Skin lesion of a patient with hx of breast cancer s/p post-radiation: Angiosarcoma Infiltrative anastomosing vascular channels with endothelial atypia, preadnexal+perineural invasion. CD31+, ERG+, CK- #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology ISBP

Join us for an NYP-Columbia University Open House for prospective applicants featuring our many DEI initiatives! See you there on September 17, 2024, 6:30-8:00 pm ET!

Breast carcinoma invading Pacinian corpuscle. #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Universitypathres @Columbia ISBP

Congratulations to our breast team Columbia Pathology and @Columbiapathres Zhe (Jason) Zhu, MD for their hard work to have all our abstracts accepted to the USCAP Annual Meeting. Looking forward to seeing you all in Boston! #breastpath #pathresidents #pathtwitter ISBP

Beautifully delivered presentation from @kellykhunt Columbia Universitysurgury on “Advances and New Directions in the Treatment of Breast Cancer “ #oncsurgery#breastpath #pathtwitter Columbia Pathology @Columbia

FDA Approves Trastuzumab Deruxtecan for Pretreated HER2-Low and -Ultralow Metastatic Breast Cancer onclive.com/view/fda-appro… via @onclive

ADH involving fibroadenoma. #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Universitypathres @Columbia ISBP

Complex fibroadenoma with sclerosing adenosis. #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology @Columbiapathres ISBP

Exciting news for us Columbia Pathology starting tomorrow we will officially begin our digital sign-out. Our future is here.... Special thanks to Michael L Miller, MD, PhD for his efforts in driving this initiative. #PathTwitter #pathresdents #breastpath #digitalpathology Columbia University

Pulmonary artery intimal sarcoma: sheets of hypercellular atypical spindle and epithelioid tumor cells with increased mitotic activity. SATB2 + #pathresidents #pathtwitter Columbia Pathology Columbia Pathology Residency

Happy Match Day! We are so excited to announce our incoming PGY-1s! ✨ Welcome to the Pathology and Columbia communities! Congratulations to everyone on their match today. 🎉 #pathmatch2025 #match2025

Ductal carcinoma in situ (DCIS) with lobular cancerization and pagetoid growth pattern, E-cadherin exhibits intact membranous expression. #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Pathology Residency

Revising WHO diagnostic criteria for Malignant phyllodes tumours. doi.org/10.1111/his.15… #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Pathology Residency

The correct answer is Salivary gland-type breast cancer: Adenoid Cystic Carcinoma, Solid-basaloid type, a TNBC characterized by solid growth pattern with a basaloid appearance and a translocation resulting in an MYB::NFIB fusion gene and the overexpression of MYB.

Breast mass diagnosis? Confirmatory IHCs? #PathX #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Pathology Residency ISBP

The answer is Secretory Carcinoma: TNBC , composed of polygonal neoplastic cells with granular /vacuolated eosinophilic cytoplasm. ETV6::NTRK3 fusion gene, NTRK stain + #PathX #breastpath #pathresidents #pathtwitter #BreastPatholog1 Columbia Pathology Columbia Pathology Residency ISBP

doi.org/10.1016/j.hump… Check TRPS1 in normal breast duct, at the appropriate condition, it stains luminal cell weakly to moderately , not myoepithelial cell and stromal cells, just like ER, and check the full paper, we compared multiple TRPS1 antibodies and different protocols.