Sean R Williamson MD

Genitourinary Pathologist, Vice Chair Education @ClevelandClinic, Editor in Chief @IJSPjournal; interests #GUPath #kidneycancer, publishing, education

[João Lobo @JoaoPedroLobo89]

Happy to present an abstract @ASCO 2026 on our experience with #microRNA testing at the Department of #Pathology of @IPOPorto for #testicularcancer patients! #pathtwitter @ESP_Pathology @ERN_eUROGEN @ICBAS_UPorto @MaGIC_GCT @IntSocUropath @YAUpenile_tesCa @GU_Path_Society

[Michelle_Hirsch (Donovan) @MichelleDunno17]

Now in press in Virchows Archiv-->Multi-institutional cohort of 18 renal tumors, uniquely ALL with proven FLCN biallelic inactivation -> morphology, molecular, IHC, and clinical follow-up.🔬
@ESP_Pathology @GU_Path_Society @IntSocUropath
#kidneycancer
#BHD #birthoggdube #gupath

[Int J Surg Pathol @IJSPjournal]

Can you recognize the underlying pathology in this colectomy from a patient with longstanding constipation?
It's easy to overlook findings w/ important clinical impact in benign surgical specimens
��🏼Check out IJSP 📜read of the day
https://t.co/hCUS8VxZ4W

#GIPath #PathTwitter

[Cleveland Clinic Pathology Residency @CCFPathRes]

Celebrating the years of service of our wonderful Clinical Pathology Associate Program Director, Dr. Theil. We are so grateful to have you, Dr. Theil — thank you for your leadership, mentorship, and dedication to our program!

[Laura Bukavina @LauraBukavinaMD]

Come see us at @CleClinicUro booth #1551 at #aua26 and maybe some familiar faces @JaneNguyen44

[International Society of Urological Pathology @IntSocUropath]

2026 ISUP Stockholm Multidisciplinary Consensus Conference on Precision Biomarker Testing in Bladder and Prostate Cancer #ISUPStockholm2026 🇸🇪

📅 12 Sept 2026, immediately preceding @ESP_Pathology #ECPCongress

Register: https://t.co/aNukOwXG6s

[Busra YAPRAK BAYRAK @byrk_bsr]

Large Turkish cohort:p63&TRPS1 are frequently lost in plasmacytoid UCa, while HER2 exp in a subset may offer therapeutic potential in the ADC era.
@dokemal
@LiangChengMD
#mahmutakgul
https://t.co/ZTIMOSX7kf
@Histo_Journal
@IntSocUropath
@GU_Path_Society
@BWHPath @MGBpathology

[Ting Zhao, MD @TingZhaoPathdoc]

50s M, testicular mass. Diagnosis? Gross photo in the chat.
#PathTwitter #PathX
@MGHPathology @MGBpathology

[Jason Brown @JasonBrownMDPhD]

As we gear up for ASCO, I shared a summary of key urothelial cancer studies from GU ASCO a few months ago, including EV-304 and implications for the field in the future https://t.co/ue9V8Vl7Yj

[Ankur Sangoi @slusagar]

when the lab comes to deliver a big stack of special/IHC stains and none of your cases are in there

[Laura Bukavina @LauraBukavinaMD]

Cleveland @BladderCancerUS walk 2026 supporting our incredible patients 🙏 who along with @CleClinicUro @caseurology show up 🌧️ or ❄️.. special thank you to all the partners @ImmunityBio @ferring @JNJInnovation @AstraZeneca @NateraGenetics @PhotocureASA @UroGenPharma and many others for another successful year

[João Lobo @JoaoPedroLobo89]

So happy that this one is out!💪check our latest work on #testicularcancer published @AJSPjournal! #pathtwitter @Andres_M_Acosta @IntSocUropath @GU_Path_Society @ESP_Pathology @TheUSCAP @Uroweb @YAUpenile_tesCa @IPOPorto @ICBAS_UPorto @TCSociety @myESMO

https://t.co/N3Z2MOnJlU

[Cleveland Clinic Pathology Residency @CCFPathRes]

Happy Lab Week!
To our amazing pathology residents and our exceptional program director, Dr. Chute, thank you for all that you do!
#LabWeek #Pathology

[Karen Fritchie @KarenFritchieMD]

Less than 4 weeks to our 3rd annual Cleveland Clinic Soft Tissue Pathology Course May 14-17!!! 150 NEW digital cases in an interactive slide-based format. In person and VIRTUAL option. Lectures available on demand for at least 6 months!!! Register now!!! https://t.co/ZWPev1Ifzs @Williamson_SR @RAlaghehbandan @Janiranavarro @JaneNguyen44 @ScottBikeethan @CCFPathRes @CLEClinicLabs #bst #pathtwitter #path #softtissue

[Brown Pathology and Laboratory Medicine @BrownPathology]

🚨Now accepting applications! 🚨

The Genitourinary Pathology Fellowship Program at @brownpathology and @BrownUnivHealth has openings for July 2026 and July 2027.

Come hone your diagnostic skills at a leading, high volume academic center, where you will have tremendous opportunities to learn cutting-edge genitourinary pathology (#GUPath). Successful applicants will benefit from direct personalized instruction by internationally renowned experts at the forefront of the field (including Dr. Liang Cheng (@LiangChengMD), Dr. Ali Amin, and many others).

Substantial opportunities also exist for research (basic, translational, and clinical), both within the vibrant academic @BrownPathology community, as well as other Brown-affiliated institutions through multidisciplinary collaboration.

To learn more, see: https://t.co/JHwFTON5hl

If you (or anyone you know) has interest, please feel free to message this Twitter account, or the program coordinator, Maria Cardone ([email protected]).

Look forward to hearing from you!

#GUpath #Pathresidents #Pathtwitter

[Natasha Rekhtman MD PhD @natasharekhtman]

1/ Just out in @ModernPathology

New study from our group: A distinct variant of aggressive lung carcinoma with peculiar pathologic features.

We called these tumors “SAGA” (solid and granular adenocarcinoma) .. sorting them out was in fact a long and winding saga that led to some unexpected insights. 👇
https://t.co/b8gTMZqFRK
https://t.co/meFMjkN28B

[Raza Hoda, MD @RazaHoda]

Biopsy Marker Gel 🫧🔬

Amorphous extracellular material employed during needle core biopsy to help prevent clip migration.

#PathX #PathTwitter #breastpath #PathArt

[Sean R Williamson MD @Williamson_SR]

@slusagar I had this the other day.. Checked with the person on the other service because I was worried they got a 30 slide prostate for every 2-5 slide bladder that I got 😅

[Ankur Sangoi @slusagar]

can’t believe this was 25th Grawitz #GUpath dinner at this year’s #USCAP2026 meeting!

great fun reconnecting with friends & colleagues!

@RobHumbleMD apologies in advance - no idea what my go-go gadget right arm is doing…I feel like I should buy you dinner or something first😅

[Sean R Williamson MD @Williamson_SR]

@slusagar 😂