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Alisa Gean-Gersch, MD

Title(s)Professor, Radiology
SchoolSchool of Medicine
Address1001 Potrero Ave
San Francisco CA 94110
Phone628-206-8026
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    Collapse Biography 
    Collapse Education and Training
    University of California, San FranciscoClinical Fellowship Radiology
    Stanford UniversityM.D.1983School of Medicine
    Collapse Awards and Honors
    Radiology Society of North America2011Leadership Recognition Award
    Shanghai-SF Sister City Relationship2010Mayoral Delegate for City of San Francisco for 30th Anniversary
    Radiological Society of North America2005  - 2009RSNA Leadership Recognition Award
    National Institute for Neurologic Disorders and Stroke (NINDS)2004Lecture Grant for Traumatic Brain Injury
    Radiological Society of North America2004RSNA Leadership Recognition Award
    Radiological Society of North America2003RSNA Leadership Recognition Award
    National Institute for Neurologic Disorders and Stroke (NINDS)2002Lecture Grant for Traumatic Brain Injury
    Indiana University2000Annual Patrick Dolan Lecturer
    Harvard Medical School1998Annual Juan M. Taveras Lecturer
    San Francisco General Hospital1992Department Achievement Award in Teaching
    University of California, San Francisco Department of Radiology1991Outstanding Achievement in Teaching

    Collapse Overview 
    Collapse Overview
    Alisa D. Gean, MD is a Professor of Radiology, Neurology, and Neurosurgery at the University of California, San Francisco (UCSF). Dr. Gean obtained both her BS and MD degrees at Stanford University. Following medical school, she did an Internship in Internal Medicine at San Francisco Children’s Hospital, now called California Pacific Medical Center (CPMC). She then moved to Boston where she completed a 4-year Residency program in Diagnostic Radiology and a 2-year Fellowship in Neuroradiology, both at Massachusetts General Hospital, Harvard Medical School.

    Dr. Gean joined the faculty at UCSF in 1989 as the Chief of Neuroradiology at San Francisco General Hospital. Her primary professional interest is in the field of central nervous system trauma. She also has devoted special attention to the areas of stroke and HIV disease. The sheer volume of patients, the extremes of illness, and the unique circumstances of the vulnerable patient population presenting to San Francisco General Hospital have provided her with a wealth of experience and expertise in central nervous system injury and disease. Dr. Gean lectures nationally and internationally on the topic of traumatic brain injury (TBI), and she is a founding member of the Brain and Spine Injury Center (“BASIC”) at UCSF. She has written extensively on the topic of TBI, and is the sole author of the internationally recognized textbook, “Imaging of Head Trauma”. She has consulted with the National Institutes of Health (NIH), the National Institute of Neurological Disorders and Stroke (NINDS), the Centers for Disease Control (CDC), the Department of Defense, and the National Football League on the topic of head injury.

    A senior member of the American Society of Neuroradiology, Dr. Gean obtained her Certification of Added Qualifications (CAQ) in 1996 and was recertified in 2006. Dr. Gean serves as a National Medical Board Examiner for the American Board of Radiology for both the certification of trainees at the Board examination level as well as for post-fellowship certification at the CAQ level. Dr. Gean has previously held positions as a San Francisco mayoral delegate to the Philippines, Vietnam, and China, and she continues to volunteer as a neuroradiology consultant to the Asia/Pacific Rim. She has delivered over 200 national and international invited lectures, written 4 books, 24 book chapters, and over 100 peer-reviewed manuscripts and scientific abstracts. Dr. Gean's editorial activities have included JAMA, American Journal of Neuroradiology, Radiology, Journal of Trauma, Journal of Neurotrauma, Annals of Neurology, Journal of Neuro-AIDS, and the Journal of Computed Assisted Tomography.

    In 2008, Dr. Gean volunteered her clinical expertise at Landstuhl Regional Medical Center in Germany to study combat TBI suffered in the Iraq and Afghanistan conflicts. Through this experience, she has devoted her recent academic pursuits to understanding the similarities and differences between civilian brain injury and that suffered in combat, terrorism, and natural disasters. In recognition of that work, Dr. Gean has recently finished another single-authored textbook titled “Brain Injury: Applications from War and Terrorism”.

    Expertise:
    Neuroradiology

    Specialty:
    Brain and spine trauma, central nervous system trauma

    Professional Interests:
    Craniospinal trauma, maxillofacial and orbital trauma, non-traumatic intracerebral hemorrhage, HIV/AIDS, neuro imaging, MR imaging, traumatic brain injury, central nervous system stroke

    Education and Training:
    • Medical School: Stanford University School of Medicine, California
    • Internship: Children’s Hospital, San Francisco, California - Medicine
    • Residency: Massachusetts General Hospital Harvard Medical School, Boston - Radiology
    • Fellowship: Massachusetts General Hospital Harvard Medical School, Boston - Neuroradiology
    • Diplomat, National Board of Medical Examiners (1984)
    • Diplomat, American Board of Radiology (1987)
    • American Society of Neuroradiology, Junior Member (1988)
    • American Society of Neuroradiology, Senior Member (1989)
    • California State Medical Licensure (1989-Present)
    • United States Drug Enforcement Licensure (1989-Present)
    • X-Ray Supervisor and Operator License (1989)
    • Re-certification (CAQ) in Neuroradiology, American Board of Radiology (2008)

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    Collapse Global Health
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. A case of Terson syndrome and its mechanism of bleeding. J Neuroradiol. 2013 Oct; 40(4):312-4. Gress DR, Wintermark M, Gean AD. PMID: 24095292.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    2. Natural history and prognostic value of corticospinal tract Wallerian degeneration in intracerebral hemorrhage. J Am Heart Assoc. 2013 Aug 02; 2(4):e000090. Venkatasubramanian C, Kleinman JT, Fischbein NJ, Olivot JM, Gean AD, Eyngorn I, Snider RW, Mlynash M, Wijman CA. PMID: 23913508.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    3. Delayed acute spinal cord injury following intracranial gunshot trauma: case report. J Neurosurg. 2012 Apr; 116(4):921-5. Cheng JS, Richardson RM, Gean AD, Stiver SI. PMID: 22242667.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    4. Temporizing treatment of hyperacute subdural hemorrhage by subdural evacuation port system placement. J Neurosurg. 2011 Oct; 115(4):844-8. Flint AC, Gean AD, Manley GT, Rao VA, Sheridan WF, von Koch CS. PMID: 21682569.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    5. Mechanisms of primary blast-induced traumatic brain injury: insights from shock-wave research. J Neurotrauma. 2011 Jun; 28(6):1101-19. Nakagawa A, Manley GT, Gean AD, Ohtani K, Armonda R, Tsukamoto A, Yamamoto H, Takayama K, Tominaga T. PMID: 21332411.
      View in: PubMed   Mentions: 58     Fields:    Translation:HumansAnimals
    6. Imaging for the diagnosis and management of traumatic brain injury. Neurotherapeutics. 2011 Jan; 8(1):39-53. Kim JJ, Gean AD. PMID: 21274684.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    7. Hemicraniectomy: a new model for human electrophysiology with high spatio-temporal resolution. J Cogn Neurosci. 2010 Nov; 22(11):2491-502. Voytek B, Secundo L, Bidet-Caulet A, Scabini D, Stiver SI, Gean AD, Manley GT, Knight RT. PMID: 19925193.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    8. Common data elements in radiologic imaging of traumatic brain injury. Arch Phys Med Rehabil. 2010 Nov; 91(11):1661-6. Duhaime AC, Gean AD, Haacke EM, Hicks R, Wintermark M, Mukherjee P, Brody D, Latour L, Riedy G. PMID: 21044709.
      View in: PubMed   Mentions: 46     Fields:    Translation:Humans
    9. Head trauma. Neuroimaging Clin N Am. 2010 Nov; 20(4):527-56. Gean AD, Fischbein NJ. PMID: 20974375.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans
    10. Second-impact syndrome and a small subdural hematoma: an uncommon catastrophic result of repetitive head injury with a characteristic imaging appearance. J Neurotrauma. 2010 Sep; 27(9):1557-64. Cantu RC, Gean AD. PMID: 20536318.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    11. Common data elements in radiologic imaging of traumatic brain injury. J Magn Reson Imaging. 2010 Sep; 32(3):516-43. Haacke EM, Duhaime AC, Gean AD, Riedy G, Wintermark M, Mukherjee P, Brody DL, DeGraba T, Duncan TD, Elovic E, Hurley R, Latour L, Smirniotopoulos JG, Smith DH. PMID: 20815050.
      View in: PubMed   Mentions: 37     Fields:    Translation:Humans
    12. Benign anterior temporal epidural hematoma: indolent lesion with a characteristic CT imaging appearance after blunt head trauma. Radiology. 2010 Oct; 257(1):212-8. Gean AD, Fischbein NJ, Purcell DD, Aiken AH, Manley GT, Stiver SI. PMID: 20713606.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    13. Imaging of head trauma. Semin Roentgenol. 2010 Apr; 45(2):63-79. Aiken AH, Gean AD. PMID: 20171339.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    14. Interobserver variability in the assessment of CT imaging features of traumatic brain injury. J Neurotrauma. 2010 Feb; 27(2):325-30. Chun KA, Manley GT, Stiver SI, Aiken AH, Phan N, Wang V, Meeker M, Cheng SC, Gean AD, Wintermark M. PMID: 19895192.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    15. Survival with good outcome after cerebral herniation and Duret hemorrhage caused by traumatic brain injury. J Neurosurg. 2009 Jun; 110(6):1242-6. Stiver SI, Gean AD, Manley GT. PMID: 19012479.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    16. Clinical policy: neuroimaging and decisionmaking in adult mild traumatic brain injury in the acute setting. J Emerg Nurs. 2009 Apr; 35(2):e5-40. Jagoda AS, Bazarian JJ, Bruns JJ, Cantrill SV, Gean AD, Howard PK, Ghajar J, Riggio S, Wright DW, Wears RL, Bakshy A, Burgess P, Wald MM, Whitson RR. PMID: 19285163.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    17. Neuroimaging of traumatic brain injury. Mt Sinai J Med. 2009 Apr; 76(2):145-62. Le TH, Gean AD. PMID: 19306377.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    18. Clinical policy: neuroimaging and decisionmaking in adult mild traumatic brain injury in the acute setting. Ann Emerg Med. 2008 Dec; 52(6):714-48. Jagoda AS, Bazarian JJ, Bruns JJ, Cantrill SV, Gean AD, Howard PK, Ghajar J, Riggio S, Wright DW, Wears RL, Bakshy A, Burgess P, Wald MM, Whitson RR. PMID: 19027497.
      View in: PubMed   Mentions: 99     Fields:    Translation:Humans
    19. Computer-aided assessment of head computed tomography (CT) studies in patients with suspected traumatic brain injury. J Neurotrauma. 2008 Oct; 25(10):1163-72. Yuh EL, Gean AD, Manley GT, Callen AL, Wintermark M. PMID: 18986221.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    20. Focal lesions in acute mild traumatic brain injury and neurocognitive outcome: CT versus 3T MRI. J Neurotrauma. 2008 Sep; 25(9):1049-56. Lee H, Wintermark M, Gean AD, Ghajar J, Manley GT, Mukherjee P. PMID: 18707244.
      View in: PubMed   Mentions: 58     Fields:    Translation:Humans
    21. Post-operative expansion of hemorrhagic contusions after unilateral decompressive hemicraniectomy in severe traumatic brain injury. J Neurotrauma. 2008 May; 25(5):503-12. Flint AC, Manley GT, Gean AD, Hemphill JC, Rosenthal G. PMID: 18346002.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    22. Imaging of head trauma. Semin Roentgenol. 2006 Jul; 41(3):177-89. Le TH, Gean AD. PMID: 16849048.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    23. MRI findings in Susac's syndrome. Neurology. 2003 Dec 23; 61(12):1783-7. Susac JO, Murtagh FR, Egan RA, Berger JR, Bakshi R, Lincoff N, Gean AD, Galetta SL, Fox RJ, Costello FE, Lee AG, Clark J, Layzer RB, Daroff RB. PMID: 14694047.
      View in: PubMed   Mentions: 40     Fields:    Translation:Humans
    24. Thoracic complications of illicit drug use: an organ system approach. Radiographics. 2002 Oct; 22 Spec No:S119-35. Gotway MB, Marder SR, Hanks DK, Leung JW, Dawn SK, Gean AD, Reddy GP, Araoz PA, Webb WR. PMID: 12376606.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    25. Hyperdense MCA resolved after tPA. Neurology. 2002 May 28; 58(10):1512. Tsao JW, Gean AD, Glenn OA, Bonovich DC. PMID: 12034788.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    26. 1998 plenary session: Imaging symposium. An overview of acute radiology. Radiographics. 1999 Sep-Oct; 19(5):1319-22. Mann FA, Gean AD, Kazerooni EA, Rogers LF. PMID: 10489183.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    27. Neuroimaging of AIDS. I. Central nervous system toxoplasmosis. Neuroimaging Clin N Am. 1997 May; 7(2):171-86. Ramsey RG, Gean AD. PMID: 9113684.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    28. Intraocular silicone oil for retinal detachment in AIDS: CT and MR appearances. Clin Radiol. 1996 Jun; 51(6):415-7. Murray JG, Gean AD, Barr RM. PMID: 8654006.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    29. Imaging of acute head injury. Semin Ultrasound CT MR. 1996 Jun; 17(3):185-205. Murray JG, Gean AD, Evans SJ. PMID: 8797246.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansPHPublic Health
    30. Neuroimaging in head injury. New Horiz. 1995 Aug; 3(3):549-61. Gean AD, Kates RS, Lee S. PMID: 7496767.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    31. Clinical and radiographic findings in disseminated tuberculosis of the brain. Neurology. 1993 Jul; 43(7):1427-9. Eide FF, Gean AD, So YT. PMID: 8018121.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    32. A pneumatized anterior clinoid mimicking an aneurysm on MR imaging. Report of two cases. J Neurosurg. 1989 Jul; 71(1):128-32. Gean AD, Pile-Spellman J, Heros RC. PMID: 2738631.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    33. Acute gastric volvulus. Am Fam Physician. 1986 Sep; 34(3):99-100. Gean AD, DeLuca SA. PMID: 3751854.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    34. The spinal tap: a new look at an old test. Ann Intern Med. 1986 Jun; 104(6):840-8. Marton KI, Gean AD. PMID: 3518565.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans