Corpo Clínico

CURRICULUM VITAE

LEO F. S. DITZEL FILHO, M.D. 

Attending, Neurosurgery 

Department of Neurosurgery

Vita Medical Center

BR 116, Km 396, 4021, Bairro Alto

Curitiba, PR 82590-100, Brazil

+55 (41) 33151935 (hospital office)

+55 (41) 91115642 (mobile)

leoditzel1@gmail.com

EDUCATION

3/1998-1/2004 Doctor of Medicine 

Pontifícia Universidade Católica do Paraná, Curitiba, Brazil

(Paraná State Catholic University)

CLINICAL TRAINING 

• 3/2005-1/2009 Neurological Surgery Residency
  Paraná State Federal University Medical Center, Department of Neurosurgery
  Chairperson: Marlus Moro, M.D.
  Program Director: João Cândido Araújo, M.D.

• 7/2009-2/2010 Skull Base Anatomy and Surgery Research Fellowship University of Pittsburgh Medical Center, Department of Neurosurgery
  Fellowship Director: Daniel M. Prevedello, M.D.

• 3/2010-9/2010 Pituitary, Skull Base and Neuro-Oncology Research Fellowship
  John Wayne Cancer Institute, Department of Neurosurgery
  Fellowship Director: Daniel F. Kelly, M.D.

• 10/2010-9/2012 Skull Base Anatomy and Surgery Research Fellowship
  The Ohio State University Medical Center, Department of Neurosurgery
  Fellowship Director: Daniel M. Prevedello, M.D.

• 10/2012-10/2014 Minimally Invasive Cranial Base Surgery Clinical Fellowship
  The Ohio State University Medical Center, Department of Neurosurgery
  Fellowship Director: Daniel M. Prevedello, M.D.

LICENSURE & CERTIFICATION

Training License – State of Ohio (A102167)
Issue Date: 11/28/2007, Expiration Date: 11/30/2015

Drug Enforcement Agency License (FK0664498) – OSU Medical Center Columbus, OH
Issue Date: 11/06/2013, Expiration Date: 12/31/2016

Brazilian Board of Neurological Surgeons: Board Certified
Written and oral board exams passed 03/2014
* The Brazilian Society of Neurosurgery is affiliated with the World Federation of Neurological Societies, WFNS

National Provider Identifier - 1851559256

PEER-REVIEWED PUBLICATIONS

1. Kerr EE, Fragoso R, Shahlaie K: Intraoperative Extracorporeal Irradiation for the Treatment of Meningioma-Involved Calvarium. (Manuscript under review for publication in Skull Base Reports).
   
   
2. Muto J, Prevedello DM, Ditzel Filho LFS, Tang IP, Oyama K, Kerr EE, Otto BA, Kawase T, Yoshida K, Carrau RL: Comparative analysis of the anterior transpetrosal approach with the endoscopic endonasal approach to the petroclival region. (Manuscript submitted to Neurosurgery.)
   
   
3. Kerr EE, Prevedello DM, Jamshidi A, Ditzel Filho LF, Otto BA, Carrau RL: Immediate Complications Associated with High-Flow Cerebrospinal Fluid Egress During Endoscopic Endonasal Skull Base Surgery. Neurosurgery Focus. 2014 Oct; 37(4): E3. Featured manuscript.
   
   
4. Oyama K, Prevedello DM, Ditzel Filho LF, Muto J, Gun R, Kerr EE, Otto BA, Carrau RL: Anatomic Comparison of the Endonasal and Transpetrosal Approaches for Interpeduncular Fossa Access. Neurosurgery Focus. 2014 Oct; 37(4): E12.
   
   
5. Labib MA, Prevedello DM, Carrau R, Kerr EE, Naudy C, Abou-Al Shaar H, Corsten M, Kassam A: A Road Map to the Internal Carotid Artery in Expanded Endoscopic Endonasal Approaches to the Ventral Cranial Base. Neurosurgery. 2014 Sep; 10 Suppl 3: 448-71.
   
   
6. Kerr EE, Schrot RJ, Kim KD: Refractory Cervical Spinal Pseudomeningocele Successfully Treated with a Polycarbonate Face Mask: Technical Note. JSM Neurosurgery and Spine. 2014; 2(1): 1011.
   
   
7. Kerr EE, Shahlaie K, Schrot RJ: Innovative Use of the O-arm® for Skull Base Resection in a Sphenoorbital Meningioma: Technical Note and Review of the Literature. Journal of Clinical Neuroscience. 2013 Aug; 20(8): 1149-51.
   
   
8. Kerr EE, Borys E, Bobinski M, Shahlaie K: Posterior Fossa Calcifying Pseudoneoplasm of the Central Nervous System. Journal of Neurosurgery. 2013 April; 118(4): 896–902.
   
   
9. Kwon HD, Kerr EE, Schrot RJ, Kim KD: Coccygodynia and Coccygectomy. Korean Journal of Spine. 2012 December; 9(4): 326-333.
   
   
10. Kerr EE, Benson D, Schrot RJ: Coccygectomy for chronic refractory coccygodynia: clinical case series and literature review. Journal of Neurosurgery: Spine. 2011 May; 14(5): 654-63.
    
    
11. Kerr EE, Palacios W, Borys E, Niedecker A, Shahlaie K: Isolated Multiventricular Rosai-Dorfman Disease. (Manuscript in preparation.)

BOOK CHAPTERS

1. Panchal RR, Kerr EE, Kim KD. “Surgical Technique for Resection of Intradural Tumors.” Surgical Anatomy & Techniques to the Spine. Eds. Daniel H. Kim, Alexander R. Vaccaro, Curtis A. Dickman, Dosang Cho, Sangkook Lee, and Ilsup Kim. 2nd Ed. Philadelphia: Elsevier, 2013, Chapter 66: 639-45.
   
   
2. Jamshidi AO, Kerr EE, Prevedello DM, Otto BA, Ditzel Filho LFS, Carrau RL. “Endoscopic Endonasal Transpterygoid Approaches.” Minimal Access Skull Base Surgery: Open and Endoscopic Assisted Approaches. Ed. Kofi Boahene. (Manuscript accepted. Publication pending.)
   
   
3. Ditzel Filho LFS, Prevedello DM, Kerr EE, Jamshidi AO, Otto BA, Carrau RL. “Endonasal Resection of Craniopharyngiomas: Postoperative Management.” Minimal Access Skull Base Surgery: Open and Endoscopic Assisted Approaches. Ed. Kofi Boahene. (Manuscript accepted. Publication pending.)
   
   
4. Kerr EE, Dolci R, Ditzel Filho LFS, Jamshidi AO, Otto BA, Carrau RL, Prevedello DM. “Pituitary Gland Transposition and Retrosellar Approach.” Anatomical Landmarks for Endoscopic Approaches to the Paranasal Sinuses and the Skull Base: Instructional Step-by-Step Dissection Guide. Eds. Isam Alobid and Manuel Bernal-Sprekelsen. (Manuscript in preparation)
   
   
5. Jamshidi AO, Dolci R, Kerr EE, Ditzel Filho LFS, Otto BA, Carrau RL, Prevedello DM. “Bony Landmarks.” Anatomical Landmarks for Endoscopic Approaches to the Paranasal Sinuses and the Skull Base: Instructional Step-by-Step Dissection Guide. Eds. Isam Alobid and Manuel Bernal-Sprekelsen. (Manuscript in preparation)

ABSTRACTS/POSTER PRESENTATIONS

1. Kerr EE, Quintero OA, Wright JR: Interaction of Surfactant Protein A with the Macrophage-Like RAW 264.7 Cell Line. Oral and Poster Presentations, April 9, 2002. The  Visible Thinking Forum, Duke University, Durham, NC.
   
   
2. Kerr EE, Benson D, Schrot RJ: Coccygectomy for chronic refractory coccygodynia: a clinical case series and literature review. Poster Presentation, October 18, 2010. Congress of Neurological Surgeons Annual Meeting, San Francisco, CA.
   
   
3. Kerr EE, Kim KD: X-STOP in the Treatment of Neurogenic Claudication Due to Lumbar Spinal Stenosis: A Three-Year Review of the Experience at an Academic Neurosurgery Program. Poster presentation, March 31, 2011. 9th Annual AO Spine North America Fellows Forum. Banff, Alberta.
   
   
4. Kerr EE, Shahlaie K, Schrot RJ: Intraoperative Computed Tomography to Assess Adequacy of Orbital Decompression from Hyperostosis Secondary to an En Plaque Meningioma. Poster presentation, February 17, 2012. North American Skull Base Society 22nd Annual Meeting, Las Vegas, NV.
   
   
5. Kerr EE, Fragoso R, Shahlaie K: Intraoperative Extracorporeal Irradiation for the Treatment of Meningioma-Involved Calvarium. Poster presentation, February 15, 2013. North American Skull Base Society 23rd Annual Meeting, Miami, FL.
   
   
6. Ditzel Filho LFS, de Souza DG, Kerr EE, Jamshidi AO, Patel MR, Otto BA, Carrau RL, Prevedello DM: Combined Endonasal and Transcranial Resection of Complex Skull Base Chordomas and Chondrosarcomas: A Multi-Corridor Strategy. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
   
   
7. Naudy CA, Prevedello DM, Zoli M, Guevara NG, Otto BA, van Isseldyk F, Ditzel Filho LFS, Oyama K, Muto J, Carrau RL, Kerr EE: Comparison Between the Classic Endonasal Endoscopic Transcribriform Approach for Olfactory Groove Meningiomas Versus a Perifribriform “Accordion” Technique Using a Tumor Model in Cadaver Specimens. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
   
   
8. Ditzel Filho LFS, Oyama K, van Isseldyk F, Naudy CA, de Souza DG, Zoli M, Jamshidi AO, Kerr EE, Otto BA, Carrau RL, Prevedello DM: Comparison of the Anterior Transpetrosal Approach to the Endoscopic Endonasal Approach to the Petrous Apex. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
   
   
9. Kerr EE, Ditzel Filho LFS, Jamshidi AO, Carrau RL, Otto BA, Prevedello DM: Immediate Complications Associated with High Flow Cerebrospinal Fluid Egress During Endoscopic Endonasal Skull Base Surgery. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
   
   
10. Oyama K, Ditzel Filho LFS, Muto J, de Souza DG, Zoli M, Naudy CA, van Isseldyk F, Kerr EE, Jamshidi AO, Otto BA, Carrau RL, Prevedello DM: Endoscopic Endonasal Cranial Base Surgery Simulation Using an Artificial Cranial Base Model Created by Selective Laser Singering. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
    
    
11. Jamshidi AO, Kerr EE, Prevedello DM, Carrau DL, Otto BA, Ditzel Filho LFS: Skull Base Lymphoma: Radiographic Presentation and Surgical Management. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
    
    
12. Jamshidi AO, de Souza DG, Kerr EE, Ditzel Filho LFS, Prevedello DM: Management of a Giant Intraventricular Meningioma with a Minimally Invasive Port Technique: Care Report and Review of Intraventricular Pathologies. Poster presentation, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
    
    
13. Guevara NG, Kerr EE, Prevedello DM, Ditzel Filho LFS, Naudy CA, Zoli M, Otto BA, Carrau RL: Three-Dimensional Imaging in Endoscopic Endonasal Anatomic Dissection: An Innovative Method. Poster and oral presentations, February 14, 2014. North American Skull Base Society 24th Annual Meeting, San Diego, CA.
    
    
14. Naudy CA, Dolci RLL, Zoli M, Ditzel LFS, Kerr EE, Prevedello DM, Otto BA, Carrau RL: Olfactory Anatomy and Surgical Implications for Preservation of its Function. Poster and oral presentations, April 14, 2014. Endomilano 6th World Congress, Milano, Italy.
    
    
15. Naudy CA, Dolci RLL, Zoli M, Ditzel LFS, Kerr EE, Prevedello DM, Otto BA, Carrau RL: Olfactory Groove Meningiomas: Endoscopic Endonasal Corridors Based on Anatomical Landmarks for Olfaction Preservation. Poster and oral presentations, April 14, 2014. Endomilano 6th World Congress, Milano, Italy.

ORAL PRESENTATIONS

1. “Interaction of Surfactant Protein A with the Macrophage-Like RAW 264.7 Cell Line”
    Visible Thinking Forum. April 9, 2002. Duke University, Durham, NC.
   
   
2. “DVT Prophylaxis in Spinal Injury”
   Kaiser Permanente Sacramento Medical Center Grand Rounds. July 2009. Sacramento, CA.
   
   
3. “Subaxial Cervical Spine Fractures”
   Kaiser Permanente Sacramento Medical Center Grand Rounds. July 2009. Sacramento, CA.
   
   
4. “Coccygectomy for Chronic Refractory Coccygodynia: Clinical Case Series and Literature Review”
   University of California, Davis Neurosurgery Research Conference. January 27, 2011. Sacramento, CA.
   
   
5. “Intracranial Aneurysms: An Overview”
   University of California, Davis MIND Institute. December 10, 2011. Sacramento, CA.
   
   
6. “Intracranial Aneurysms: An Overview”
   University of California, Davis MIND Institute. December 15, 2012. Sacramento, CA.
   
   
7. “Three-Dimensional Imaging in Endoscopic Endonasal Anatomic Dissection: An Innovative Method”
   North American Skull Base Society 24th Annual Meeting. February 14, 2014. San Diego, CA.
   
   
8. “3D Endoscopic Anatomy: Sagittal Plane Lower Modules”
   OSU Wexner Medical Center. Lecture for visiting Brazilian neurosurgeons. September 29, 2014. Columbus, OH.
   
   
9. “Intracranial Pressure: Monitoring and Treatment”
   OSU Wexner Medical Center. Nursing staff education. October 2, 2014. Columbus, OH.

TEACHING EXPERIENCE

1. 2004-2005 Course Director and Instructor, Clinical Skills Elective Course.
   Baylor College of Medicine. Houston, TX.
   
   
2. 2005 Tutor, Neuroanatomy Course.
   Baylor College of Medicine. Houston, TX.
   
   
3. 2006 Teaching Assistant, Head and Neck Anatomy Course.
   Baylor College of Medicine. Houston, TX.
   
   
4. 2009-2012 Lecturer, Medical School Clinical Skills Elective Course.
   Topic: “Suture Workshop”
   University of California, Davis School of Medicine. Davis, California.
   
   
5. 2013-2015 Associate Faculty, State-of-the-Art Endoscopic Skull Base Surgery Course.
   Course Directors: Daniel Prevedello, M.D., Ricardo Carrau, M.D., and Bradley Otto M.D.
   Ohio State University. Columbus, OH.

HONORS / AWARDS

National Merit Scholar (1998)
Undergraduate Research Support Grant (2001)
Undergraduate Dean’s List with Distinction (top 10% of students). 4 semesters. (2000-2002)
Preclinical Honors – Anatomy, Behavioral Science, Endocrinology, Gastroenterology (2003)
Clinical Honors – General Surgery, Neurological Surgery, Plastic Surgery, Urology (2004-2005)
Excellence in Clinical Research Resident Award – UC Davis Department of Neurosurgery (2013)

COMMITTEE ACTIVITIES

2002-2006 Student Surgical Society (three elected positions held), Baylor College of Medicine
2004-2006 Ambulatory Care Course Curriculum Committee, Baylor College of Medicine
2005-present Undergraduate Admissions Interviewer, Duke University

PROFESSIONAL REFERENCES

Available upon request.

1978: Aprovado em 1olugar no vestibular da UFPr para de Medicina.

1979: Aprovado em 1º lugar no vestibular da UFPr para Química

1975-1981: CURSO DE INGLÊS (concluído): Centro Cultural Brasil-Estados Unidos

1984-88: Residência Médica em Neurocirurgia, Hospital de Clínicas UFPr

1988: Título de Especialista em Neurologia e Neurocirurgia pelo Mec

Título de Especialista em Neurologia e Neurocirurgia pelo CRM

1989: Membro Titular da Academia Brasileira de Neurocirurgia

1990: Curso de Neurocirurgia de Base de Crânio em Hannover

1989-92: Mestrando de Neurocirurgia, UNIFESP

1996: Aprovado para Bacharelado em Matemática na UFPr

1995-99: CURSO DE ITALIANO, Centro de Cultura Italiana

2001-2002: Especialização em Estatística e Saúde, UFPr

2007: Título de Especialista em Neurocirurgia pela SBN

Membro Titular da Sociedade Brasileira de Neurocirurgia

Membro Efetivo da Sociedade Brasileira de Cefaléia

Membro da Sociedade Paranaense de Ciências Neurológicas

Membro da Sociedade Paranaense de Neurocirurgia

2008: Pós-Graduação em Neurocirurgia Pediátrica pela FLANC

2010: Membro da Associação Brasileira de Sono (ABSono)

2011: Membro da Academia Americana de Medicina do Sono

Título de Especialista em Medicina do Sono pela ABSono

2010-2011: Educação Médica Continuada em Medicina do Sono, UNIFESP

2012: “Fellowship” em Medicina do Sono em Anderson, South Carolina, EUA

Título de Especialista em Cefaleia pela Sociedade Internacional de Cefaleia

2014: Membro do Congresso Americano de Neurocirurgiões

2015: Membro da Associação Mundial de Medicina do Sono (WASM)

Título de Especialista em Medicina do Sono pela WASM

Membro da Academia Americana de Cefaleia