Katrina Collins, MD || Pathologist

From @paige_ai (now @TempusAI) & @MSFTResearch: End-to-end multimodal pathology foundation model with clinical dialogue nature.com/articles/s4159… PRISM2 is trained on 2.3 million whole-slide images & 14 million question−answer pairs derived from 700,000 pathology reports!

New in #HumPathol: ERBB2 Copy Number Alterations and Protein Expression in Bladder Cancer Treated by Cystectomy. sciencedirect.com/science/articl… #pathology #PathTwitter #PathX #gupath

#slidearchiveseries urothelial carcinoma, clear cell (glycogen-rich) #gupath #pathtwitter #pathoutpic 🎨 IHC profile similar to conventional urothelial carcinoma (GATA3, p63) ⚠️ distinguish from metastatic CCRCC and clear cell adenocarcinoma

Out in @EUplatinum 👋 IPD meta-analysis of five randomized trials involving >4500 pts ⏩ Although adverse pathological features after RP are associated with worse outcomes, their cumulative burden does not predict the benefit of adding ADT to postop RT sciencedirect.com/science/articl…

Clever Penn colleague Beth Furth pointed out a fascinating pattern of H. pylori ANTIGEN deposition (but not organisms) in germinal centers. Check out her article PMID: 32657781.

I am looking for cases of colorectal "invasive stratified mucin-producing carcinoma." This is analogous to the cervix lesion and is the invasive counterpart of SMILE. If you have a case, please contact me! Pics from PMC10585790 (free online) #pathology #PathTwitter #PathX #gipath

New article out now #AIMMhighlights ▶️ Aggressive CD34+ spindle cell sarcoma misdiagnosed as synovial sarcoma/FS-DFSP ▶️ Rapid progression despite chemotherapy required amputation ▶️ Pan-TRK IHC + NGS identified TPM3::NTRK1 fusion ▶️ Supports routine molecular confirmation

TROP2, Cyclin D1, and Ki-67 as Prognostic Markers of Aggressive Pituitary Adenoma ovid.com/10.1097/PAI.00…

Integrating Natural Language Processing With ChatGPT to Improve Quality of Artificial Intelligence Summaries of Prostate Cancer Consultations. Co-authored by @TimDaskivich. Read the full article. bit.ly/4yBUE2n #ProstateCancer #pcsm

🚀 Join us for our Journal Club Live Webinar Series! 📚 Articles #openaccess starting 7/27 👨🏻‍💻 Don't miss this opportunity to explore new research with us! #AIMMjc 🔗 journals.lww.com/appliedimmunoh… 🔗 journals.lww.com/appliedimmunoh… Register 👉🏻 @8ac76c91-e7f1-41ff-a89c-3553b2da2c17" target="_blank" rel="nofollow noopener">events.teams.microsoft.com/event/60930e77…

What is the clinical significance of detecting AR p.Thr878Ala (c.2632A>G) in metastatic prostatic adenocarcinoma? #PathTwitter #MolPath #GUpath @MGBpathology

🧩 Testis riddle 67-year-old man. GCNIS is absent. Is it a germ cell tumor? What is your concern? #DxMindMap #TestisPath #GUPath #PathTwitter @JHUpath

Going beyond conventional #IHCPath in renal tumor diagnosis. Barakzai et al. on the diagnostic value of GATA3, Cyclin D1, KRT20, and GLUT1 in renal neoplasms tinyurl.com/4ve8btnt E.g.GLUT1 diffusely+ in clear cell papillary RCT vs focally+ in papillary RCC #GUPath #PathTwitter

🔬 Collagenous micronodules aka Mucinous Fibroplasia • Distort acinar morphology. • Pathognomonic of prostatic carcinoma. • Shouldn’t alter assigned Gleason pattern (GP3 acini here)! #GUpath #PathX #PathTwitter #Pathology

middle aged M with penile mass, partial penectomy when #GUpath meets #GIpath: 🔬metastatic colonic adenoca (patient had hx)

Who missed the #gupath lecture from Dr. Seema Kaushal? Recorded lecture will remain available until the next monthly presenter, and then archived and available to members at isupweb.net @DrSeemaKaushal 📺 youtu.be/a5DwgMK4z5Y

🧩 Kidney riddle Is every renal tumor an RCC or AML? Before it was described, this entity could be quite scary. What is your diagnosis? #DxMindMap #Kidneytumor #GUPath #PathTwitter @JHUpath

🌍 Join leading international experts for the SEAUPS–ISUP Webinar! We look forward to seeing you online! 📅 25 Aug 2026 via Zoom
🕗 20:00 (UTC+7) | 06:00 (UTC−7)
 Register: bit.ly/SEAUPS-ISUP-20…

"Precision Pathology was launched to provide a dedicated platform for the rapid, disruptive advances in digital and computational pathology, multiplex tissue-based biomarker, liquid biopsy, and single-cell spatial multi-omics. Pathologist at the frontlines of precision health"