Research
Read how they describe their research on their University of Toronto profile.
Latest papers
Plaque Brachytherapy for DICER1-Associated Ciliary Body Medulloepithelioma.
Journal of current ophthalmology · 2025 · senior author
Conjunctival Melanoma: Current Management.
International ophthalmology clinics · 2025 · first author
Management of orbital invasion at the caruncle by conjunctival squamous cell carcinoma.
Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 2025 · senior author
45 publications.
Plaque Brachytherapy for DICER1-Associated Ciliary Body Medulloepithelioma.
Abrishami M, Beiki-Ardakani A, Krema H
Conjunctival Melanoma: Current Management.
Krema H
Management of orbital invasion at the caruncle by conjunctival squamous cell carcinoma.
Da Silva MV, Laperriere N, Krema H
Primary conjunctival basal cell carcinoma treated with plaque brachytherapy: a rare case report.
Nag A, Krema H, Saeed Kamil Z, Akbar BA, Laperriere N
Iodine-125 plaque brachytherapy for the treatment of iris cavernous hemangioma.
Abrishami M, Beiki-Ardakani A, Krema H
Optic Nerve Sheath Meningioma Presenting as a Slow-Growing Intraocular Mass.
Lando L, Munoz DG, Dangboon W, Krema H, Altomare F
Intramuscular Hemangioma of Lateral Rectus Muscle with Rare Presentation as an Epibulbar Mass: A Case Report and Review of Literature.
Nag A, Krema H, Kamil ZS, Al-Mbaideen S
Presumed Solitary Circumscribed Retinal Astrocytic Proliferation: A Case Report.
Abrishami M, Weisbrod DJ, Krema H
Integrated, Longitudinal Analysis of Cell-free DNA in Uveal Melanoma.
Wong D, Luo P, Znassi N, Arteaga DP, Gray D, Danesh A, Han M, Zhao EY, Pedersen S, Prokopec S, Sundaravadanam Y, Torti D, Marsh K, Keshavarzi S, Xu W, Krema H, Joshua AM, Butler MO, Pugh TJ
Simple and effective immobilization for radiation treatment of choroidal melanoma
Monique van Prooijen, Lily S. Chau, Grace Tsui, Valerie A. Kelly, Michael Holwell, Tony Tadic, Derek S. Tsang, Hatem Krema, Normand Laperrière
Frequent collaborators
- David Malkin and Raymond Kim: 63 shared papers
- Raymond Kim and Derek Wong: 51 shared papers
- David Malkin and Derek Wong: 48 shared papers
- David Malkin and Derek Tsang: 33 shared papers
- Sareh Keshavarzi and John Waldron: 32 shared papers
- Sareh Keshavarzi and Derek Wong: 25 shared papers
- Ezra Hahn and John Waldron: 23 shared papers
- Arjun Sahgal and Derek Tsang: 10 shared papers
- Shereen Ezzat and Raymond Kim: 8 shared papers
- Filiberto Altomare and Hatem Krema: 7 shared papers
- John Waldron and David Payne: 5 shared papers
- Hatem Krema and Rand Simpson: 5 shared papers
- Arjun Sahgal and Sareh Keshavarzi: 4 shared papers
- David Payne and Hatem Krema: 4 shared papers
- Shereen Ezzat and David Malkin: 3 shared papers
- Arjun Sahgal and Barbara-Ann Millar: 3 shared papers
- Derek Tsang and John Waldron: 3 shared papers
- Derek Tsang and Barbara-Ann Millar: 3 shared papers
- David Payne and Rand Simpson: 3 shared papers
- Hatem Krema and Hugh McGowan: 3 shared papers
- Shereen Ezzat and John Waldron: 2 shared papers
- Arjun Sahgal and Hatem Krema: 2 shared papers
- Ezra Hahn and Barbara-Ann Millar: 2 shared papers
- Ezra Hahn and Hatem Krema: 2 shared papers
- Ezra Hahn and Rand Simpson: 2 shared papers
- Dan DeAngelis and Nancy Tucker: 2 shared papers
- Hugh McGowan and Rand Simpson: 2 shared papers
- Shereen Ezzat and Hatem Krema: 1 shared paper
- Shereen Ezzat and Marisa Sit: 1 shared paper
- David Malkin and Hatem Krema: 1 shared paper
- David Malkin and Marisa Sit: 1 shared paper
- An-Wen Chan and Hatem Krema: 1 shared paper
- Raymond Kim and Hilary Racher: 1 shared paper
- Raymond Kim and Hatem Krema: 1 shared paper
- Raymond Kim and Marisa Sit: 1 shared paper
- Derek Tsang and Hatem Krema: 1 shared paper
- Sareh Keshavarzi and Hatem Krema: 1 shared paper
- Hilary Racher and Filiberto Altomare: 1 shared paper
- Hilary Racher and Hatem Krema: 1 shared paper
- Ezra Hahn and Dan DeAngelis: 1 shared paper
- Ezra Hahn and Harmeet Gill: 1 shared paper
- Ezra Hahn and Nancy Tucker: 1 shared paper
- Ezra Hahn and Hugh McGowan: 1 shared paper
- John Waldron and Hatem Krema: 1 shared paper
- Barbara-Ann Millar and Dan DeAngelis: 1 shared paper
- Barbara-Ann Millar and Harmeet Gill: 1 shared paper
- Barbara-Ann Millar and Hatem Krema: 1 shared paper
- Barbara-Ann Millar and Nancy Tucker: 1 shared paper
- Derek Wong and Hatem Krema: 1 shared paper
- Christopher Hudson and Hatem Krema: 1 shared paper
- Filiberto Altomare and Rand Simpson: 1 shared paper
- Dan DeAngelis and Harmeet Gill: 1 shared paper
- Dan DeAngelis and Hatem Krema: 1 shared paper
- Harmeet Gill and Hatem Krema: 1 shared paper
- Keyvan Koushan and Hatem Krema: 1 shared paper
- Keyvan Koushan and Marko Popovic: 1 shared paper
- Hatem Krema and Marisa Sit: 1 shared paper
- Hatem Krema and Herbert Tanzer: 1 shared paper
- Hatem Krema and Nancy Tucker: 1 shared paper
- Hatem Krema and Marko Popovic: 1 shared paper
- Herbert Tanzer and Hugh McGowan: 1 shared paper
- Herbert Tanzer and Rand Simpson: 1 shared paper
- Department of Ophthalmology
- Department of Radiation Oncology
- Department of Ophthalmology & Vision Sciences
- Department of Medicine
- Department of Anesthesiology and Pain Medicine
- Department of Medical Biophysics
- Department of Laboratory Medicine & Pathobiology
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Filiberto Altomare
Department of Ophthalmology
7 shared papers, latest 2024
Rand Simpson
Department of Ophthalmology
5 shared papers, latest 2017
David Payne
Department of Radiation Oncology
4 shared papers, latest 2017
Hugh McGowan
Department of Ophthalmology & Vision Sciences
3 shared papers, latest 2014
Caroline Chung
Radiation Oncology/Medical Physics
3 shared papers, latest 2017
Arjun Sahgal
Department of Radiation Oncology
2 shared papers, latest 2013
Ezra Hahn
Department of Radiation Oncology
2 shared papers, latest 2017
Sohel Somani
Department of Ophthalmology
1 shared papers, latest 2017
Herbert Tanzer
Department of Ophthalmology
1 shared papers, latest 2013
Nancy Tucker
Department of Ophthalmology & Vision Sciences
1 shared papers, latest 2014
Wai-Ching Lam
Department of Ophthalmology
1 shared papers, latest 2016
Marko Popovic
Department of Ophthalmology
1 shared papers, latest 2023
Marisa Sit
Department of Ophthalmology
1 shared papers, latest 2019
Trevor Pugh
Department of Medical Biophysics
1 shared papers, latest 2023
Raymond Kim
Department of Medicine
1 shared papers, latest 2019
Tracy Stockley
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2019
Derek Tsang
Department of Radiation Oncology
1 shared papers, latest 2023
Sareh Keshavarzi
Biostatistics Division
1 shared papers, latest 2023
Hilary Racher
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2023
Tony Tadic
Department of Radiation Oncology
1 shared papers, latest 2023
John Waldron
Department of Radiation Oncology
1 shared papers, latest 2017
Barbara-Ann Millar
Department of Radiation Oncology
1 shared papers, latest 2014
Derek Wong
Department of Anesthesiology and Pain Medicine
1 shared papers, latest 2023
Christopher Hudson
Department of Anesthesiology and Pain Medicine
1 shared papers, latest 2018
Dan DeAngelis
Department of Ophthalmology
1 shared papers, latest 2014
Harmeet Gill
Department of Ophthalmology
1 shared papers, latest 2014
Shereen Ezzat
Division of Applied Molecular Oncology
1 shared papers, latest 2019
Keyvan Koushan
Department of Ophthalmology
1 shared papers, latest 2023
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.