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Thomas Lansen, M.D., F.A.C.S.

Thomas Lansen, M.D., F.A.C.S.

Dr. Lansen, a board-certified neurosurgeon for more than 25 years, is skilled in using techniques that allow him to operate more precisely and less invasively.  Well known in his field, Dr. Lansen is the chief of neurosurgery at Northern Westchester Hospital Center, and has served as chief of neurosurgery at Lawrence Hospital in Bronxville, St. Joseph’s Hospital in Yonkers, Sound Shore Medical Center in New Rochelle, and Westchester Medical Center in Valhalla. He served as acting chairman of the Department of Neurosurgery of New York Medical College in Valhalla, where he continues to teach as an associate professor. He is also an assistant professor of neurosurgery at Yale University School of Medicine in New Haven.

Dr. Lansen received his medical degree from the Medical College of Wisconsin. He completed his internship in General Surgery at Lenox Hill Hospital and his residency in Neurological Surgery at the University of Florida Medical Center. Dr. Lansen is board certified by the American Board of Neurological Surgery.

Education:

  • M.D. Medical College of Wisconsin
  • B.A. Marquette University
Postgraduate Training and Fellowships:
  • Internship in Psychiatry, New York University Medical Center
  • Resident in Surgery, Lenox Hill Hospital, New York, NY
  • Resident and Chief Resident, Neurological Surgery, University of Florida College of Medicine, Gainesville, FL
  • Theodore Gildred Microsurgical Laboratory, Instructor, Department of Neurosurgery, Univ. of Florida School of Medicine

Specialty Certification:

  • American College of Surgeons
  • American Board of Neurological Surgery

Awards, Honors & Societies:

  • Dean's Honor List
  • Graduated Cum Laude
  • Member, Care Providers Subcommittee, Medical Reform, Sue Kelly, Congresswoman
  • Alternate Delegate to the American Medical Association
  • Fellow American College of Surgeons
  • Westchester County AIDS Council
  • Committee on Federal Legislation, MSSNY
  • Member Joint AANS/CNS Section on Cerebrovascular Surgery
  • New York Celtic Medical Society Committee, State of New York
  • Congressperson Lowey, Health Advisory Federal Legislative
  • Fellow, Stroke Council, American Heart Association
  • Key Contact Member, MSSNY
  • Credentials Convention Committee, MSSNY
  • Congress of Neurological Surgeons
  • Member House of Delegates, MSSNY
  • Board of Directors, Westchester County Medical Society
  • New York State Neurosurgical Society
  • Chairman, Public Relations Committee, Westchester County Medical Society
  • Westchester County Medical Society
  • Westchester Academy of Medicine
  • Medical Society of the State of New York
  • American Medical Association
  • Charter President, Wisconsin Alpha Chapter, AED Honorary Fraternity

Academic Appointments & Hospital Affiliations:

  • Co-Director, Gamma Knife at Northern Westchester Hospital
  • Chief, Section of Neurosurgery, Northern Westchester Hospital, Mt. Kisco, NY
  • Chief, Section of Neurosurgery, Lawrence Hospital, Bronxville, NY
  • Associate Professor of Clinical Neurosurgery, Dept. of Neurosurgery, New York Medical College, Valhalla, NY
  • Assistant Clinical Professor of Neurosurgery, Yale University School of Medicine, New Haven, CT
  • White Plains Hospital Medical Center, White Plains, NY
  • Medical Board, Northern Westchester Hospital, Mt. Kisco, NY
  • Medical Board, Lawrence Hospital, Bronxville, NY
  • Medical Board, Westchester Medical Center, Valhalla, NY
  • Sound Shore Medical Center, New Rochelle, NY
  • Our Lady of Mercy Medical Center, Bronx, NY
  • St. Vincent's Hospital, New York, NY
  • White Plains Hospital Medical Center, White Plains, NY

Bibliography:

  • Lancman M, Marks S, Mahmood K, Lansen T. Atypical triphasic waves associated with the use of pentobarbital. Accepted for publication, Electroencephalography and Clinical Neurophysiology, September 1996.
  • Spiller M., Kasoff SS, Lansen TA, Valsamis MP, Duffy KR, Koenig SM, Tenner MS. Relaxometry of noncalcified human meningiomas--Correlation with histology and solids content. Accepted for publication in Investigative Radiology 1994.
  • Spiller M, Kasoff SS, Lansen TA, Rifkinson-Mann, Valsamis MP, Koenig SM, Tenner MS. Variation
    Variation of the magnetic relaxation rate 1/T1 of water protons with magnetic field strength (NMRD profile) of untreated, noncalcified human astrocytomas: Correlation with histology and solids content. Journal of Neuro-Onc 21:113-125, 1994
  • Goraj B, Rifkinson-Mann S., Lansen TA, Tenner M. Correlation of intracranial pressure and transcranial Doppler resistive index following head trauma. Accepted for publication for Amer J. Neuroradiol 1994
  • Lansen TA, Kasoff SS, Vingiano W. Headache Characteristics in Aneurysmal Subarachnoid Hemorrhage. Journal of Stroke and Cerebrovascular Diseases Nov 1993; 188(1):137-142
  • Kasoff SS, Rifkinson-Mann S, Spiller M, Lansen TA, Duffy KR, Valsamis MS. Characterization of pediatric intracranial and intraspinal tumors by the dependence of proton 1/T1 values on magnetic field strength. Child’s Nerv Syst 1992; 8:163.
  • Lansen, TA, Kasoff SS, Tenner MS. Occipito-cervical Fusion for Reduction of Traumatic Periodontoid Hypertrophic Cicatrix: An MRI Demonstration. J. Neurosurg 1990; 73:466-470.
  • Lundbom N, Brown III RD, Koenig SH, Lansen TA, Valsamis MP, Kasoff SS. Magnetic field Dependence of 1/T1 of Human Brain Tumors: Correlations with Histology. Investigative Radiology 1999, Vol 25, No 11, 1197-1205.
  • Lansen TA, Kasoff SS, Arguelles MA. Giant Pediatric Aneurysm Treated with Middle Cerebral Artery Ligation with Drake Tourniquet and Extracranial-Intracranial Bypass. Neurosurgery 25:81-85 1989.
  • Rifkinson-Mann S, Tugal O, Kasoff SS, Lansen TA, Duffy KR, Kutscher M, Jayabose R, Jacobson R, Wolff R, Roseman B. Management of Malignant Brain Tumors with Surgery and Chemotherapy. Pediatric Neuroscience 1989 15(3):140-160.
  • Kasoff SS, Holder D, Agarwald N, SanFilippo A, Lansen TA. Aggressive Psychological Monitoring of Pediatric Head Trauma Patients with Elevated Intracranial Pressure. Pediatric Neuroscience 14:241-249 1988.
  • Mittelman A, Chun HG, Puccio C, Coombe, N, Lansen TA, Ahmed T. Phase II clinical trial of didemnin B in patients with recurrent or refractory anaplastic astrocytoma or glioblastoma multiforme. Investigational New Drugs 17: 179-182 1999

Abstracts:

  • Vingiano W, Lansen TA, Dornbush RL, Neuropsychological Outcome after SAH. APA Division 40 Seattle WA August 17, 1992.
  • Spiller M, Kasoff SS, Lansen TA, Valsamis MP, Duffy KR, Koenig SM, Tenner MS. Relaxometry of non-calcified human meningiomas--correlation with histology and solids content. Chosen to be abstracted in Year Book of Neuroradiology 1995.
  • Rifkinson-Mann S, Tugal O, Kasoff SS, Jayabose S, Valsamis M, Duffy KR, Lansen TL, Jacobson R, Kutscher M, Roseman B, Wolff R. “Management of malignant neonatal brain tumors with surgery and chemotherapy. Poster presentation, International Symposium of Pediatric Neuro-Oncology, Philadelphia, May 1990.
  • Kasoff SS, Moorthy C, Lansen TA, Duffy KR, Tenner M, Hillaris B. Gelfoam Impregnated Iodine-125 Interstitial Brachytherapy-The Technique, Dosimetry, and Early Outcomes. Congress of Neurological Surgeons, Atlanta 1989.
  • Lansen, TL. Outcome analysis of surgically treated intracranial aneurysms correlated with CT grading. Accepted for presentation at the American Association of Neurological Surgeons, Orlando FL, 1995.
  • Poon TP, Tchertkoff, V, deJesus M, Lahiri A, Lansen TA. Giant collagen plaques in Creutzfeld-Jacob disease. Report of two cases with ultrastructural studies. Acta Neuropathol (Berl) (Germany) 1993, 323-6.
  • Spiller M, Tenner MS, Kasoff SS, Lansen TA, Rifkinson-Mann S, Duffy KR, Valsamis MP, Brown III RD, Koenig SH. 1T1 Relaxivity of Intracranial and Intraspinal Tumors. Correlation with Histology and MTC. Twelfth Annual Scientific Meeting of the Society of Magnetic Resonance in Medicine, New York, August 14-20, 1993.
  • Poon T, Lansen TA, Valsamis M, deJesus M, Lahiri A. Abnormal Collagen Plaque in a Patient with Creutzfeldt-Jacob Disease (CJD). 68th Annual Meeting American Association of Neuropathologists. St. Louis, MI, June 18-21, 1992.
  • Kasoff SS, Rifkinson-Mann S, Spiller M, Lansen TA, Duffy KR, Valsamis MP, Koenig SH, Brown RD, Tenner MS. Characterization of Pediatric Intracranial and Intraspinal Tumors by the Dependence of Proton 1T1 Values of Magnetic Field Strength. Annual Meeting of the International Society for Pediatric Neurosurgery, Prague Czechoslovakia, June 3-6, 1992.
  • Ahmed T, Cook P, Helson L, Ascenso J, Mittelman A, Puccio C, Chun H, Lansen T, Moorthy C, Arlin Z. High Dose ThioTEPA With Autologous Bone Marrow Transplant (BMT) in Patients with Astrocytoma Grade III-IV. 8th Mediterranean Congress of Chemotherapy, Athens, Greece, May 24-29, 1992.
  • Lansen TA, Spiller M, Kasoff SS, Duffy KR, Rifkinson-Mann, Valsamis MP, Koenig SH, Brown RD, Tenner MS. Dependence of Water Prroton 1/T1 Values on Magnetic Field Strength in Human Astrocytomas. Correlations with Histology and Water/Solids Content. AANS Annual Meeting, San Francisco, CA, April 11-16, 1992.
  • Kasoff SS, Spiller M, Lansen TA, Duffy KR, Rifkinson-Mann S, Valsamis MP, Koenig SH, Brown RD, Tenner MS. Dependence of Water Proton 1/T! Values on Magnetic Field Strength in Human Intracranial and Intraspinal Tumors. Correlations with Histology. AANS Annual Meeting, San Francisco CA, April 11-16, 1992.
  • Duffy KR, Spiller M, Kasoff SS, Lansen TA, Duffy KR, Rifkinson-Mann S, Valsamis MP, Koenig SH, Brown RD, Tenner MS. Very Low Magnetic Field Strengths Differentiate Secreting From Non-Secreting Pituitary Adenomas. AANS Annual Meeting, San Francisco CA, April 11-16, 1992.
  • Spiller, M. Brown RD, Kasoff SS, Koenig SH, Lansen TA, Rifkinson-Mann S, Tenner MS, Valsamis MP. Characterization of Tumors of Human CNS by Relaxometry, Including Cross Relaxation. Tenth Annual Scientific Meeting of the Society of Magnetic Resonance in Medicine, San Francisco CA, August 10-16, 1991.
  • Rifkinson-Mann S, Tugal O, Kasoff SS, Lansen TA, Duffy KR, Kutscher M, Jayabose R, Jacobson R, Wolff R, Roseman B. Management of Malignant Brain Tumors with Surgery and Chemotherapy. Second Annual International Symposium on Pediatric Neuro-oncology, May 24-26, 1990.
  • Duffy KR, Lansen TA, Batzdorf U. Evaluation of Peroneal Palsy with MRI: Implications for Surgery. AANS/CNS 1989 Joint Section on Disorders of the Spine and Peripheral Nerves. Cancun, Mexico.
  • Lansen TA, Cognitive Testing of Aneurysm Patients with Successful Surgical Outcome. Second International Workshop on Intracranial Aneurysms. Nagoya, Japan 1989.
  • Kasoff SS, Mednick A, Leslie D, Tenner M, Sane P, Lansen TA, Mangiardi JR. The value of CT Changes for Predicting Intracranial Pressure in Children. The Seventh International Symposium, Intracranial Pressure and Brain Injury. Ann Arbor, Michigan, 1988.
  • Kasoff SS, Mednick A, Leslie D, Tenner M, Sane P, Lansen TA, Mangiardi JR. The Value of CT Changes for Predicting Intracranial Pressure in Children. The International Society for Pediatric Neurosurgery Annual Meeting. Rome Italy 1988.
  • Lansen TA. Workshop on Current Treatment of Intracranial Aneurysms. Neurosurgery. New York City, NY 1988.
  • Lansen TA. Workshop on Current Treatment of Intracranial Aneurysms. Neurosurgery. New York City, NY 1987.
  • Kasoff SS, Holder D, Stern J. Agarwald N, SanFilippo JA, Lansen TA. Cardiac Function in Children Treated for Elevated Intracranial Pressure. Neurosurgery Section of the CME Assembly of the Medical Society of New York State. March 7, 1986.
  • Kasoff SS, Holder D, Agarwald N, SanFilippo JA, Lansen TA. Aggressive Physiological Monitoring of the Pediatric Patient with Elevated Intracranial Pressure. AANS Pediatric Section. Houston, Texas 1985.
  • Lansen TA. Head Trauma. American College of Surgeons. Orlando, FL 1979.

 


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