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Ezra Hahn

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Assistant ProfessorDepartment of Radiation OncologyUniversity of Toronto

Ezra Hahn

Assistant Professor

Department of Radiation Oncology

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
54 publications in the last five years, latest in 2026.
Senior (last) author on 5 recent papers, a sign of leading a research group.

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

547

Citations

113

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

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Signals and details

Research

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

Latest papers

Prognostic Factors in Sinonasal Cancers: A Multicenter Pooled Analysis.
The Laryngoscope · 2026
Machine Learning Models for Individualized Osteoradionecrosis Risk Prediction in Head and Neck Cancer.
Journal of medical systems · 2026
Refining adjuvant radiation therapy decision using a nomogram in major salivary gland carcinoma.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology · 2026

All 67 publications

Latest funding

Validation of a novel biomarker classifier that predicts radiation response following breast-conserving surgery for ductal carcinoma in situ (DCIS)
CIHR · 2022 · Co-investigator
$1,981,352

All 1 grants and awards

67 publications.

Prognostic Factors in Sinonasal Cancers: A Multicenter Pooled Analysis.

Stefanovic M, Hernando-Calvo A, Castro JB, Huang SH, Su J, O'Sullivan B, Ringash J, Galiana IL, Borbalas AL, Cirauqui BC, Hahn E, Teruel I, de Almeida JR, Querol JM, Witterick IJ, Rubió-Casadevall J, Goldstein DP, Siu LL, Waldron J, Oliva M, Spreafico A

The Laryngoscope20264 citations

DOI: 10.1002/lary.70044 PMID: 40856008

Machine Learning Models for Individualized Osteoradionecrosis Risk Prediction in Head and Neck Cancer.

Moharrami M, Watson E, Huang SH, Madathil S, Kim J, McPartlin A, Malik NH, Singhal S, Hahn E, Waldron J, Bratman S, de Almeida J, Yao C, Hope A, Quinonez C, Glogauer M, Hosni A

Journal of medical systems20262 citations

DOI: 10.1007/s10916-026-02359-4 PMID: 41801474

Refining adjuvant radiation therapy decision using a nomogram in major salivary gland carcinoma.

Gau M, Su J, Huang SH, Alfaraj FA, Souied O, Mierzwa ML, Marta GN, Kowalski LP, Moraes FY, Xu W, Bayley A, Hahn E, Kim JJ, McPartlin A, O'Sullivan B, Hope A, Tsai CJ, Malik N, Waldron J, Bratman SV, Javed H, de Almeida JR, Yao CMKL, Hosni A

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology20261 citations

DOI: 10.1016/j.radonc.2026.111528 PMID: 42001963

Integrity of delivered dose in temporally fractionated lattice radiotherapy amid anatomical changes and setup uncertainties.

Liu N, Parent A, Tsang Y, Heng VJ, Wong P, Kirsch DG, Mesci A, Malik N, Chung P, Keilty D, Hahn E, Hodgson D, Tsai J, Dawson LA, Lukovic J, Serban M

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology20261 citations

DOI: 10.1016/j.radonc.2026.111457 PMID: 41765185

Prognostic Value of Impaired Vocal Cord Mobility in T2N0 Glottic Cancer Treated With IMRT.

Rühle A, Subramani R, Su J, O'Sullivan B, Waldron JN, Hope A, Bayley A, McPartlin A, Malik N, Bratman SV, Hosni A, Kim J, Witterick I, de Almeida JR, Yao C, Spreafico A, Tsai CJ, Tong L, Xu W, Huang SH, Hahn E

The Laryngoscope20261 citationsSenior authorOpen Access

DOI: 10.1002/lary.70424 PMID: 41654325

Impact of metastasis-directed therapy for metachronous thoracic metastases following definitive (chemo)radiotherapy in p16-positive head and neck squamous cell carcinoma.

Ly S, Rühle A, Bratman S, Cho J, Hosni A, Hahn E, Kim J, McPartlin A, Ringash J, O'Sullivan B, Tsai CJ, Waldron J, Goldstein D, Sanz-Garcia E, Spreafico A, Su J, Tong L, Weinreb I, Huang SH, Hope A

Oral oncology20261 citations

DOI: 10.1016/j.oraloncology.2026.108006 PMID: 42127862

Prevalence and Prognostic Value of Individual T4-Defining Radiologic Features in Human Papillomavirus-Positive Oropharyngeal Carcinoma.

Johari MH, Rühle A, Su J, O'Sullivan B, Yu E, Waldron JN, McPartlin A, Bayley A, Bratman SV, Sanz-Garcia E, Spreafico A, de Almeida J, Hahn E, Hope A, Hosni A, Kim J, Malik N, Xu W, Bartlett E, Huang SH

International journal of radiation oncology, biology, physics20261 citations

DOI: 10.1016/j.ijrobp.2025.12.032 PMID: 41448500

Nomogram for Risk-Adaptive Estimation of the Locoregional Control Benefit Following Postoperative Radiation Therapy for Pathologic N0 Oral Cavity Cancer: A Retrospective Analysis.

Gau M, Su J, Huang SH, Alfaraj FA, Olson R, Marta GN, Kowalski LP, Kohler HF, de Matos LL, Moraes FY, Xu W, Sanz-Garcia E, Hahn E, Kim JJ, McPartlin A, O'Sullivan B, Tsai CJ, Waldron J, Prisman E, Irish JC, Yao CMKL, de Almeida JR, Goldstein DP, Hope A, Hosni A

International journal of radiation oncology, biology, physics20261 citationsOpen Access

DOI: 10.1016/j.ijrobp.2025.09.011 PMID: 40972905

Disease Site-Specific Outcomes in p16-Positive Non-Oropharyngeal Mucosal Head and Neck Cancer.

Chelvarajah RC, Chee LYS, Su J, O'Sullivan B, Yao CMKL, Sanz-Garcia E, Smith SM, Weinreb I, Bratman S, Cho BCJ, Hahn E, Hope A, Hosni A, Kim J, McPartlin A, Malik N, Tsai CJ, de Almeida J, Spreafico A, Tong L, Huang SH, Waldron JN

Head & neck2026Open Access

DOI: 10.1002/hed.70230 PMID: 41816946

Quality assurance and improvement in dental oncology.

Kim JWJ, Joudah S, Michaelson T, Maxymiw WG, Yao CMKL, Hahn E, Hope A, Mattsson J, Chen C, Hosni A, Glogauer M, Watson E

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer2026

DOI: 10.1007/s00520-026-11077-z PMID: 42645639

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

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Ezra Hahn

Research

Latest papers

Latest funding

Prognostic Factors in Sinonasal Cancers: A Multicenter Pooled Analysis.

Machine Learning Models for Individualized Osteoradionecrosis Risk Prediction in Head and Neck Cancer.

Refining adjuvant radiation therapy decision using a nomogram in major salivary gland carcinoma.

Integrity of delivered dose in temporally fractionated lattice radiotherapy amid anatomical changes and setup uncertainties.

Prognostic Value of Impaired Vocal Cord Mobility in T2N0 Glottic Cancer Treated With IMRT.

Impact of metastasis-directed therapy for metachronous thoracic metastases following definitive (chemo)radiotherapy in p16-positive head and neck squamous cell carcinoma.

Prevalence and Prognostic Value of Individual T4-Defining Radiologic Features in Human Papillomavirus-Positive Oropharyngeal Carcinoma.

Nomogram for Risk-Adaptive Estimation of the Locoregional Control Benefit Following Postoperative Radiation Therapy for Pathologic N0 Oral Cavity Cancer: A Retrospective Analysis.

Disease Site-Specific Outcomes in p16-Positive Non-Oropharyngeal Mucosal Head and Neck Cancer.

Quality assurance and improvement in dental oncology.

Validation of a novel biomarker classifier that predicts radiation response following breast-conserving surgery for ductal carcinoma in situ (DCIS)

Frequent collaborators

Ali Hosni

Brian O'Sullivan

Andrew Hope

John Waldron

Scott Bratman

John Kim

Anna Spreafico

Wei Xu

Jolie Ringash

Christopher Yao

Andrew McPartlin

John de Almeida

John Cho

Nauman Malik

Enrique Sanz Garcia

Danielle Rodin

C. Tsai

Eileen Rakovitch

Jonathan Irish

Eugene Yu

David Goldstein

Lawson Eng

Chiaojung Tsai

Ian Witterick

Lillian Siu

Rinku Sutradhar

Lawrence Paszat

Meredith Giuliani

Andrew Bayley

Eric Monteiro

Sharon Tzelnick

Hatem Krema

Dana Keilty

Tony Tadic

Danny Vesprini

Grace Lee

Barbara-Ann Millar

Ralph Gilbert

Patrick Gullane

Dale Brown