initial CT is often normal, but other imaging may be diagnostic." Applied Radiology 42, no. 8 (2013): 12-16.
  - Umeano, O, Phillips-Bute, B, Hailey, CE, Sun, W, Gray, MC, Roulhac-Wilson, B, McDonagh, DL, Kranz, PG, Laskowitz, DT, and James, ML. "Gender and age interact to affect early outcome after intracerebral hemorrhage. (Published online)" PLoS One 8, no. 11 (2013): e81664-. Full Text Open Access Copy Link to Item
  - Schauberger, JS, Kranz, PG, Choudhury, KR, Eastwood, JD, Gray, L, and Hoang, JK. "CT-guided lumbar nerve root injections: are we using the correct radiation dose settings?." AJNR Am J Neuroradiol 33, no. 10 (November 2012): 1855-1859. Full Text Link to Item
  - Shashi, V, Francis, A, Hooper, SR, Kranz, PG, Zapadka, M, Schoch, K, Ip, E, Tandon, N, Howard, TD, and Keshavan, MS. "Increased corpus callosum volume in children with chromosome 22q11.2 deletion syndrome is associated with neurocognitive deficits and genetic polymorphisms." Eur J Hum Genet 20, no. 10 (October 2012): 1051-1057. Full Text Link to Item
  - Kranz, PG, Raduazo, P, Gray, L, Kilani, RK, and Hoang, JK. "CT fluoroscopy-guided cervical interlaminar steroid injections: safety, technique, and radiation dose parameters." AJNR Am J Neuroradiol 33, no. 7 (August 2012): 1221-1224. Full Text Link to Item
  - Kranz, PG, and Raduazo, PA. "Technique for CT fluoroscopy-guided cervical interlaminar steroid injections." AJR Am J Roentgenol 198, no. 3 (March 2012): 675-677. Full Text Link to Item
  - Kranz, PG, Raduazo, P, Gray, L, Kilani, RK, and Hoang, JK. "Reply." American Journal of Neuroradiology 33, no. 11 (2012): E139-. Full Text
  - Provenzale, JM, and Kranz, PG. "Understanding errors in diagnostic radiology: proposal of a classification scheme and application to emergency radiology." Emerg Radiol 18, no. 5 (October 2011): 403-408. Full Text Link to Item
  - Kranz, PG, Viola, RJ, and Gray, L. "Resolution of syringohydromyelia with targeted CT-guided epidural blood patching." J Neurosurg 115, no. 3 (September 2011): 641-644. Full Text Link to Item
  - Kranz, PG, Gray, L, and Taylor, JN. "CT-guided epidural blood patching of directly observed or potential leak sites for the targeted treatment of spontaneous intracranial hypotension." AJNR Am J Neuroradiol 32, no. 5 (May 2011): 832-838. Full Text Link to Item
  - Welling, RD, Olson, JA, Kranz, PG, Eastwood, JD, and Hoang, JK. "Bilateral retropharyngeal parathyroid hyperplasia detected with 4D multidetector row CT." AJNR Am J Neuroradiol 32, no. 5 (May 2011): E80-E82. Full Text Link to Item
  - Provenzale, JM, and Kranz, PG. "Dural sinus thrombosis: sources of error in image interpretation." AJR Am J Roentgenol 196, no. 1 (January 2011): 23-31. (Review) Full Text Link to Item
  - Hoang, JK, Apostol, MA, Kranz, PG, Kilani, RK, Taylor, JN, Gray, L, and Lascola, CD. "CT fluoroscopy-assisted cervical transforaminal steroid injection: tips, traps, and use of contrast material." AJR Am J Roentgenol 195, no. 4 (October 2010): 888-894. Full Text Link to Item
  - Marshall, AF, Jewells, VL, Kranz, P, Lee, YZ, Lin, W, and Zdanski, CJ. "Magnetic resonance imaging of guinea pig cochlea after vasopressin-induced or surgically induced endolymphatic hydrops." Otolaryngology - Head and Neck Surgery 142, no. 2 (2010): 260-265. Full Text
  - Kranz, PG, and Eastwood, JD. "Does diffusion-weighted imaging represent the ischemic core? An evidence-based systematic review." AJNR Am J Neuroradiol 30, no. 6 (June 2009): 1206-1212. (Review) Full Text Link to Item
  - Kranz, PG, and Eastwood, JD. "Does diffusion-weighted imaging represent the ischemic core? An evidence-based systematic review (American Journal of Neuroradiology 30, (1206-1212))." American Journal of Neuroradiology 30, no. 7 (2009): E114-. Full Text

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Education, Training, & Certifications

Duke Appointment History

Selected Grants

Selected Publications

Journal Articles