Photo of Ken M. Gatter, J.D., M.D.

Ken M. Gatter J.D., M.D.

Dr. Gatter's special area of interest is interaction of health care and the law. He currently serves as vice chair of anatomic pathology. He received his medical degree in 1995 from the University of Nebraska Medical School in Omaha, residency training at Case Western University/University Hospitals in Cleveland and completed his residency and a fellowship in surgical pathology at OHSU. He has taught as an adjunct professor at Willamette School of Law (JD from Boston University in 1989) and published about various health law topics in both the legal and medical literature. 

Education

  • B.A., Kenyon College, Gambier Ohio 1983
  • J.D., Boston University School of Law, Boston Massachusetts 1989
  • M.D., University of Nebraska Medical School, Omaha Nebraska 1995
  • Residency:

    • Anatomic and Clinical Pathology Residency, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 1995-1998
    • Anatomic and Clinical Pathology Residency, Oregon Health & Science University, Portland, Oregon 1998-1999
  • Fellowship:

    • Surgical Pathology, Oregon Health & Science University, Portland, Oregon 1999-2000
  • Certifications:

    • Anatomic and Clinical Pathology (ABPath), 2000

Publications

  • "Lymph Node Harvest During Esophagectomy Is Not Influenced by Use of Neoadjuvant Therapy or Clinical Disease Stage" Journal of Gastrointestinal Surgery April 25 2015
  • "Trisomy 8 as the sole cytogenetic abnormality in a case of extraskeletal mesenchymal chondrosarcoma" Cancer Genetics and Cytogenetics June 2005
  • "Demonstration of Philadelphia chromosome negative abnormal clones in patients with chronic myelogenous leukemia during major cytogenetic responses induced by imatinib mesylate" Leukemia March 1 2003
  • "Significant understaging is seen in clinically staged T2N0 esophageal cancer patients undergoing esophagectomy" Diseases of the Esophagus  2015
  • "Association of JAK2 mutation status and cytogenetic abnormalities in myeloproliferative neoplasms and myelodysplastic/myeloproliferative neoplasms" American Journal of Clinical Pathology May 2011
  • "Protecting patient-doctor discourse" Oregon law review  1999
  • "Pathology and malpractice" American Journal of Clinical Pathology February 1 2015
  • "Spontaneous regression of aleukemia congenital leukemia cutis" Pediatric Dermatology January 2005
  • "Immunophenotypic correlation between skin biopsy and peripheral blood findings in mycosis fungoides" American Journal of Clinical Pathology November 2010
  • "Allele-specific polymerase chain reaction for the imatinib-resistant KIT D816V and D816F mutations in mastocytosis and acute myelogenous leukemia" Journal of Molecular Diagnostics November 2006
  • "Immunophenotypic variations of Burkitt lymphoma" American Journal of Clinical Pathology July 2010
  • "Fine-needle aspiration biopsy of anaplastic large cell lymphoma, small cell variant with prominent plasmacytoid features" Diagnostic Cytopathology  2002
  • "The big problem of the missing cytology slides" CytoJournal September 24 2004
  • "Rejection Versus Posttransplantation Lymphoproliferative Disorder in a Renal Transplant Recipient" American Journal of Kidney Diseases December 2008
  • "Diagnostic pitfalls in syringocystadenocarcinoma papilliferum" Archives of Pathology and Laboratory Medicine August 2010
  • "The new equivocal" American Journal of Clinical Pathology August 1 2015
  • "Drug resistance in B-cell chronic lymphocytic leukemia" Cytometry Part B - Clinical Cytometry May 15 2007
  • "Genetic information and the importance of context" Saint Louis University law journal  2003
  • "Diagnostic usefulness of aberrant CD22 expression in differentiating neoplastic cells of B-cell chronic lymphoproliferative disorders from admixed benign B cells in four-color multiparameter flow cytometry" American Journal of Clinical Pathology June 2005
  • "Multiplex high-throughput gene mutation analysis in acute myeloid leukemia" Human Pathology December 2012
  • "Progressive transformation of germinal centers (PTGC) in the head and neck" Laryngoscope  2010
  • "Molecular Marker Expression Is Highly Heterogeneous in Esophageal Adenocarcinoma and Does Not Predict a Response to Neoadjuvant Therapy" Journal of Gastrointestinal Surgery December 1 2015
  • "Late relapse of myelodysplasia after allogeneic transplantation concomitant with new presentation of invasive liposarcoma as a secondary neoplasm" Bone Marrow Transplantation June 2004
  • "Cytology of anaplastic large cell lymphoma (multiple letters)" Diagnostic Cytopathology November 1 2002
  • "Pure Red Cell Aplasia Associated with Parvovirus B19 Infection Occurring Late after Allogeneic Bone Marrow Transplantation" American Journal of Hematology March 2004
  • "Association of intervals between neoadjuvant chemoradiation and surgical resection with pathologic complete response and survival in patients with esophageal cancer" JAMA Surgery November 1 2016
  • "Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios can Predict Treatment Response to Neoadjuvant Therapy in Esophageal Cancer" Journal of Gastrointestinal Surgery January 12 2017
  • "FDA oversight of laboratory-developed tests where are we now?" Archives of Pathology and Laboratory Medicine June 1 2017
  • "MYC immunohistochemical and cytogenetic analysis are required for identification of clinically relevant aggressive B cell lymphoma subtypes" Leukemia and Lymphoma September 5 2017

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