Faculty profile

Ian Witterick

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ProfessorDepartment of Otolaryngology - Head and Neck SurgeryUniversity of Toronto

Ian Witterick

Professor

Department of Otolaryngology - Head and Neck Surgery

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

ORCID

Supervision signals

Professors usually supervise graduate students in their department's programs.
19 publications in the last five years, latest in 2026.
Senior (last) author on 1 recent paper, a sign of leading a research group.

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

Academic metrics

Publications

144

Citations

h-index

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Education

M.D.
M.Sc.
Fellow
Diplomate

Profiles and links

University Profile Search on Google Scholar iDORCID

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Signals and details

Research

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

Latest papers

Craniofacial Resection for Advanced Cutaneous Squamous Cell Carcinoma: Results From the 2nd International Collaborative Case-Series.
Head & neck · 2026
Nomograms Predictive of Recurrence in Malignant Tumors Treated With Skull Base Surgery: An International Collaborative Study.
Head & neck · 2026
Multidisciplinary Consensus Statement for Appropriate Evaluation and Workup of Sinonasal Masses.
JAMA otolaryngology-- head & neck surgery · 2026

All 55 publications

Latest funding

BDNF/TRPC Signal Transduction in Bipolar Disorder and Mood Stabilizer Action
CIHR · 2008 · Co-investigator
$305,193

All 1 grants and awards

55 publications.

Craniofacial Resection for Advanced Cutaneous Squamous Cell Carcinoma: Results From the 2nd International Collaborative Case-Series.

Schachtel MJC, Panizza BJ, Bowman JJ, Barnett C, Valero C, Ganly I, Patel SG, Levyn H, Adilbay D, Eagan A, Cohen MA, Boe LA, Zheng J, Gonen M, Pai P, Castelnuovo P, Gao FJ, Piazza C, Nicolai P, Kowalski LP, Toledo RN, Cernea C, Goncalves S, Fliss DM, de Almeida JR, Witterick I, Herman P, Fontanella W, Aniceto GS, Calle AR, Hosal S, Ozer S, Iyer S, Harvey RJ, Leemans CR, Hendrickx JJ, Figari M, Boccalatte L, Nibu KI, Clarke P, Rennie C, Zhu Y, Schlosser RJ, Dias FL, Sargi Z, Ahmed S, Golusinski W, Kim SH, Su SY, Raza SM, DeMonte F, Hanna E, Shah JP

Head & neck2026

DOI: 10.1002/hed.70412 PMID: 42509203

Nomograms Predictive of Recurrence in Malignant Tumors Treated With Skull Base Surgery: An International Collaborative Study.

Valero C, Ganly I, Boe LA, Patel SG, Levyn H, Adilbay D, Eagan A, Cohen MA, Zheng J, Gonen M, Pai P, Castelnuovo P, Gao FJ, Piazza C, Nicolai P, Panizza B, Bowman J, Barnett C, Kowalski LP, Toledo RN, Fliss DM, de Almeida JR, Witterick I, Herman P, Fontanella W, Sanchez Aniceto G, Rivero Calle A, Hosal S, Ozer S, Iyer S, Harvey R, Leemans CR, Hendrickx JJ, Figari M, Boccalatte L, Nibu KI, Clarke P, Rennie C, Ming ZY, Cernea C, Goncalves S, Schlosser RJ, Dias FL, Sargi Z, Ahmed S, Golusinski W, Kim SH, Su SY, Raza SM, DeMonte F, Hanna E, Shah JP

Head & neck2026

DOI: 10.1002/hed.70390 PMID: 42425927

Multidisciplinary Consensus Statement for Appropriate Evaluation and Workup of Sinonasal Masses.

London NR, Chiu J, Akhave NS, Choby G, Dubin MG, Fortune DS, Gray ST, Grayson JW, Hanna EY, Hanna GJ, Holbrook EH, Hopkins C, Lechner M, Lund VJ, McKean E, Mydlarz WK, Reh DD, Sanusi O, Stewart MG, Su SY, Wang EW, Wang MB, Witterick I, Kuan EC, Geltzeiler M

JAMA otolaryngology-- head & neck surgery2026

DOI: 10.1001/jamaoto.2026.1185 PMID: 42207510

Skull Base Surgery in the Pediatric Population-The 2nd International Collaborative Study (1995-2015).

Fliss DM, Ungar OJ, Levyn H, Valero C, Adilbay D, Eagan A, Zheng J, Gonen M, Cohen MA, Patel S, Ganly I, Pai P, Castelnuovo P, Gao FJ, Piazza C, Nicolai P, Panizza BJ, Bowman J, Barnett C, Kowalski LP, Toledo RN, DeAlmeida J, Witterick I, Herman P, Fontanella W, Aniceto GS, Hosal S, Ozer S, Iyer S, Harvey R, Leemans CR, Hendrickx JJ, Figari M, Boccalatte L, Nibu I, Clarke P, Rennie C, Zhu Y, Cernea C, Goncalves S, Schlosser R, Dias F, Sargi Z, Ahmed S, Golusinski W, Kim SH, Su SY, Raza SM, DeMonte F, Hanna E, Shah JP

Head & neck2026

DOI: 10.1002/hed.70168 PMID: 41670175

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 Laryngoscope2026

DOI: 10.1002/lary.70424 PMID: 41654325

Multi-Institutional Modified Delphi For Genomics in Expert Consensus Survey of Genomic Testing for Anterior Skull Base Malignancies.

Saraswathula A, Sriram S, Levine C, London NR, Su SY, Geltzeiler M, Rangarajan SV, Witterick I, Thorp B, Gallagher KK, Byrd K, Carrau R, Abuzeid W, Wang E, Snyderman C, McKean EL

Journal of neurological surgery. Part B, Skull base2026

DOI: 10.1055/a-2531-2230 PMID: 41503425

Outcomes and characteristics of patients receiving pre-operative versus post-operative radiotherapy for sinonasal squamous cell carcinoma.

Chelvarajah RC, Huang SH, Su J, Gete M, Ringash J, Witterick I, de Almeida J, Monteiro E, Gilbert R, Spreafico A, Waldron J, O'Sullivan B, Hosni A, Bratman S, Cho BCJ, Hope A, Kim J, McPartlin A, Tsai CJ, Tong L, Hahn E

Oral oncology2025

DOI: 10.1016/j.oraloncology.2025.107794 PMID: 41275659

Multi-Institutional Comparison of Quality of Life Between Open Versus Endoscopic Skull Base Approaches.

de Almeida JR, Hueniken K, Xie M, Monteiro E, Zadeh G, Kalyvas A, Gullane P, Snyderman C, Wang E, Gardner P, Fliss D, Ringel B, Gil Z, Na'ara S, Ooi E, Goldstein D, Witterick I

Laryngoscope investigative otolaryngology2025Senior author

DOI: 10.1002/lio2.70082 PMID: 39840025

Radiology-Pathology Concordance and Prognostication of Nodal Features in pN+ Oral Cavity Cancer.

Duguet-Armand M, Su J, O'Sullivan B, de Almeida J, Hosni A, Weinreb I, Perez-Ordonez B, Smith S, Witterick I, Yao C, Goldstein D, Hope A, Hahn E, Waldron J, Ringash J, Spreafico A, Yu E, Huang SH

The Laryngoscope2024

DOI: 10.1002/lary.31578 PMID: 38874287

Skull base surgery for malignant tumors: The 2nd international collaborative study (1995-2015).

Shah JP, Levyn H, Valero C, Adilbay D, Eagan A, Zheng J, Gonen M, Cohen M, Patel S, Ganly I, Pai P, Castelnuovo P, Gao FJ, Piazza C, Nicolai P, Panizza B, Bowman J, Barnett C, Kowalski LP, Toledo R, Fliss DM, DeAlmeida J, Witterick I, Herman P, Fontanella W, Aniceto GS, Hosal S, Ozer S, Iyer S, Harvey R, Leemans CR, Hendrickx JJ, Figari M, Boccalatte L, Nibu KI, Clarke P, Rennie C, Ming ZY, Cernea C, Goncalves S, Schlosser R, Dias F, Sargi Z, Ahmed S, Golusinski W, Kim SH, Su SY, Raza SM, DeMonte F, Hanna E

Head & neck2024

DOI: 10.1002/hed.27746 PMID: 38770972

Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Ian Witterick

Research

Latest papers

Latest funding

Craniofacial Resection for Advanced Cutaneous Squamous Cell Carcinoma: Results From the 2nd International Collaborative Case-Series.

Nomograms Predictive of Recurrence in Malignant Tumors Treated With Skull Base Surgery: An International Collaborative Study.

Multidisciplinary Consensus Statement for Appropriate Evaluation and Workup of Sinonasal Masses.

Skull Base Surgery in the Pediatric Population-The 2nd International Collaborative Study (1995-2015).

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

Multi-Institutional Modified Delphi For Genomics in Expert Consensus Survey of Genomic Testing for Anterior Skull Base Malignancies.

Outcomes and characteristics of patients receiving pre-operative versus post-operative radiotherapy for sinonasal squamous cell carcinoma.

Multi-Institutional Comparison of Quality of Life Between Open Versus Endoscopic Skull Base Approaches.

Radiology-Pathology Concordance and Prognostication of Nodal Features in pN+ Oral Cavity Cancer.

Skull base surgery for malignant tumors: The 2nd international collaborative study (1995-2015).

BDNF/TRPC Signal Transduction in Bipolar Disorder and Mood Stabilizer Action

Frequent collaborators

John Kim

Andrew Hope

Gelareh Zadeh

Wei Xu

Jonathan Irish

John de Almeida

Anna Spreafico

Scott Bratman

Anthony Nichols

Antoine Eskander

Christopher Yao

Fei-Fei Liu

Iona Leong

Howard Lampe

Matthew Cecchini

Rosanna Weksberg

Benjamin Haibe-Kains

Shaun Kilty

Antonio Finelli

Richard Leigh

Julie Hallet

Alyson Mahar