@ezrahahn

Radiation Oncologist @pmcancercentre @UofTDRO. Specializing in #headandneck cancer, H&N #sarcoma, and #breastcancer, #hncsm #scmsm #bcsm. Views are my own.

Joined April 2012
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  • Following172
  • Followers422
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💡New publication from #RMPatPM by RMP Fellow Alexander Rühle, Shao Hui (Sophie) Huang, and colleagues in @RO_GreenJournal analyzes de novo metastatic head and neck cancer treatment and outcomes. 🔗: doi.org/10.1016/j.radonc.202…
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➡️ Hot off the press in @RO_GreenJournal: Metastatic patterns, outcomes, and prognostic factors in de novo metastatic head and neck cancer by tumor HPV status thegreenjournal.com/article/…
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Replying to @RuehleAlex @PMResearch_UHN @UofTDRO
Thanks to Dr. @ezrahahn, Shao Hui Huang and Dr. Brian O'Sullivan for their great support with this project. @Dr_AliHosni @CJTsaiMDPhD @ScottBratman @DrJohndeAlmeida @YaoCMKL @pmcancercentre
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🔥 Hot off the press: "Prognostic Value of Impaired Vocal Cord Mobility in T2N0 Glottic Cancer Treated With IMRT" ➡️In T2N0 glottic cancer, impaired vocal cord mobility is associated with worse LRF (aHR 3.7) and DFS (aHR 2.7) doi.org/10.1002/lary.70424 @PMResearch_UHN @UofTDRO
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We are excited to welcome our three newest Radiation Oncology Fellows for 2026, who have recently joined @UofTDRO! Learn more about them: uoft.me/utdro-fellow-2026 @bambam1306 @ldawsonmd
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I am honoured to step into the role of @UHN Executive AI Scientific Director and Co-Director of the @UHNAIHUB. This is a major opportunity to accelerate how we bring responsible, transparent and effective AI into patient care, research, education and operations across UHN.
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Ezra Hahn retweeted
James Mirtle
@mirtle2 Nov 2025
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Congratulations to Dr. David Kirsch @DKirschMDPhD from @UHN’s @pmcancercentre on his election to the @theNAMedicine — one of the highest honours in health & medicine. His research is advancing care for people with sarcoma worldwide. Read more: uhnresearch.ca/news/top-hono… #NAMmtg
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Led by fellow Dr. John Matthew & supervised by Dr. Phil Wong, our group examined risk factors and survival impact of severe radiation-related late toxicities in head and neck cancer–a cohort study. @LancetRH_Americ sciencedirect.com/science/ar…
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👋Congrats on this comprehensive guideline, a tremendous global effort! Primary target volume delineation for radiotherapy in nasopharyngeal carcinoma: CSTRO, CACA, CSCO, HNCIG, ESTRO, and ASTRO guidelines and contouring atlas - The Lancet Oncology thelancet.com/journals/lanon…
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This is BIG in the literal sense… Massive effort bringing together FIFTY #HeadNeckCancer experts to debate and share their concepts to delineate #Radiotherapy targets for #NasopharynxCancer #NPC So much that @TheLancetOncol had to publish the whole series as 2 separate articles 😂 - Primary and Neck Key resource for every Oncology residents @sueyom @Qle_stanford @imrtlee @lachiemcd @mikemejiamd @kiyota_naomi @ASTRO_org @ESTRO_RT
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Our Collaborative Centre for Clinical Research is leading the IA45 initiative with a goal that all clinical research studies can be activated in 45 days. Good for patients, good for research progress.
C. Jillian Tsai, MD, PhD@CJTsaiMDPhD25 Jul 2025
Replying to @CJTsaiMDPhD
👋👋👋Special shoutout to @UHN @UHN_Research THE PROTOCOL WAS ACTIVATED WITHIN 45 DAYS OF SUBMISSION, per the new IA45 pathway. The extreme dedication/efficiency of the whole team is unparalleled.
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We’re excited to kick off a new chapter this academic year by welcoming our five @UofTDRO #PGY1 residents - Victoria, @SagarGrewal4 , Caroline, Moudhi, and @Melissasamsoon! So happy to have you join the UTDRO family! @DrBezjakRO Learn more: uoft.me/utdro-PGY1-2025
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🚨📢🌟 CURB2 Ph3 Trial is activated by @NCICTEP_ClinRes (NCT06686771), built upon CURB Ph2 RCT @TheLancet/@MSKCancerCenter. Appreciate the support of @NRGonc/@SWOG/@CCTG. Pls contact us for activation at your local site❗️ @pmcancercentre @ldawsonmd @DrAlexLouie @HoudaBahig
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26 @UofT researchers awarded new or renewed #Canada Research Chairs—and one of them is T-CAIREM Infrastructure Co-Lead Benjamin Haibe-Kains (@bhaibeka)! utoronto.ca/celebrates/26-u-… #MedTwitter #AImedicine #AI #HealthAI #Healthcare #MedTech

26 U of T researchers awarded new or renewed Canada Research Chairs

Twenty-six faculty members from the University of Toronto have been awarded Canada Research Chairs in support of their research. Awarded by the Government of Canada, Canada Research Chair positions...

utoronto.ca
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It was an honor to receive from my friend, and health care advocate, MP Sonia Sidhu the Coronation Medal of King Charles III. The global impact in neurooncology for CNS tumours, we continue to achieve @Sunnybrook, reflects the entire team's dedication to our cancer patients. 🙏
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On Feb 4, 2025, the Varian Ethos 2.0 Adaptive Radiation Therapy platform went live, thanks to the dedicated efforts of RMP staff. Our team of Medical Physicists, Radiation Oncologists, and Radiation Therapists spent 4 months preparing for a safe launch for our first patients.
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Announcing the inaugural inductees into the Princess Margaret Hall of Fame! 🏆 These eight visionary clinicians have dedicated decades to advancing cancer care. (1/2)
(L to R): Drs. David McCready, Bernard Cummings, Donna Reece, Patrick Gullane, Frances Shepherd, Armand Keating, Gary Rodin, and Steven Gallinger.

ALT (L to R): Drs. David McCready, Bernard Cummings, Donna Reece, Patrick Gullane, Frances Shepherd, Armand Keating, Gary Rodin, and Steven Gallinger.

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ESMO announces @Philippe_Bedard as the recipient of the 2025 TAT Honorary Award for his outstanding contributions to advancing targeted anticancer therapies. He is the past chair of the #CCTG IND Committee and a valued CCTG investigator and collaborator. buff.ly/4hziVxf
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Congratulations Dr. @Philippe_Bedard @PMResearch_UHN on receiving @myESMO 2025 TAT Honorary Award, recognizing significant contributions to the discovery and development of #anticancer medicines!
CCTG@CDNCancerTrials18 Feb 2025
ESMO announces @Philippe_Bedard as the recipient of the 2025 TAT Honorary Award for his outstanding contributions to advancing targeted anticancer therapies. He is the past chair of the #CCTG IND Committee and a valued CCTG investigator and collaborator. buff.ly/4hziVxf
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