Expertise

Breast & cervical pathology

Postdoctoral Training

2001 - 2003 Cytopathology and Surgical Pathology Fellowship, University of Florida
1997 - 2001 Residency, Combined Anatomic/Clinical, Medical College of Pennsylvania - Hahnemann University Hospitals and University of Florida
1994-1997 Research Fellow, Mayo Foundation, Rochester, Minnesota,Department Pathology and Laboratory Medicine

Education

1984 - 1991 Medical School and Internship, Charles University School of Medicine, Prague, Czech Republic

Academic Appointments

2018-Present  Professor, University of Vermont, Larner College of Medicine, UVM Medical Center, Department of Pathology & Laboratory Medicine, Burlington, Vermont
2009-2018      Associate Professor, University of Vermont, College of Medicine, UVM Medical Center, Department of Pathology, Burlington, Vermont.
2003-2009      Assistant Professor, University of Vermont, College of Medicine, UVM Medical Center, Department of Pathology, Burlington, Vermont.
1997-2001      House Staff, University of Florida, Medical College of Pennsylvania & Hahnemann University Hospitals

Awards and Honors

2015  Nominated for Foundation Teaching Award by UVM Collage of Medicine, Silver Stethoscope Award - Class of 2017
2013 Nominated for Foundation Teaching Award by UVM Collage of Medicine, Class of 2015
2011 Certificate of Recognition from the president of University of Mekelle, Ethiopia,  Professor Joachim Herzig, in honor of extraordinary contribution towards the advancement of medical education at the college of Health sciences, Mekelle University, Ethiopia.
2001 Chief Resident, Pathology and Laboratory Medicine, University of Florida

Publications

"Using American Type Culture Collection Cell Lines to Evaluate Interlaboratory Variables for Estrogen Receptor and Human Epidermal Growth Factor Receptor 2 Immunostaining." Witt BL, Zhou W, Ambaye AB, Bellizzi A, Booth CN, Sundling K, Nguyen L, Russell DK, Schinstine M, Staats PN, Thomsen J, Troxell M, Souers RJ, Dvorak J, Lin X, Kurtycz DFI. Archives in Pathology and Laboratory Medicine. 2023 Feb 1;147(2):143-148. doi: 10.5858/arpa.2021-0152-CP. PMID: 35639575 

“Validation of p16 immunocytochemical staining on alcohol-fixed aspirate smears: A single-institutional study with review of the literature.” Doonan K, Ambaye A, Buskey A, Mitchell J, Ciolino AL. Cancer Cytopathol. 2022 May;130(5):381-391. doi: 10.1002/cncy.22557. Epub 2022 Feb 1. PMID: 35104053

“Quantitative assessment of PD-L1 as an analyte in immunohistochemistry diagnostic assays using a standardized cell line tissue microarray.” Martinez-Morilla S, McGuire J, Gaule P, Moore L, Acs B, Cougot D, Gown AM, Yaziji H, Wang WL, Cartun RW, Hornick JL, Sholl LM, Qiu J, Mino-Kenudson M, Yi ES, Beasley MB, Merrick DT, Ambaye AB, Zhang ZJ, Walker J, Rimm DL. Lab Invest. 2019 Aug 13. doi: 10.1038/s41374-019-0295-9. [Epub ahead of print] PMID: 31409885 [PubMed - as supplied by publisher]

“Predictive Markers Require Thorough Analytic Validation.” Troxell ML, Fulton RS, Swanson PE, Bellizzi AM, Fitzgibbons PL, Ambaye AB, Haas TS, Goldsmith JD, Loykasek PA, Miller DV, O'Malley D, Qiu J, Salama ME, Schaberg KB, Schwartz RA, Shia J, Summers TA Jr, Wu Y. Arch Pathol Lab Med. 2019 Aug;143(8):907-909. doi: 10.5858/arpa.2019-0112-LE. No abstract available. PMID: 31339757 [PubMed - in process]

“Investigation of HNF-1B as a diagnostic biomarker for pancreatic ductal adenocarcinoma.” Yang MX, Coates RF, Ambaye A, Gardner JA, Zubarick R, Gao Y, Skelly J, Liu JG, Mino-Kenudson M. Biomark Res. 2018 Jul 27;6:25. doi: 10.1186/s40364-018-0139-6. eCollection 2018. PMID: 30065837 Free PMC Article

“NKX2.2, PDX-1 and CDX-2 as potential biomarkers to differentiate well-differentiated neuroendocrine tumors.” Yang MX, Coates RF, Ambaye A, Cortright V, Mitchell JM, Buskey AM, Zubarik R, Liu JG, Ades S, Barry MM. Biomark Res. 2018 Apr 18;6:15. doi: 10.1186/s40364-018-0129-8. eCollection 2018. PMID: 29713473 Free PMC Article

“In Reply.” Ambaye AB, MacLennan SE, Goodwin AJ, Weaver DL. Arch Pathol Lab Med. 2018 Mar;142(3):287b-288. doi: 10.5858/arpa.2017-0458-LE. No abstract available. PMID: 29494221

“Transition to Subspecialty Sign-Out at an Academic Institution and Its Advantages.” Conant JL, Gibson PC, Bunn J, Ambaye AB. Acad Pathol. 2017 Jul 6;4:2374289517714767. doi: 10.1177/2374289517714767. eCollection 2017 Jan-Dec.PMID: 28815203 Free PMC Article

“Recommendations for Pathologic Evaluation of Reduction Mammoplasty Specimens: A Prospective Study With Systematic Tissue Sampling.” Ambaye AB, Goodwin AJ, MacLennan SE, Naud S, Weaver DL. Arch Pathol Lab Med. 2017 Nov;141(11):1523-1528. doi: 10.5858/arpa.2016-0492-OA. PMID: 28795842

"Comparison of Estrogen and Progesterone Receptor Antibody Reagents Using Proficiency Testing Data." Troxell ML, Long T, Hornick JL, Ambaye AB, Jensen KC. Archives of Pathology and Laboratory Medicine. 2017 Oct;141(10):1402-1412. doi: 10.5858/arpa.2016-0497-OA. Epub 2017 Jul 17. PMID: 28714765