Faculty profile

Bayardo Perez-Ordonez

Back to faculty

Associate ProfessorDepartment of Laboratory Medicine & PathobiologyUniversity of Toronto

Bayardo Perez-Ordonez

Associate Professor

Department of Laboratory Medicine & Pathobiology

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
9 publications in the last five years, latest in 2024.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

2,949

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

University Profile

Search on Google Scholar

Search on ResearchGate

iDORCID OpenAlex

Find them onX · LinkedIn · Bluesky · YouTube

Signals and details

Research

Read how they describe their research on their University of Toronto profile.

Latest papers

Multimodal detection of molecular residual disease in high-risk locally advanced squamous cell carcinoma of the head and neck.
Cell death and differentiation · 2024
Prospective manipulation of the gut microbiome with microbial ecosystem therapeutic 4 (MET4) in HPV-related locoregionally-advanced oropharyngeal cancer squamous cell carcinoma (LA-OPSCC) undergoing primary chemoradiation: ROMA2 study.
British journal of cancer · 2024
Standardised definitions and diagnostic criteria for extranodal extension detected on histopathological examination in head and neck cancer: Head and Neck Cancer International Group consensus recommendations.
The Lancet. Oncology · 2024

All 51 publications

Latest funding

Tumour-Initiating Cells in Oral Cancer Patients: Predictors of Outcome and Identification of Candidate Therapeutic Targets
CIHR · 2012 · Co-investigator
$523,091
Is the improvement in survival for HPV associated head and neck cancer due to the addition of chemotherapy to radiotherapy or to a more treatment-sensitive cancer?
CIHR · 2010 · Co-investigator
$590,526
Is the improvement in survival for HPV associated head and neck cancer due to the addition of chemotherapy to radiotherapy or to a more treatment-sensitive cancer?
CIHR · 2009 · Co-investigator
$86,603

All 3 grants and awards

51 publications.

Multimodal detection of molecular residual disease in high-risk locally advanced squamous cell carcinoma of the head and neck.

Sanz-Garcia E, Zou J, Avery L, Spreafico A, Waldron J, Goldstein D, Hansen A, Cho BCJ, de Almeida J, Hope A, Hosni A, Hahn E, Perez-Ordonez B, Zhao Z, Smith C, Zheng Y, Singaravelan N, Bratman SV, Siu LL

Cell death and differentiation202432 citationsOpen Access

DOI: 10.1038/s41418-024-01272-y PMID: 38409276

Prospective manipulation of the gut microbiome with microbial ecosystem therapeutic 4 (MET4) in HPV-related locoregionally-advanced oropharyngeal cancer squamous cell carcinoma (LA-OPSCC) undergoing primary chemoradiation: ROMA2 study.

Oliva M, Heirali A, Watson G, Rooney AM, Cochrane K, Jennings S, Taylor R, Xu M, Hosni A, Hope A, Bratman SV, Chepeha D, Weinreb I, Perez-Ordonez B, Nin RM, Waldron J, Xu W, Hansen AR, Siu LL, Coburn B, Spreafico A

British journal of cancer20246 citationsOpen Access

DOI: 10.1038/s41416-024-02701-y PMID: 38714747

Standardised definitions and diagnostic criteria for extranodal extension detected on histopathological examination in head and neck cancer: Head and Neck Cancer International Group consensus recommendations.

Abou-Foul AK, Henson C, Chernock RD, Huang SH, Lydiatt WM, McDowell L, O'Sullivan B, Perez-Ordonez B, Robinson M, Nankivell PC, Ruiz-Bravo E, Chiosea SI, Green TM, Hunter KD, Hwang JS, Koljenovic S, Koppes SA, Larsen SR, Lo AWI, Costes-Martineau V, Mittal N, Mori T, Nagao T, Panayiotides IG, Pinto CAL, Scheckenbach K, Seethala RR, Ulhøi BP, Vingiani A, Zhang Y, Yom SS, Mehanna H

The Lancet. Oncology2024

DOI: 10.1016/s1470-2045(24)00143-8 PMID: 38936387

Long-standing laryngeal rhinoscleroma with rare Mikulicz cells.

Peerani R, Shah M, Minnema B, Ghaffar H, Chetty R, Delabie J, Perez-Ordonez B, Xia D

Clinical case reports20233 citationsOpen Access

DOI: 10.1002/ccr3.7490 PMID: 37305896

Adenoid Cystic Carcinoma With Striking Tubular Hypereosinophilia: A Unique Pattern Associated With Nonparotid Location and Both Canonical and Novel EWSR1::MYB and FUS::MYB Fusions.

Weinreb I, Rooper LM, Dickson BC, Hahn E, Perez-Ordonez B, Smith SM, Lewis JS, Skalova A, Baněčková M, Wakely PE, Thompson LDR, Rupp NJ, Freiberger SN, Koduru P, Gagan J, Bishop JA

The American journal of surgical pathology2023

DOI: 10.1097/pas.0000000000002023 PMID: 36920022

Comprehensive Molecular Characterization of Polymorphous Adenocarcinoma, Cribriform Subtype: Identifying Novel Fusions and Fusion Partners.

Hahn E, Xu B, Katabi N, Dogan S, Smith SM, Perez-Ordonez B, Patel PB, MacMillan C, Lubin DJ, Gagan J, Weinreb I, Bishop JA

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc2023

DOI: 10.1016/j.modpat.2023.100305 PMID: 37595638

Clinical presentation and outcome of human papillomavirus-positive nasopharyngeal carcinoma in a North American cohort.

Huang SH, Jacinto JCK, O'Sullivan B, Su J, Kim J, Ringash J, Spreafico A, Yu E, Perez-Ordonez B, Weinreb I, Cho J, Hope AJ, Bratman SV, Giuliani ME, Hosni A, Hahn E, Goldstein DP, Tong L, Eng L, Xu W, Waldron JN

Cancer202234 citationsOpen Access

DOI: 10.1002/cncr.34266 PMID: 35588085

Longitudinal health utility and symptom-toxicity trajectories in patients with head and neck cancers.

Ren J, Pang W, Hueniken K, Haddad G, Hope A, Huang SH, Spreafico A, Hansen AR, Perez-Ordonez B, Goldstein DP, Bratman SV, Zhang W, Zhao Y, Xu W, de Almeida JR, Liu G

Cancer202214 citations

DOI: 10.1002/cncr.33936 PMID: 34597435

Radiologic-pathologic correlation of major versus minor extranodal extension in oral cavity cancer.

Blasco MA, Noel CW, Truong T, Huang SH, Goldstein DP, Irish JC, Gilbert R, Hosni A, Hope A, O'Sullivan B, Waldron J, Perez-Ordonez B, Weinreb I, Smith SM, Bartlett E, Yu E, de Almeida JR

Head & neck20228 citations

DOI: 10.1002/hed.27036 PMID: 35315548

Regional Recurrences and Hyams Grade in Esthesioneuroblastoma.

Ziai H, Yu E, Weinreb I, Perez-Ordonez B, Yao CMKL, Xu W, Yang D, Witterick IJ, Monteiro E, Gilbert RW, Irish JC, Gullane PJ, Goldstein DP, Ringash J, Bayley A, de Almeida JR

Journal of neurological surgery. Part B, Skull base202111 citationsOpen Access

DOI: 10.1055/s-0040-1715809 PMID: 34745827

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

Something wrong or missing on this profile? Suggest a correction

Bayardo Perez-Ordonez

Research

Latest papers

Latest funding

Multimodal detection of molecular residual disease in high-risk locally advanced squamous cell carcinoma of the head and neck.

Prospective manipulation of the gut microbiome with microbial ecosystem therapeutic 4 (MET4) in HPV-related locoregionally-advanced oropharyngeal cancer squamous cell carcinoma (LA-OPSCC) undergoing primary chemoradiation: ROMA2 study.

Standardised definitions and diagnostic criteria for extranodal extension detected on histopathological examination in head and neck cancer: Head and Neck Cancer International Group consensus recommendations.

Long-standing laryngeal rhinoscleroma with rare Mikulicz cells.

Adenoid Cystic Carcinoma With Striking Tubular Hypereosinophilia: A Unique Pattern Associated With Nonparotid Location and Both Canonical and Novel EWSR1::MYB and FUS::MYB Fusions.

Comprehensive Molecular Characterization of Polymorphous Adenocarcinoma, Cribriform Subtype: Identifying Novel Fusions and Fusion Partners.

Clinical presentation and outcome of human papillomavirus-positive nasopharyngeal carcinoma in a North American cohort.

Longitudinal health utility and symptom-toxicity trajectories in patients with head and neck cancers.

Radiologic-pathologic correlation of major versus minor extranodal extension in oral cavity cancer.

Regional Recurrences and Hyams Grade in Esthesioneuroblastoma.

Tumour-Initiating Cells in Oral Cancer Patients: Predictors of Outcome and Identification of Candidate Therapeutic Targets

Is the improvement in survival for HPV associated head and neck cancer due to the addition of chemotherapy to radiotherapy or to a more treatment-sensitive cancer?

Is the improvement in survival for HPV associated head and neck cancer due to the addition of chemotherapy to radiotherapy or to a more treatment-sensitive cancer?

Frequent collaborators

Ilan Weinreb

Brian O'Sullivan

John Waldron

Andrew Hope

John Kim

Jolie Ringash

Wei Xu

Jonathan Irish

Scott Bratman

Eugene Yu

Meredith Giuliani

Andrew Bayley

John Cho

Lillian Siu

David Goldstein

Ali Hosni

Fei-Fei Liu

Ralph Gilbert

Patrick Gullane

Anna Spreafico

Dale Brown

Bernard Cummings

Eric Bartlett

Raymond Jang

Ian Witterick

Laura Dawson

Albiruni Razak

Manish Shah

Ezra Hahn

Razq Hakem

John de Almeida

Elan Hahn

Geoffrey Liu

Michael Au

Otto Sanchez

Razqallah Hakem

Igor Jurisica

Paul Boutros

Ur Metser

Ozgur Mete