Anisonucleosis and macronucleoli are unsusual but can be observed in neuroendocrine tumors (NETs), such as this FNA from the liver of a patient with a known tubular GI primary.

Nice example of decoy cell.

Colonic polypectomy. Colleague's 2nd opinion case. Bottom right marks the head of polyp. No signet ring cells beyond the smooth muscle fibres of the muscularis mucosae. Is that a malignant cell in an intramucosal lymphatic? How would you report this? #GIpath #pathology #pathX

This hepatic explant shows cirrhosis. The etiology is apparent on the PAS/D stain - alpha 1 anti-trypsin deficiency.

Back to some basics. Leiomyosarcomas are amongst the sarcoma types that spread to lymph nodes, a phenomenon that is interesting to see.

📣 Each month, our team of screening judges selects a standout tweet from the trainee category for the #PathTweetAward. 📅 For June 2025, the winner is: 🏆 Muhammad Hussain, MD 👏 Congratulations on making an impact across #PathTwitter!

Beware the wolf in sheep's clothes. UDH-like DCIS. #breastpath #PathTwitter

EOSINOPHILS! Please remember that they’re NOT the expected red/orange on a Pap stain!!

Case of Tubular Adenoma of Breast🔬 Tubular adenoma of breast is a benign mass composed of densely-packed round ductules with limited intervening stroma. No relation to the colon! #PathX #PathTwitter #breastpath

Potpourri of Post Tx infections!! CMV, BKV, Mucor &Candida!! Add images of infections you come across, in comments!! #RenalBiopsy #NephTwitter #PathTwitter #RenalPathSociety #AskRenal #ISRTP #RenalPathLabsGurugram #PostTxInfections #PoojaMaheshwari

Some nice examples of severe tubulitis in this case of ACR 1B. Interestingly bx for new de novo DSA with with stable allograft function (~1 year post txp). No significant MVI. #renalpath #nephrology #PathTwitter

Ovarian mass😵‍💫 Grossognosis ?? Kalyani Bambal Kenny De Gracia T. Kathryn Lindsey Leon Metlay Andrew Bellizzi 🇺🇦 Mireille Bitar, M.D. Aditya Agnihotri 🇮🇳 Jared T. Ahrendsen MD, PhD (AP/NP/FP) Dan Graham Olaleke Folaranmi Gloria Sura, MD Charlie Herndon Craig Horbinski Jay "Thymocyte" Hwang Padma Priya J Leon Metlay Sanjay Mukhopadhyay 🔬following🙌🏻

Master the art of diagnosing pancreatic neuroendocrine neoplasms from even the scarcest biopsy samples! This practical guide helps pathologists make every cell count - combining morphology, IHC, and molecular tools for real-world challenges. link.springer.com/article/10.100…

Typical example of an intravascular papillary endothelial hyperplasia (IPEH), also known as Masson tumor. ~ Benign intravascular endothelial proliferation composed of numerous papillary structures within vascular spaces ~ #softtissuepath #vasculartumors #pathX #PathResident

Hi #pathtwitter Sorry I have been absent, but I have moved jobs! I am now working in Perth, Australia for Pathwest and (soon for) UWA (as A/Prof). Will get back to posting soon, in the meantime, here is an interesting colleague's case. #GIpath #Endopath #Pathresidents

#PathTwitter pics from cervical section in a 44/F. TAH + BSO done for fibroid. For your valuable opinion. Dr. Luca Lorand Kis Vasudev Prabhu🇮🇳 Santosh Menon Padma Priya J Dr. Pinakin Kaushik (MD Dip.RCPath) Ritu Gupta, MD Venkatesh Dhanasekaran Ankur Sangoi Anupama Arya Olaleke Folaranmi Arvind Khanijo

Bladder amyloidoma - Rare but striking! Look for: 🔹 Amorphous eosinophilic deposits 🔹 Subepithelial localization 🔹 Apple-green birefringence on Congo red under polarized light 🔹 Often mimics urothelial carcinoma clinically and radiologically #Uropathology #GUPath #Amyloidosis

Look at this peripheral blood smear and tell me what organ is missing! 📸 ASH image bank

What would be your leading diagnosis in a patient with elevated ACE levels and hilar lymphadenopathy? #DiagnoseThis #pathology #kidneypath #pathX #renalX

A rare diagnosis to attract- ❄️Thyroid like cholangiocarcinoma with LCNEC ❄️ Archana bhat Anju Pandey Andrew Bellizzi 🇺🇦 Educational Pathology Tweet Award Jared T. Ahrendsen MD, PhD (AP/NP/FP) Aditya Agnihotri 🇮🇳 Kalyani Bambal Craig Horbinski Dan Graham Kenny De Gracia T. Charlie Herndon Olaleke Folaranmi Vikram Deshpande Dr. Mariam H. Hameed 🎯🔬🙇🙇‍♀️💭