KenMarcusGatterMD

Pathology • Portland, OR

Hematopathology, Microbiology, Anatomic Pathology, Clinical Pathology

Oregon Health and Sciences University

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Office
3181 Sw Sam Jackson Park Rd
Portland, OR 97239
Phone+1 503-494-8276
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Education & Training

Oregon Health & Science UniversityResidency, Pathology-Anatomic and Clinical, 1998 - 2000
Case Western Reserve University/University Hospitals Cleveland Medical CenterResidency, Pathology-Anatomic and Clinical, 1995 - 1998
University of Nebraska College of MedicineClass of 1995

Certifications & Licensure

OR State Medical License 1995 - 2025
American Board of Pathology Anatomic Pathology & Clinical Pathology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013

Publications & Presentations

PubMed

Fetal Hepatomegaly.
Jina Park, Devlynne Sasha Ondusko, Bill H Chang, Emily A Edwards, Sylvia Doan, Ken Gatter, Ibrahim Hajjali, Amanda Kim> ;Neoreviews. 2022 Dec 1
The Challenges and Opportunities of Recruiting International Medical Graduates to Our Residency Programs: It Starts With Screening for Interviews.
Ken Gatter, Mandy VanSandt> ;Archives of Pathology & Laboratory Medicine. 2022 Dec 1
10 citations
Graft-versus-host disease after liver transplantation is associated with bone marrow failure, hemophagocytosis, and DNMT3A mutations.
Laura F. Newell, Jennifer Dunlap, Ken Gatter, Grover C. Bagby, Richard D. Press, Rachel J. Cook, Luke B Fletcher, Jessica Leonard, Kelli M. Leong, Joseph S. Bubalo, Al...> ;American Journal of Transplantation. 2021 May 7
3 citations
Mast cell sarcoma with concurrent mast cell leukaemia.
Lauren M. Raymond, Tracy Funk, Rita M. Braziel, Guang Fan, Ken Gatter, Marc M. Loriaux, Jennifer Dunlap, Philipp W. Raess> ;British Journal of Haematology. 2020 Apr 3
1 citations
Informed Consent for Genetic Testing in Autopsy.
Ken Gatter> ;Archives of Pathology & Laboratory Medicine. 2020 Jan 27
6 citations
MYC immunohistochemical and cytogenetic analysis are required for identification of clinically relevant aggressive B cell lymphoma subtypes.
Philipp W. Raess, Stephen Moore, Michael J. Cascio, Jennifer Dunlap, Guang Fan, Ken Gatter, Susan B. Olson, Rita M. Braziel> ;Leukemia & Lymphoma. 2018 Jun 1
11 citations
FDA Oversight of Laboratory-Developed Tests: Where Are We Now?
Ken Gatter> ;Archives of Pathology & Laboratory Medicine. 2017 Mar 3
30 citations
Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios can Predict Treatment Response to Neoadjuvant Therapy in Esophageal Cancer.
Patrick J. McLaren, Nathan W. Bronson, Kyle D. Hart, Gina M. Vaccaro, Ken Gatter, Charles R. Thomas, John G. Hunter, James P. Dolan> ;Journal of Gastrointestinal Surgery. 2017 Jan 12
35 citations
Association of Intervals Between Neoadjuvant Chemoradiation and Surgical Resection With Pathologic Complete Response and Survival in Patients With Esophageal Cancer
Kelly R. Haisley, Amy Laird, Nima Nabavizadeh, Ken Gatter, John M. Holland, Gina M. Vaccaro, Charles R. Thomas, Paul H. Schipper, John G. Hunter, James P. Dolan> ;JAMA Surgery. 2016 Nov 1
29 citations
Significant understaging is seen in clinically staged T2N0 esophageal cancer patients undergoing esophagectomy
James P. Dolan, Taranjeet Kaur, Brian S. Diggs, Renato A. Luna, Brett C. Sheppard, Paul H. Schipper, Brandon H. Tieu, Gene Bakis, Gina M. Vaccaro, John M. Holland, Ken...> ;Diseases of the Esophagus. 2016 May 1
10 citations
Molecular Marker Expression Is Highly Heterogeneous in Esophageal Adenocarcinoma and Does Not Predict a Response to Neoadjuvant Therapy.
Nathan W. Bronson, Brian S. Diggs, Gene Bakis, Ken Gatter, Brett C. Sheppard, John G. Hunter, James P. Dolan> ;Journal of Gastrointestinal Surgery. 2015 Sep 22
48 citations
The New Equivocal: Changes to HER2 FISH Results When Applying the 2013 ASCO/CAP Guidelines.
Thomas H. Long, Helen J. Lawce, Connie Durum, Stephen Moore, Susan B. Olson, Ken Gatter, Megan L. Troxell> ;American Journal of Clinical Pathology. 2015 Aug 1
5 citations
Lymph Node Harvest During Esophagectomy Is Not Influenced by Use of Neoadjuvant Therapy or Clinical Disease Stage
Renato A. Luna, James P. Dolan, Brian S. Diggs, Nathan W. Bronson, Brett C. Sheppard, Paul H. Schipper, Brandon H. Tieu, Benjamin T. Feeney, Ken Gatter, Gina M. Vaccar...> ;Journal of Gastrointestinal Surgery. 2015 Apr 25
Pathology and Malpractice
Ken Gatter> ;American Journal of Clinical Pathology. 2015 Feb 1
14 citations
Multiplex high-throughput gene mutation analysis in acute myeloid leukemia.
Jennifer Dunlap, Carol Beadling, Andrea Warrick, Tanaya Neff, William H. Fleming, Marc M. Loriaux, Michael Heinrich, Tibor Kovacsovics, Katalin Kelemen, Nicky Leeborg,...> ;Human Pathology. 2012 Dec 1
2 citations
Association of JAK2 mutation status and cytogenetic abnormalities at diagnosis in myeloproliferative neoplasms and myelodysplastic/myeloproliferative neoplasms.
Lurdes Zamora, Marisol Xandri, Olga García, Siliva Marcé, Blanca Xicoy, Isabel Granada, José-Tomás Navarro, Fuensanta Millá> ;American Journal of Clinical Pathology. 2012 Apr 1
10 citations
Association of JAK2 Mutation Status and Cytogenetic Abnormalities in Myeloproliferative Neoplasms and Myelodysplastic/Myeloproliferative Neoplasms
Jennifer Dunlap, Katalin Kelemen, Nicky Leeborg, Rita M. Braziel, Susan B. Olson, Richard D. Press, James Huang, Ken Gatter, Marc M. Loriaux, Guang Fan> ;American Journal of Clinical Pathology. 2011 May 1
15 citations
Immunophenotypic Correlation Between Skin Biopsy and Peripheral Blood Findings in Mycosis Fungoides
Katalin Kelemen, Clifton R. White, Ken Gatter, Rita M. Braziel, Guang Fan> ;American Journal of Clinical Pathology. 2010 Nov 1
22 citations
Diagnostic pitfalls in syringocystadenocarcinoma papilliferum: case report and review of the literature
Nicky Leeborg, Michele M. Thompson, Sarah R. Rossmiller, Neil D. Gross, Clifton R. White, Ken Gatter> ;Archives of Pathology & Laboratory Medicine. 2010 Aug 1
25 citations
Immunophenotypic variations of Burkitt lymphoma.
Katalin Kelemen, Rita M. Braziel, Ken Gatter, Tony C. Bakke, Susan B. Olson, Guang Fan> ;American Journal of Clinical Pathology. 2010 Jul 1
1 citations
Progressive transformation of germinal centers (PTGC) in the head and neck.
Matthew W. Miller, Ken Gatter, Steven B. Cannady, Mark K. Wax> ;The Laryngoscope. 2010 Jan 1
Rejection versus posttransplantation lymphoproliferative disorder in a renal transplant recipient.
Megan L. Troxell, Jennifer Dunlap, Anuja Mittalhenkle, Mona Ishag, Guang Fan, James Z. Huang, Ken Gatter, Dan M. Byrd, Devon Webster, Donald C. Houghton> ;American Journal of Kidney Diseases. 2008 Dec 1
7 citations
Drug Resistance in B-Cell Chronic Lymphocytic Leukemia: Predictable by In Vitro Evaluation with a Multiparameter Flow Cytometric Cytotoxicity Assay
Yanping Zhong, Antony C. Bakke, Guang Fan, Rita M. Braziel, Ken M. Gatter, Jose F. Leis, Richard T. Maziarz, James Z. Huang> ;Cytometry. Part B, Clinical Cytometry. 2007 May 1
33 citations
Allele-Specific Polymerase Chain Reaction for the Imatinib-Resistant KIT D816V and D816F Mutations in Mastocytosis and Acute Myelogenous Leukemia
Christopher L. Corless, Patina Harrell, Mario E. Lacouture, Troy Bainbridge, Claudia Le, Ken Gatter, Clifton R. White, Scott R. Granter, Michael Heinrich> ;The Journal of Molecular Diagnostics. 2006 Nov 1
15 citations
Diagnostic usefulness of aberrant CD22 expression in differentiating neoplastic cells of B-Cell chronic lymphoproliferative disorders from admixed benign B cells in fo...
James Z. Huang, Guang Fan, Yanping Zhong, Ken Gatter, Rita M. Braziel, Gary Gross, Antony C. Bakke> ;American Journal of Clinical Pathology. 2005 Jun 1
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Press Mentions

Panel: Planning Key to COVID-19 Vaccine Requirement for Oregon Health Care WorkersOctober 26th, 2021
Opinion: Mandating COVID Vaccines for Health Care Workers Is Bad PolicySeptember 8th, 2021

Hospital Affiliations

OHSU HospitalPortland, Oregon