Sclerosing adenosis can present as architectural distortion on imaging, and is a great mimicker of carcinoma. thepathprincess.substack.com/p/sclerosing-a… It's all about finding those two cell layers.🔬 #pathology #pathologist #breastpath #pathX #PathTwitter

Comprehensive surgical pathology course, October 27-31, 2025

Happy Friday everyone! Her'e my answer to Breast Consult Case of the Week 1 #BCCW: The pathologist's question is: What is the nature of the apocrine proliferation. Is it atypical? Is it invasive? My answer: 1. I consider this atypical apocrine adenosis (AAA) and hyperplasia

The differential for architectural distortion includes Invasive Ductal Carcinoma, often with a desmoplastic reaction, and Radial Scar, which mimics malignancy. Read More Here: thepathprincess.substack.com/p/architectura… 🔬 #pathology #pathologist #breastpath #pathtwitter #pathX

Case of Complex Sclerosing Papillary Lesion 🔬 Radial sclerosing lesions may show papillary areas—and when they do, the line between “radial scar” and “sclerosed papilloma” can get blurred. #PathX #PathTwitter #breastpath

Happy Friday everyone! Let's discuss Breast Consult Case of the Week 2 #BCCW #breastpath #PathTwitter WashU Medicine Pathology & Immunology WashU Medicine Pathology & Immunology Education This is indeed an encapsulated papillary carcinoma with pseudoinvasion and pseudo-LVI. Papillary architecture, which essentially consists of

#DERMPATH Melanoma: from Clinical Presentation to Molecular Diagnosis (Dr. Philip E. LeBoit MD, Professor of Pathology and Dermatology Division Chief, UCSF Dermatopathology and Oral Pathology, UC San Francisco UCSF Pathology 🗓️ SEP 16, 2025 - 12:00 PM (ET, NYC)

Happy Saturday everyone! Let's discuss our Breast Consult Case of the Week 3 #BCCW #breastpath #PathTwitter Like everyone astutely pointed out, the diagnosis is adenomyoepithelioma (AME). Adenomyoepitheliomas are biphasic tumors of the breast, and they may encompass a variety

A lymphoepithelial lesion. (Pancytokeratin Immunostain). #PathX

Let’s review cribriform morphology 🍪 in breast pathology this week! Case of Collagenous Spherulosis 🔬 Bland myoepithelial cells baking up collagen balls 🧑‍🍳✨—looks like adenoid cystic carcinoma or ADH, but it’s a sweet mimic. 😇 #PathX #PathTwitter #breastpath

#pathCastLATAM3 Join us LIVE with Dr. Vania Nosé, MD, PhD (UTSouthwestern, Dallas) on thyroid tumors linked to familial syndromes (FAP, PTEN, DICER1) in Portuguese 📅 Sept 23, 2025 | 🕛 12 PM EST (UTC-5) 📍 Facebook & YouTube: /pathCast #Pathology #MedicalEducation #pathCastLATAM

Case of Cribriform DCIS 🍪🔬 Epithelial cells with low-to-intermediate nuclear grade atypia filling ducts with rigid bridges 🌉 around punched-out lumina 🔘. 🪄 p63 highlights intact myoepithelial cells at the periphery. #PathX #PathTwitter #breastpath

Case of Invasive Cribriform Carcinoma 🍪🔬 Well-formed cribriform glands with infiltrative growth + necrosis 💀, but 🙅 no peripheral myoepithelial staining Looks deceptively 🥷 like DCIS—yet the haphazard, permeative pattern is the key 🔑 clue. #PathX #PathTwitter #breastpath

Mucin pools and a pushing, smooth border. thepathprincess.substack.com/p/mucinous-col… It's the look of mucinous carcinoma. 🔬 #pathology #pathologist #breastpath #pathX #pathtwitter

Happy Tuesday everyone! Let's jump right into Breast Consult Case of the Week 5 #BCCW #breastpath This is a 50 year old patient with non mass enhancement on MR. What is the referring pathologist's question? What is your answer? Different images from different cores.

Case of Myxoid Myofibroblastoma 🪼🔬 Spindly bland cells adrift amidst a myxoid sea 🌊—a mimic of more omnious entities until stains (CD34, desmin, ER, and Rb1) set the record straight. #PathX #PathTwitter #breastpath

Let’s review sclerotic and fibrotic 🗿 lesions of the breast Case of Adenomyoepithelioma 🔬 Biphasic proliferation of epithelial + myoepithelial cells with anastomosing sclerosis. #PathX #PathTwitter #breastpath

Welcome to Breast Consult Case of the Week 6! #BCCW6 #breastpath Some diagnoses decidedly follow me everywhere I go. Or I may just be overdiagnosing them :) This patient has an invasive ductal carcinoma, grade 1/3, at another location in the same breast. The consulting

Adenomyoepithelioma in core needle biopsy mandates surgical excision regardless of atypia Close morphologic similarity to intraductal papilloma Dr. Brogi- Contemporary Issues in Breast Pathology #USCAP #pathology #PathX

Happy Monday everyone! Discussing Breast Consult Case of the Week 7 #BCCW7 #breastpath. Honestly, I thought this was going to be a little more controversial, but you guys are just too good. The point of this case was to show how CK5/6 can be misleading and why it should be