Scholars@Duke

• Background
• 

  Education, Training, & Certifications

  • M.D., University of North Carolina - Chapel Hill 2003
• 

  Previous Appointments & Affiliations

  • Associate Professor of Radiology, Radiology, Neuroradiology, Radiology 2017 - 2021
  • Assistant Professor of Radiology, Radiology, Neuroradiology, Radiology 2011 - 2017
  • Medical Instructor in the Department of Radiology, Radiology, Neuroradiology, Radiology 2009 - 2011
• 

  Leadership & Clinical Positions at Duke

  • Division Chief, Neuroradiology
• Research
• 

  Selected Grants

  • Imaging Differentiation of Spontaneous Intracranial Hypotension and Chari I Malformation awarded by Spinal CSF Leak Foundation 2018 - 2021
  • Prospective outcomes assessment of patients with spontaneous intracranial hypotension caused by cerebrospinal fluid venous fistula treated with surgical ablation awarded by Spinal CSF Leak Foundation 2018
• 

  External Relationships

  • Spinal CSF Leak Foundation
• Publications & Artistic Works
• 

  Selected Publications

  • Academic Articles

    • Said, Nicholas, Timothy J. Amrhein, Anand B. Joshi, Nicholas C Nacey N, and Peter G. Kranz. “Facets of facet joint interventions.” Skeletal Radiol, October 17, 2022. https://doi.org/10.1007/s00256-022-04184-5.
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    • James, Michael L., Jesse Troy, Nathaniel Nowacki, Jordan Komisarow, Christa B. Swisher, Kristi Tucker, Kevin Hatton, et al. “Correction to: CN-105 in Participants with Acute Supratentorial Intracerebral Hemorrhage (CATCH) Trial.” Neurocrit Care 37, no. 2 (October 2022): 610. https://doi.org/10.1007/s12028-022-01553-9.
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    • Kranz, Peter George, and Timothy J. Amrhein. “The promise and challenges of CSF-venous fistula treatment.” J Neurointerv Surg 14, no. 10 (October 2022): 951–52. https://doi.org/10.1136/neurintsurg-2022-018658.
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    • Sánchez, N., P. Kranz, and D. Constenla. “Leukocoria in Children: Findings on CT and MRI of the Principal Causes.” Neurographics 12, no. 4 (October 1, 2022): 192–202. https://doi.org/10.3174/ng.2100035.
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    • Barish, Scott, Mumine Senturk, Kelly Schoch, Amanda L. Minogue, Diego Lopergolo, Chiara Fallerini, Jake Harland, et al. “The microRNA processor DROSHA is a candidate gene for a severe progressive neurological disorder.” Hum Mol Genet 31, no. 17 (August 25, 2022): 2934–50. https://doi.org/10.1093/hmg/ddac085.
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    • Heider, Robert, Peter G. Kranz, Erin Hope Weant, Linda Gray, and Timothy J. Amrhein. “Digital manometry to measure cerebrospinal fluid pressure during lumbar puncture.” Neuroradiol J 35, no. 4 (August 2022): 486–89. https://doi.org/10.1177/19714009211055190.
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    • Lusk, Jay B., Jesse Troy, Nathaniel Nowacki, Peter G. Kranz, Maureen Maughan, Daniel T. Laskowitz, and Michael L. James. “An Exploratory Analysis of Biomarkers of Perihematomal Edema in the CN-105 in Participants with Acute Supratentorial Intracerebral Hemorrhage (CATCH) Trial.” J Stroke Cerebrovasc Dis 31, no. 8 (August 2022): 106600. https://doi.org/10.1016/j.jstrokecerebrovasdis.2022.106600.
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    • Amrhein, Timothy J., Peter G. Kranz, Sarah Cantrell, Constance R. Deline, Carrie M. Carr, Dong Kun Kim, Karen M. Goldstein, and John W. Williams. “Efficacy of epidural blood patching or surgery in spontaneous intracranial hypotension: an evidence map protocol.” Syst Rev 11, no. 1 (June 7, 2022): 116. https://doi.org/10.1186/s13643-022-01989-2.
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    • Houk, Jessica L., Daniele M. Marin, Michael D. Malinzak, Peter G. Kranz, and Timothy J. Amrhein. “Dual energy CT for the identification of CSF-Venous Fistulas and CSF leaks in spontaneous intracranial hypotension: Report of four cases.” Radiol Case Rep 17, no. 5 (May 2022): 1824–29. https://doi.org/10.1016/j.radcr.2022.02.053.
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    • James, Michael L., Jesse Troy, Nathaniel Nowacki, Jordan Komisarow, Christa B. Swisher, Kristi Tucker, Kevin Hatton, et al. “CN-105 in Participants with Acute Supratentorial Intracerebral Hemorrhage (CATCH) Trial.” Neurocrit Care 36, no. 1 (February 2022): 216–25. https://doi.org/10.1007/s12028-021-01287-0.
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    • Kranz, Peter G., Linda Gray, Michael D. Malinzak, Jessica L. Houk, Dong Kun Kim, and Timothy J. Amrhein. “CSF-Venous Fistulas: Anatomy and Diagnostic Imaging.” Ajr Am J Roentgenol 217, no. 6 (December 2021): 1418–29. https://doi.org/10.2214/AJR.21.26182.
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    • Houk, Jessica L., Timothy J. Amrhein, Linda Gray, Michael D. Malinzak, and Peter G. Kranz. “Differentiation of Chiari malformation type 1 and spontaneous intracranial hypotension using objective measurements of midbrain sagging.” J Neurosurg, October 29, 2021, 1–8. https://doi.org/10.3171/2021.6.JNS211010.
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    • Malinzak, Michael D., Peter G. Kranz, Linda Gray, and Timothy J. Amrhein. “Postsurgical Recurrence of CSF-Venous Fistulas in Spontaneous Intracranial Hypotension.” Neurol Clin Pract 11, no. 3 (June 2021): e356–58. https://doi.org/10.1212/CPJ.0000000000001061.
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    • Amrhein, T. J., L. Gray, M. D. Malinzak, and P. G. Kranz. “Respiratory Phase Affects the Conspicuity of CSF-Venous Fistulas in Spontaneous Intracranial Hypotension.” Ajnr Am J Neuroradiol 41, no. 9 (September 2020): 1754–56. https://doi.org/10.3174/ajnr.A6663.
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    • Wang, Timothy Y., Isaac O. Karikari, Timothy J. Amrhein, Linda Gray, and Peter G. Kranz. “Clinical Outcomes Following Surgical Ligation of Cerebrospinal Fluid-Venous Fistula in Patients With Spontaneous Intracranial Hypotension: A Prospective Case Series.” Oper Neurosurg (Hagerstown) 18, no. 3 (March 1, 2020): 239–45. https://doi.org/10.1093/ons/opz134.
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    • Griffin, Andrew S., Lucy Lu, Stephanie Peacock, Linda Gray, Peter G. Kranz, and Timothy J. Amrhein. “CSF volume provocation maneuvers during lumbar puncture as a possible predictive tool for diagnosing spontaneous intracranial hypotension.” Clin Neurol Neurosurg 186 (November 2019): 105552. https://doi.org/10.1016/j.clineuro.2019.105552.
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    • Kranz, Peter G., Linda Gray, Michael D. Malinzak, and Timothy J. Amrhein. “Spontaneous Intracranial Hypotension: Pathogenesis, Diagnosis, and Treatment.” Neuroimaging Clin N Am 29, no. 4 (November 2019): 581–94. https://doi.org/10.1016/j.nic.2019.07.006.
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    • Amrhein, Timothy J., Erol Bozdogan, Sunit Vekaria, Prasad Patel, Reginald Lerebours, Sheng Luo, and Peter G. Kranz. “Cross-sectional CT Assessment of the Extent of Injectate Spread at CT Fluoroscopy-guided Cervical Epidural Interlaminar Steroid Injections.” Radiology 292, no. 3 (September 2019): 723–29. https://doi.org/10.1148/radiol.2019182795.
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    • Shashi, Vandana, Janelle Geist, Youngha Lee, Yongjin Yoo, Unbeom Shin, Kelly Schoch, Jennifer Sullivan, et al. “Heterozygous variants in MYBPC1 are associated with an expanded neuromuscular phenotype beyond arthrogryposis.” Hum Mutat 40, no. 8 (August 2019): 1115–26. https://doi.org/10.1002/humu.23760.
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    • Kranz, Peter G., Linda Gray, and Timothy J. Amrhein. “Spontaneous Intracranial Hypotension: 10 Myths and Misperceptions - An Editorial Comment.” Headache 59, no. 7 (July 2019): 977–78. https://doi.org/10.1111/head.13571.
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    • Kranz, P. G., L. Gray, and T. J. Amrhein. “Decubitus CT Myelography for Detecting Subtle CSF Leaks in Spontaneous Intracranial Hypotension.” Ajnr Am J Neuroradiol 40, no. 4 (April 2019): 754–56. https://doi.org/10.3174/ajnr.A5995.
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    • Amrhein, Timothy J., and Peter G. Kranz. “Spontaneous Intracranial Hypotension: Imaging in Diagnosis and Treatment.” Radiol Clin North Am 57, no. 2 (March 2019): 439–51. https://doi.org/10.1016/j.rcl.2018.10.004.
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    • Kranz, Peter G., and Timothy J. Amrhein. “Imaging Approach to Myelopathy: Acute, Subacute, and Chronic.” Radiol Clin North Am 57, no. 2 (March 2019): 257–79. https://doi.org/10.1016/j.rcl.2018.09.006.
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    • Shashi, Vandana, Maria M. Magiera, Dennis Klein, Maha Zaki, Kelly Schoch, Sabine Rudnik-Schöneborn, Andrew Norman, et al. “Loss of tubulin deglutamylase CCP1 causes infantile-onset neurodegeneration.” Embo J 37, no. 23 (December 3, 2018). https://doi.org/10.15252/embj.2018100540.
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    • Shah, L. M., P. G. Kranz, Y. Anzai, T. A. Hutchins, W. N. Gibbs, N. Pierson, B. W. Aldred, and R. H. Wiggins. “Critical Assessment of Myelography Practices: A Call for Rational Guideline Revision.” Ajnr Am J Neuroradiol 39, no. 12 (December 2018): 2378–84. https://doi.org/10.3174/ajnr.A5867.
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    • Kranz, Peter G., Michael D. Malinzak, and Timothy J. Amrhein. “Approach to Imaging in Patients with Spontaneous Intracranial Hemorrhage.” Neuroimaging Clin N Am 28, no. 3 (August 2018): 353–74. https://doi.org/10.1016/j.nic.2018.03.003.
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    • McFarlin, Jessica, Claire E. Hailey, Wenjing Qi, Peter G. Kranz, Weiping Sun, Wei Sun, Marisa Gray, Nicolas Kon Kam King, Daniel T. Laskowitz, and Michael L. James. “Associations between Patient Characteristics and a New, Early Do-Not-Attempt Resuscitation Order after Intracerebral Hemorrhage.” J Palliat Med 21, no. 8 (August 2018): 1161–65. https://doi.org/10.1089/jpm.2017.0519.
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    • Parivash, Sherveen N., Peter G. Kranz, Linda Gray, and Timothy J. Amrhein. “CT Fluoroscopy-Guided Interlaminar Epidural Steroid Injections in the Cervical Spine: Rate of Nontarget Injection Into the Retrodural Space of Okada.” Ajr Am J Roentgenol 211, no. 2 (August 2018): 426–31. https://doi.org/10.2214/AJR.18.19606.
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    • Liu, Ning, Kelly Schoch, Xi Luo, Loren D. M. Pena, Venkata Hemanjani Bhavana, Mary K. Kukolich, Sarah Stringer, et al. “Functional variants in TBX2 are associated with a syndromic cardiovascular and skeletal developmental disorder.” Hum Mol Genet 27, no. 14 (July 15, 2018): 2454–65. https://doi.org/10.1093/hmg/ddy146.
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    • Kranz, Peter G., Linda Gray, and Timothy J. Amrhein. “Spontaneous Intracranial Hypotension: 10 Myths and Misperceptions.” Headache 58, no. 7 (July 2018): 948–59. https://doi.org/10.1111/head.13328.
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    • Pena, Loren D. M., Yong-Hui Jiang, Kelly Schoch, Rebecca C. Spillmann, Nicole Walley, Nicholas Stong, Sarah Rapisardo Horn, et al. “Looking beyond the exome: a phenotype-first approach to molecular diagnostic resolution in rare and undiagnosed diseases.” Genet Med 20, no. 4 (April 2018): 464–69. https://doi.org/10.1038/gim.2017.128.
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    • Kranz, Peter G., Timothy J. Amrhein, and Linda Gray. “CSF Venous Fistulas in Spontaneous Intracranial Hypotension: Imaging Characteristics on Dynamic and CT Myelography.” Ajr Am J Roentgenol 209, no. 6 (December 2017): 1360–66. https://doi.org/10.2214/AJR.17.18351.
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    • Amrhein, T. J., S. N. Parivash, L. Gray, and P. G. Kranz. “Incidence of Inadvertent Dural Puncture During CT Fluoroscopy-Guided Interlaminar Epidural Corticosteroid Injections in the Cervical Spine: An Analysis of 974 Cases.” Ajr Am J Roentgenol 209, no. 3 (September 2017): 656–61. https://doi.org/10.2214/AJR.16.17738.
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    • Kranz, Peter G., Michael D. Malinzak, Timothy J. Amrhein, and Linda Gray. “Update on the Diagnosis and Treatment of Spontaneous Intracranial Hypotension.” Curr Pain Headache Rep 21, no. 8 (August 2017): 37. https://doi.org/10.1007/s11916-017-0639-3.
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    • Kranz, Peter G. “What's Your Impression? Get to the Point!.” J Am Coll Radiol 14, no. 4 (April 2017): 451. https://doi.org/10.1016/j.jacr.2016.11.004.
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    • Schoch, Kelly, Linyan Meng, Szabolcs Szelinger, David R. Bearden, Asbjorg Stray-Pedersen, Oyvind L. Busk, Nicholas Stong, et al. “A Recurrent De Novo Variant in NACC1 Causes a Syndrome Characterized by Infantile Epilepsy, Cataracts, and Profound Developmental Delay.” Am J Hum Genet 100, no. 2 (February 2, 2017): 343–51. https://doi.org/10.1016/j.ajhg.2016.12.013.
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    • Amrhein, Timothy J., William Mostertz, Maria Gisele Matheus, Genevieve Maass-Bolles, Komal Sharma, Heather R. Collins, and Peter G. Kranz. “Reformatted images improve the detection rate of acute traumatic subdural hematomas on brain CT compared with axial images alone.” Emerg Radiol 24, no. 1 (February 2017): 39–45. https://doi.org/10.1007/s10140-016-1440-z.
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    • Kranz, P. G., A. B. Joshi, L. A. Roy, K. R. Choudhury, and T. J. Amrhein. “Inadvertent Intrafacet Injection during Lumbar Interlaminar Epidural Steroid Injection: A Comparison of CT Fluoroscopic and Conventional Fluoroscopic Guidance.” Ajnr Am J Neuroradiol 38, no. 2 (February 2017): 398–402. https://doi.org/10.3174/ajnr.A5000.
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    • Shashi, Vandana, Loren D. M. Pena, Katherine Kim, Barbara Burton, Maja Hempel, Kelly Schoch, Magdalena Walkiewicz, et al. “De Novo Truncating Variants in ASXL2 Are Associated with a Unique and Recognizable Clinical Phenotype.” Am J Hum Genet 100, no. 1 (January 5, 2017): 179. https://doi.org/10.1016/j.ajhg.2016.12.004.
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    • Kranz, Peter G., Timothy J. Amrhein, Kingshuk Roy Choudhury, Teerath Peter Tanpitukpongse, and Linda Gray. “Time-Dependent Changes in Dural Enhancement Associated With Spontaneous Intracranial Hypotension.” Ajr Am J Roentgenol 207, no. 6 (December 2016): 1283–87. https://doi.org/10.2214/AJR.16.16381.
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    • Kranz, Peter G., Teerath P. Tanpitukpongse, Kingshuk Roy Choudhury, Timothy J. Amrhein, and Linda Gray. “How common is normal cerebrospinal fluid pressure in spontaneous intracranial hypotension?” Cephalalgia 36, no. 13 (November 2016): 1209–17. https://doi.org/10.1177/0333102415623071.
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    • Shashi, Vandana, Loren D. M. Pena, Katherine Kim, Barbara Burton, Maja Hempel, Kelly Schoch, Magdalena Walkiewicz, et al. “De Novo Truncating Variants in ASXL2 Are Associated with a Unique and Recognizable Clinical Phenotype.” Am J Hum Genet 99, no. 4 (October 6, 2016): 991–99. https://doi.org/10.1016/j.ajhg.2016.08.017.
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    • Amrhein, T. J., N. T. Befera, L. Gray, and P. G. Kranz. “CT Fluoroscopy-Guided Blood Patching of Ventral CSF Leaks by Direct Needle Placement in the Ventral Epidural Space Using a Transforaminal Approach.” Ajnr Am J Neuroradiol 37, no. 10 (October 2016): 1951–56. https://doi.org/10.3174/ajnr.A4842.
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    • Amrhein, Timothy J., Anand B. Joshi, and Peter G. Kranz. “Technique for CT Fluoroscopy-Guided Lumbar Medial Branch Blocks and Radiofrequency Ablation.” Ajr Am J Roentgenol 207, no. 3 (September 2016): 631–34. https://doi.org/10.2214/AJR.15.15694.
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    • Kranz, P. G., T. J. Amrhein, W. I. Schievink, I. O. Karikari, and L. Gray. “The "Hyperdense Paraspinal Vein" Sign: A Marker of CSF-Venous Fistula.” Ajnr Am J Neuroradiol 37, no. 7 (July 2016): 1379–81. https://doi.org/10.3174/ajnr.A4682.
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    • Kranz, P. G., T. P. Tanpitukpongse, K. R. Choudhury, T. J. Amrhein, and L. Gray. “Imaging Signs in Spontaneous Intracranial Hypotension: Prevalence and Relationship to CSF Pressure.” Ajnr Am J Neuroradiol 37, no. 7 (July 2016): 1374–78. https://doi.org/10.3174/ajnr.A4689.
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    • Amrhein, Timothy J., J Scott Schauberger, Peter G. Kranz, and Jenny K. Hoang. “Reducing Patient Radiation Exposure From CT Fluoroscopy-Guided Lumbar Spine Pain Injections by Targeting the Planning CT.” Ajr Am J Roentgenol 206, no. 2 (February 2016): 390–94. https://doi.org/10.2214/AJR.15.14436.
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    • Feigal, Jacob, Chen Lin, George Barrio, Peter G. Kranz, and Xavier Preud׳Homme. “Anti-N-Methyl-d-Aspartate Receptor Encephalitis Presenting With Features of Kleine-Levin Syndrome and Demyelination.” Psychosomatics 57, no. 3 (2016): 310–14. https://doi.org/10.1016/j.psym.2015.11.005.
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    • Kranz, Peter G., Patrick H. Luetmer, Felix E. Diehn, Timothy J. Amrhein, Teerath Peter Tanpitukpongse, and Linda Gray. “Myelographic Techniques for the Detection of Spinal CSF Leaks in Spontaneous Intracranial Hypotension.” Ajr Am J Roentgenol 206, no. 1 (January 2016): 8–19. https://doi.org/10.2214/AJR.15.14884.
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    • Doherty, Joshua R., Jeremy J. Dahl, Peter G. Kranz, Nada El Husseini, Hing-Chiu Chang, Nan-kuei Chen, Jason D. Allen, Katherine L. Ham, and Gregg E. Trahey. “Comparison of Acoustic Radiation Force Impulse Imaging Derived Carotid Plaque Stiffness With Spatially Registered MRI Determined Composition.” Ieee Trans Med Imaging 34, no. 11 (November 2015): 2354–65. https://doi.org/10.1109/TMI.2015.2432797.
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    • Kranz, P. G., T. J. Amrhein, and L. Gray. “Incidence of Inadvertent Intravascular Injection during CT Fluoroscopy-Guided Epidural Steroid Injections.” Ajnr Am J Neuroradiol 36, no. 5 (May 2015): 1000–1007. https://doi.org/10.3174/ajnr.A4219.
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    • Kranz, Peter G., Timothy J. Amrhein, and James M. Provenzale. “Spontaneous brain parenchymal hemorrhage: an approach to imaging for the emergency room radiologist.” Emerg Radiol 22, no. 1 (February 2015): 53–63. https://doi.org/10.1007/s10140-014-1245-x.
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    • Mihlon, Frank, Peter G. Kranz, Andreia Roxana Gafton, and Linda Gray. “Computed tomography-guided epidural patching of postoperative cerebrospinal fluid leaks.” J Neurosurg Spine 21, no. 5 (November 2014): 805–10. https://doi.org/10.3171/2014.7.SPINE13965.
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    • Viola, Ronald J., Giao B. Nguyen, Terry T. Yoshizumi, Sandra S. Stinnett, Jenny K. Hoang, and Peter G. Kranz. “Effect of Body Habitus on Radiation Dose During CT Fluoroscopy-Guided Spine Injections.” Interv Neuroradiol 20, no. 5 (October 31, 2014): 525–32. https://doi.org/10.15274/INR-2014-10043.
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    • Kranz, P. G., J. D. Wylie, J. K. Hoang, and A. S. Kosinski. “Effect of the CT table strap on radiation exposure and image quality during cervical spine CT.” Ajnr Am J Neuroradiol 35, no. 10 (October 2014): 1870–76. https://doi.org/10.3174/ajnr.A4074.
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    • Kanaly, Charles W., Ankit I. Mehta, Dale Ding, Jenny K. Hoang, Peter G. Kranz, James E. Herndon, April Coan, et al. “A novel, reproducible, and objective method for volumetric magnetic resonance imaging assessment of enhancing glioblastoma.” J Neurosurg 121, no. 3 (September 2014): 536–42. https://doi.org/10.3171/2014.4.JNS121952.
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    • Babu, Ranjith, Peter G. Kranz, Vijay Agarwal, Roger E. McLendon, Steven Thomas, Allan H. Friedman, Darell D. Bigner, and Cory Adamson. “Malignant brainstem gliomas in adults: clinicopathological characteristics and prognostic factors.” J Neurooncol 119, no. 1 (August 2014): 177–85. https://doi.org/10.1007/s11060-014-1471-9.
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    • Hoang, J. K., A. Riofrio, M. R. Bashir, P. G. Kranz, and J. D. Eastwood. “High variability in radiologists' reporting practices for incidental thyroid nodules detected on CT and MRI.” Ajnr Am J Neuroradiol 35, no. 6 (June 2014): 1190–94. https://doi.org/10.3174/ajnr.A3834.
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    • Kranz, P. G., T. J. Amrhein, and L. Gray. “Rebound intracranial hypertension: a complication of epidural blood patching for intracranial hypotension.” Ajnr Am J Neuroradiol 35, no. 6 (June 2014): 1237–40. https://doi.org/10.3174/ajnr.A3841.
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    • Pierce, Theodore, Peter G. Kranz, Christopher Roth, Dalun Leong, Peter Wei, and James M. Provenzale. “Use of apparent diffusion coefficient values for diagnosis of pediatric posterior fossa tumors.” Neuroradiol J 27, no. 2 (April 2014): 233–44. https://doi.org/10.15274/NRJ-2014-10027.
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    • Hobbs, Hasan A., Manisha Bahl, Rendon C. Nelson, Peter G. Kranz, Ramon M. Esclamado, Nathan M. Wnuk, and Jenny K. Hoang. “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. https://doi.org/10.2214/AJR.13.10972.
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    • Kranz, P. G., M. Abbott, D. Abbott, and J. K. Hoang. “Optimal contrast concentration for CT-guided epidural steroid injections.” Ajnr Am J Neuroradiol 35, no. 1 (January 2014): 191–95. https://doi.org/10.3174/ajnr.A3626.
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    • Lin, Chen, George A. Barrio, Lynne M. Hurwitz, and Peter G. Kranz. “Cerebral air embolism from angioinvasive cavitary aspergillosis.” Case Rep Neurol Med 2014 (2014): 406106. https://doi.org/10.1155/2014/406106.
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    • Sun, Weiping, Wenqin Pan, Peter G. Kranz, Claire E. Hailey, Rachel A. Williamson, Wei Sun, Daniel T. Laskowitz, and Michael L. James. “Predictors of late neurological deterioration after spontaneous intracerebral hemorrhage.” Neurocrit Care 19, no. 3 (December 2013): 299–305. https://doi.org/10.1007/s12028-013-9894-2.
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    • Umeano, O., B. Phillips-Bute, C. E. Hailey, W. Sun, M. C. Gray, B. Roulhac-Wilson, D. L. McDonagh, P. G. Kranz, D. T. Laskowitz, and M. L. James. “Gender and age interact to affect early outcome after intracerebral hemorrhage.” Plos One 8, no. 11 (November 27, 2013). https://doi.org/10.1371/journal.pone.0081664.
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    • Serafini, Sandra, Jordan M. Komisarow, William Gallentine, Mohamad A. Mikati, Melanie J. Bonner, Peter G. Kranz, Michael M. Haglund, and Gerald Grant. “Reorganization and stability for motor and language areas using cortical stimulation: case example and review of the literature.” Brain Sci 3, no. 4 (November 26, 2013): 1597–1614. https://doi.org/10.3390/brainsci3041597.
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    • Babu, Ranjith, Peter G. Kranz, Isaac O. Karikari, Allan H. Friedman, and Cory Adamson. “Clinical characteristics and treatment of malignant brainstem gliomas in elderly patients.” J Clin Neurosci 20, no. 10 (October 2013): 1382–86. https://doi.org/10.1016/j.jocn.2012.12.011.
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    • Flynn, Richard. “Positive deviance.” Am J Nurs 113, no. 10 (October 2013): 12. https://doi.org/10.1097/01.NAJ.0000435327.10471.b0.
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    • Park, Jong G., Ranjith Babu, Peter G. Kranz, Roger E. McLendon, and Cory Adamson. “Intraaxial dermoid cyst of the medulla.” J Neurosurg 119, no. 2 (August 2013): 442–45. https://doi.org/10.3171/2013.3.JNS122430.
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    • Hoang, J. K., D. P. Massoglia, M. A. Apostol, C. D. Lascola, J. D. Eastwood, and P. G. Kranz. “CT-guided cervical transforaminal steroid injections: where should the needle tip be located?” Ajnr Am J Neuroradiol 34, no. 3 (March 2013): 688–92. https://doi.org/10.3174/ajnr.A3266.
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    • Kranz, P. G., S. S. Stinnett, K. T. Huang, and L. Gray. “Spinal meningeal diverticula in spontaneous intracranial hypotension: analysis of prevalence and myelographic appearance.” Ajnr Am J Neuroradiol 34, no. 6 (2013): 1284–89. https://doi.org/10.3174/ajnr.A3359.
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    • Umeano, Odera, Barbara Phillips-Bute, Claire E. Hailey, Wei Sun, Marisa C. Gray, Briana Roulhac-Wilson, David L. McDonagh, Peter G. Kranz, Daniel T. Laskowitz, and Michael L. James. “Gender and age interact to affect early outcome after intracerebral hemorrhage.” Plos One 8, no. 11 (2013): e81664. https://doi.org/10.1371/journal.pone.0081664.
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    • Kranz, P. G., P. Raduazo, L. Gray, R. K. Kilani, and J. K. Hoang. “Reply.” American Journal of Neuroradiology 33, no. 11 (December 1, 2012). https://doi.org/10.3174/ajnr.A3430.
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    • Schauberger, J. S., P. G. Kranz, K. R. Choudhury, J. D. Eastwood, L. Gray, and J. K. Hoang. “CT-guided lumbar nerve root injections: are we using the correct radiation dose settings?” Ajnr Am J Neuroradiol 33, no. 10 (November 2012): 1855–59. https://doi.org/10.3174/ajnr.A3096.
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    • Shashi, Vandana, Alan Francis, Stephen R. Hooper, Peter G. Kranz, Michael Zapadka, Kelly Schoch, Edward Ip, Neeraj Tandon, Timothy D. Howard, and Matcheri S. Keshavan. “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): 1051–57. https://doi.org/10.1038/ejhg.2012.138.
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    • Kranz, P. G., P. Raduazo, L. Gray, R. K. Kilani, and J. K. Hoang. “CT fluoroscopy-guided cervical interlaminar steroid injections: safety, technique, and radiation dose parameters.” Ajnr Am J Neuroradiol 33, no. 7 (August 2012): 1221–24. https://doi.org/10.3174/ajnr.A2954.
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    • Kranz, Peter G., and Phillip A. Raduazo. “Technique for CT fluoroscopy-guided cervical interlaminar steroid injections.” Ajr Am J Roentgenol 198, no. 3 (March 2012): 675–77. https://doi.org/10.2214/AJR.11.6809.
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    • Provenzale, James M., and Peter G. Kranz. “Understanding errors in diagnostic radiology: proposal of a classification scheme and application to emergency radiology.” Emerg Radiol 18, no. 5 (October 2011): 403–8. https://doi.org/10.1007/s10140-011-0974-3.
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    • Kranz, Peter G., Ronald J. Viola, and Linda Gray. “Resolution of syringohydromyelia with targeted CT-guided epidural blood patching.” J Neurosurg 115, no. 3 (September 2011): 641–44. https://doi.org/10.3171/2011.3.JNS102164.
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    • Kranz, P. G., L. Gray, and J. N. Taylor. “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): 832–38. https://doi.org/10.3174/ajnr.A2384.
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    • Welling, R. D., J. A. Olson, P. G. Kranz, J. D. Eastwood, and J. K. Hoang. “Bilateral retropharyngeal parathyroid hyperplasia detected with 4D multidetector row CT.” Ajnr Am J Neuroradiol 32, no. 5 (May 2011): E80–82. https://doi.org/10.3174/ajnr.A2104.
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    • Provenzale, James M., and Peter G. Kranz. “Dural sinus thrombosis: sources of error in image interpretation.” Ajr Am J Roentgenol 196, no. 1 (January 2011): 23–31. https://doi.org/10.2214/AJR.10.5323.
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    • Hoang, Jenny K., Marc A. Apostol, Peter G. Kranz, Ramsey K. Kilani, Jeffrey N. Taylor, Linda Gray, and Christopher D. Lascola. “CT fluoroscopy-assisted cervical transforaminal steroid injection: tips, traps, and use of contrast material.” Ajr Am J Roentgenol 195, no. 4 (October 2010): 888–94. https://doi.org/10.2214/AJR.10.4369.
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    • Marshall, Allen F., Valerie L. Jewells, Peter Kranz, Yeuh Z. Lee, Weili Lin, and Carlton J. Zdanski. “Magnetic resonance imaging of guinea pig cochlea after vasopressin-induced or surgically induced endolymphatic hydrops.” Otolaryngol Head Neck Surg 142, no. 2 (February 2010): 260–65. https://doi.org/10.1016/j.otohns.2009.10.006.
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    • Kranz, P. G., and J. D. Eastwood. “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 (August 1, 2009). https://doi.org/10.3174/ajnr.A1779.
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    • Kranz, P. G., and J. D. Eastwood. “Does diffusion-weighted imaging represent the ischemic core? An evidence-based systematic review.” Ajnr Am J Neuroradiol 30, no. 6 (June 2009): 1206–12. https://doi.org/10.3174/ajnr.A1547.
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  • Book Sections

    • Wiggins, W. F., A. X. Dixon, and P. G. Kranz. “Imaging of Traumatic Brain Injury.” In Atlas of Emergency Imaging from Head-to-Toe, edited by M. N. Patlas, D. S. Katz, and M. Scaglione, 1–17. Cham: Springer International Publishing, 2020. https://doi.org/10.1007/978-3-030-44092-3_5-1.
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    • Kranz, P. G. “Neuroradiology of gliomas.” In The Duke Glioma Handbook: Pathology, Diagnosis, and Management, 121–45, 2016. https://doi.org/10.1017/CBO9781107588721.007.
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  • Conference Papers

    • Apostol, M., P. Kranz, L. Gray, J. Taylor, C. Lascola, R. Kilani, and J. Hoang. “CT-Guided Cervical Nerve Root Blocks: Tips, Traps, and Contrast Utilization.” In American Journal of Roentgenology, Vol. 194. AMER ROENTGEN RAY SOC, 2010.
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