Faculty profile

Pascal Tyrrell

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Associate ProfessorDepartment of Medical ImagingUniversity of Toronto

Pascal Tyrrell

Associate Professor

Department of Medical Imaging

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

ORCID

Supervision signals

Professors usually supervise graduate students in their department's programs.
1 publication in the last five years, latest in 2026.

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Academic metrics

Publications

176

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.

Education

Ph.D., Medical Science
Master's Degree, Cyanobacterial Physiology
Bachelor's Degree, Honor, Biology

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

Predictors of Repeat Nondiagnostic Cytology in Thyroid Fine-Needle Aspiration.
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes · 2026
Hold-out validation for the assessment of stability and reliability of multivariable regression demonstrated with magnetic resonance imaging of patients with schizophrenia.
International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience · 2021 · senior author
The Initial Step Towards Establishing a Quantitative, Magnetic Resonance Imaging-Based Framework for Response Assessment of Spinal Metastases After Stereotactic Body Radiation Therapy.
Neurosurgery · 2021

All 12 publications

Latest funding

Precision nutrition and metabolic health in a 20-year follow up of a multiethnic population living in Canada
CIHR · 2026 · Co-investigator
$512,550
Primary teeth as an avenue to identify children at risk for mental health conditions: Analysis of dental images using machine learning
SSHRC · 2024 · Co-investigator
$124,775

All 2 grants and awards

12 publications.

Predictors of Repeat Nondiagnostic Cytology in Thyroid Fine-Needle Aspiration.

Castillo F, Tafur M, Lin C, Tyrrell P, Vlachou PA, Callejas Canepa M

Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes2026

DOI: 10.1177/08465371261442120 PMID: 42052626

Hold-out validation for the assessment of stability and reliability of multivariable regression demonstrated with magnetic resonance imaging of patients with schizophrenia.

Levman J, Jennings M, Kabaria P, Rouse E, Nangaku M, Berger D, Gondra I, Takahashi E, Tyrrell P

International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience2021Senior author

DOI: 10.1002/jdn.10144 PMID: 34308560

The Initial Step Towards Establishing a Quantitative, Magnetic Resonance Imaging-Based Framework for Response Assessment of Spinal Metastases After Stereotactic Body Radiation Therapy.

Jabehdar Maralani P, Tseng CL, Baharjoo H, Wong E, Kapadia A, Dasgupta A, Howard P, Chan AKM, Atenafu EG, Lu H, Tyrrell P, Das S, Payabvash S, Detsky J, Husain Z, Myrehaug S, Soliman H, Chen H, Heyn C, Symons S, Sahgal A

Neurosurgery2021

DOI: 10.1093/neuros/nyab310 PMID: 34392364

Convolutional neural networks versus radiologists in characterization of small hypoattenuating hepatic nodules on CT: a critical diagnostic challenge in staging of colorectal carcinoma.

Khalili K, Lawlor RL, Pourafkari M, Lu H, Tyrrell P, Kim TK, Jang HJ, Johnson SA, Martel AL

Scientific reports2020

DOI: 10.1038/s41598-020-71364-5 PMID: 32943654

The relevance of skull density ratio in selecting candidates for transcranial MR-guided focused ultrasound.

Boutet A, Gwun D, Gramer R, Ranjan M, Elias GJB, Tilden D, Huang Y, Li SX, Davidson B, Lu H, Tyrrell P, Jones RM, Fasano A, Hynynen K, Kucharczyk W, Schwartz ML, Lozano AM

Journal of neurosurgery2020

DOI: 10.3171/2019.2.jns182571 PMID: 31051458

The clinical significance of indeterminate pulmonary nodules in melanoma patients at baseline and during follow-up chest CT.

Soliman M, Petrella T, Tyrrell P, Wright F, Look Hong NJ, Lu H, Zezos P, Jimenez-Juan L, Oikonomou A

European journal of radiology open2019

DOI: 10.1016/j.ejro.2019.02.003 PMID: 30805420

Haptoglobin 2-2 genotype is associated with presence and progression of MRI depicted atherosclerotic intraplaque hemorrhage.

Marvasti TB, Moody AR, Singh N, Maraj T, Tyrrell P, Afshin M

International journal of cardiology. Heart & vasculature2018

DOI: 10.1016/j.ijcha.2017.11.003 PMID: 29876508

Activity-independent targeting of mTOR to lysosomes in primary osteoclasts.

Wang A, Carraro-Lacroix LR, Owen C, Gao B, Corey PN, Tyrrell P, Brumell JH, Voronov I

Scientific reports2017

DOI: 10.1038/s41598-017-03494-2 PMID: 28592812

Juvenile Psoriatic Arthritis (JPsA): juvenile arthritis with psoriasis?

Butbul Aviel Y, Tyrrell P, Schneider R, Dhillon S, Feldman BM, Laxer R, Saurenmann RK, Spiegel L, Cameron B, Tse SM, Silverman E

Pediatric rheumatology online journal2013

DOI: 10.1186/1546-0096-11-11 PMID: 23497068

Experience With Hemophagocytic Lymphohistiocytosis/Macrophage Activation Syndrome at a Single Institution

Gupta AA, Tyrrell P, Valani R, Benseler S, Abdelhaleem M, Weitzman S

Journal of Pediatric Hematology/Oncology200953 citations

DOI: 10.1097/mph.0b013e3181923cb4

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

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Pascal Tyrrell

Research

Latest papers

Latest funding

Predictors of Repeat Nondiagnostic Cytology in Thyroid Fine-Needle Aspiration.

Hold-out validation for the assessment of stability and reliability of multivariable regression demonstrated with magnetic resonance imaging of patients with schizophrenia.

The Initial Step Towards Establishing a Quantitative, Magnetic Resonance Imaging-Based Framework for Response Assessment of Spinal Metastases After Stereotactic Body Radiation Therapy.

Convolutional neural networks versus radiologists in characterization of small hypoattenuating hepatic nodules on CT: a critical diagnostic challenge in staging of colorectal carcinoma.

The relevance of skull density ratio in selecting candidates for transcranial MR-guided focused ultrasound.

The clinical significance of indeterminate pulmonary nodules in melanoma patients at baseline and during follow-up chest CT.

Haptoglobin 2-2 genotype is associated with presence and progression of MRI depicted atherosclerotic intraplaque hemorrhage.

Activity-independent targeting of mTOR to lysosomes in primary osteoclasts.

Juvenile Psoriatic Arthritis (JPsA): juvenile arthritis with psoriasis?

Experience With Hemophagocytic Lymphohistiocytosis/Macrophage Activation Syndrome at a Single Institution

Precision nutrition and metabolic health in a 20-year follow up of a multiethnic population living in Canada

Primary teeth as an avenue to identify children at risk for mental health conditions: Analysis of dental images using machine learning

Frequent collaborators

Pascal Tyrrell

Sheila Weitzman

Rahim Valani

Susanne Benseler

Mohamed Abdelhaleem

Frances Wright

Benjamin Davidson

Abha Gupta

Alfonso Fasano

Pejman Jabehdar Maralani

Arjun Sahgal

Pejman Jabehdar Maralani

Sunit Das

Jacob Levman

Alexandre Boutet

Kullervo Hynynen

Irina Voronov