Dorina Gui, M.D., Ph.D.

Health Sciences Associate Clinical Professor of Pathology

Director of Anatomic and Digital Pathology

Medical Director, EPIC AP Beaker

To see if Dorina Gui is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Pathology - Gastrointestinal

Pathology - Surgical

Pathology - GE, Liver, & Transplant

Digital Pathology

Locations and Contact

Pathology Building

4400 V St.
Sacramento, CA 95817

Get Directions

Additional Numbers

Clinic Fax


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

I like to treat everybody the way I would like to be treated.

Clinical Interests

Dr. Gui is a fellowship-trained pathologist with expertise in gastrointestinal and liver pathology.


Anatomic Pathology

Medical School

M.D., University of Medicine "Iuliu Hatieganu", Cluj-Napoca, Romania 1995

Other School

Ph.D., University of Medicine "Iuliu Hatieganu", Cluj-Napoca, Romania 2002


Pathology, UCLA, Los Angeles CA 2008-2011


Pathology, UCLA, Los Angeles CA 2012-2013


GI/Liver Pathology, UCLA, Los Angeles CA 2013-2014

Boris Ruebner and John Rosenquist Excellence in Teaching Award, 2015 and 2023, 2015

Honored Mentor Ribbon, USCAP Foundation, 2018 and 2019, 2018

Cardiovascular Pathology Outstanding Achievement Award, 2010-2011, UCLA, UCLA, 2010

Outstanding poster (“Automated Image Analysis of Cytoplasmic Immunohistochemical Stains: A Technique to Overcome Thresholding Challenges”) - Pathology Visions Conference, Sept 13 - 15, 2009, San Diego, CA, 2009

Matsukuma K, Gui D, Saadai P. Hirschsprung Disease for the Practicing Surgical Pathologist. Am J Clin Pathol, 2023 Mar 13; 159 (3): 228-241. 

Cho M, Gholami S, Gui D, Tejaswi S, Fananapazir G, Abi-Jaoudeh N, Jutric Z, Samarasena J, Li X, Valerin J, Mercer J, Dayyani F. Optimizing the Diagnosis and Biomarker Testing for Patients with Intrahepatic Cholangiocarcinoma: A Multidisciplinary Approach. Cancers 2022, Vol 14, Issue 2, 392.

Meyers B, Birkeland A, Marsden M, Tam A, Bec J, Frusciante R, Gui D, Bewley A, Abouyared M, Marcu L, Farwell DG. Intraoperative delineation of p16+ oropharyngeal carcinoma of unknown primary origin with fluorescence lifetime imaging: preliminary report. Head&Neck. 2022, Vol 44 (issue 8), 1765-760.

Liu Y, Payne-Uprichard D, Gui D, Darrow MA, Rashidi HH, Matsukuma K. Analyzing Anatomic Pathology On-Call Summaries to Improve Resident Education. Arch Pathol Lab Med. 2021 Apr 9.

Govind D, Jen Y, Matsukuma K, Gao G, Olson, K A, Gui D; Wilding G E, Border S P, Sarder P. Improving the accuracy of gastrointestinal neuroendocrine tumor grading with deep learning. Sci Rep. 2020; 10; 11064.

Gui D, Borowsky A, Glassy EF, Wallace DW, et all. Digital Whole Slide Imaging Compared to Light Microscopy for Primary Diagnosis in Surgical Pathology: A Multicenter, Double-Blinded, Randomized Study of 2045 Cases. Archives of Path and Lab Med. 2020; 144, 10, 1245-1253.


Piao C, Koul A, Gui D, Chen L, Sarkar S. Non-cirrhotic portal hypertension secondary to nodular regenerative hyperplasia post-renal transplant: a case series. ACG Case Rep J. 2019; 6:e00257.

Dorina Gui, Galen Cortina, David Dawson, Steve Hart; Bita Naini, Garrett Gerney, Sarah Dry. Digital diagnosis of dysplasia in upper gastro-intestinal tract biopsies: a short study.  J Pathol Inform. 2012;3:27. 

Lisa M Stoll, Oliver Dorigo, Dorina Gui, MW Johnson, Ram Parvataneni, Peggy Sullivan. Solid pseudopapillary neoplasm, pancreas type, presenting as a primary ovarian neoplasm. Hum Path. 2012;43(8):1339-43.

Steven Ohsie, Garrett Gerney, Dorina Gui, Doron Kahana, Martín G. Martín, Galen Cortina. A paucity of colonic enteroendocrine and/or enterochromaffin cells characterizes a subset of patients with chronic unexplained diarrhea/malabsorption. Hum Path. 2009; 40: 1006–1014.