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Tuesday, November 10, 2026, 1:00 PM-2 PM ET
Join us for a session to help improve diagnostic accuracy in your practice when scoring HER2 IHC 0 with faint, incomplete membrane staining in ≤10% of tumor cells vs IHC 0 with no membrane staining detected in patients with mBC.

Webinar presenter Samuel Caughron, MD, FCAP, Chief Strategy Officer, MAWD Pathology, Medical Director of Laboratory, AdventHealth Kansas City, Medical Director of Laboratory, Labcorp, President, Member & Director, Pathology Ventures, LLC

CAP TODAY does not endorse any of the products or services named within. This program is intended for US healthcare professionals. This program is being sponsored by AstraZeneca. The speaker is being compensated for the presentation. The program is not CME accredited and may not be used for CME accreditation.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

Monday, November 16, 2026, 12:30 PM-2 PM ET
Hear experts discuss a multidisciplinary approach to oncopathology for HER2
assessments for solid tumors in the absence of a companion diagnostic.

Webinar presenters Funda Meric-Bernstam, MD, Chair, Department of Investigational Cancer Therapeutics Medical Director, Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas, and Emina E. Torlakovic, MD, PhD, College of Medicine, University of Saskatchewan, Canadian Biomarker Quality Assurance, Saskatoon, Saskatchewan, Canada, and Carol Cheung, MD, PhD, JD, FRCPC, Deputy Director, Canadian Biomarker Quality, Assurance—Programme canadien d’assurance de la qualité des biomarqueurs

CAP TODAY does not endorse any of the products or services named within. This program is being sponsored by Daiichi Sankyo, Inc. and AstraZeneca. The speaker is being compensated for the presentation. The program is not CME accredited and may not be used for CME accreditation.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

Wednesday, November 18, 2026, 12:00 PM-1 PM ET
Join leading pathology experts, Savitri Krishnamurthy, MD, and Marilyn Bui, MD, PhD, for a webinar exploring potential challenges in HER2 IHC testing for breast cancer, emerging evidence supporting digital and computational pathology as assistive tools for pathologists in HER2 IHC assessment, and practical considerations for real-world implementation and adoption.

Webinar presenters Savitri Krishnamurthy, MD, Professor of Pathology, Department of Anatomical Pathology The University of Texas MD Anderson Cancer Center, Houston, Texas, and Marilyn Bui, MD, PhD, Surgical Pathologist and Cytopathologist Member and Professor, Departments of Pathology, Machine Learning, and Translational Pathology, Scientific Director, Analytic Microscopy Core Chair, Women in Oncology Executive Board Moffitt Cancer Center, Tampa, Florida

CAP TODAY does not endorse any of the products or services named within. This program is being sponsored by Daiichi Sankyo, Inc. and AstraZeneca. The speakers are being compensated for their presentations. The program is not CME accredited and may not be used for CME credit.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

Wednesday, December 9, 2026, 12 PM-1 PM ET
Hear an expert pathologist discuss the role of HER2 IHC testing and scoring in solid tumors including endometrial, ovarian, cervical, bladder, non-small cell lung, colorectal, and biliary cancers

Webinar presenter Michelle Shiller, DO, MSPT, Baylor Sammons Cancer Center; Fulgent Genetics; Texas Cancer Interception Institute

CAP TODAY does not endorse any of the products or services named within. This program is intended for US healthcare professionals. This program is being sponsored by AstraZeneca. The speaker is being compensated for the presentation. The program is not CME accredited and may not be used for CME accreditation.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

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Pathology

New forensic pathology book offers best of all others

October 2025—CAP Publications has released its newest book, Forensic Pathology: Principles and Pitfalls. It comes more than 20 years after the second edition of the CAP Handbook of Forensic Pathology was published. The book’s more than 900 pages comprise 36 chapters written by 57 contributors. CAP TODAY asked the following questions of the editors—Joseph Prahlow, MD, and Erin Brooks, MD—who led the publication of the comprehensive update.

Layers of evaluation in thyroid carcinoma diagnosis

September 2025—In a CAP session last year on timely topics in thyroid tumors, Zubair W. Baloch, MD, PhD, shed light on poorly differentiated and differentiated high-grade follicular-derived carcinomas. “This is something new in the WHO 5th edition of the thyroid tumor classification scheme, and I think it’s about time that we have a different category and not really split them too much,” said Dr. Baloch, an editor and author of the 5th edition of the WHO Classification of Endocrine and Neuroendocrine Tumors. Why the category is new and what to know was part of the timely topics session, for which he paired up with Nikolina Dioufa, MD, PhD, MSc, who spoke about noninvasive follicular thyroid neoplasm with papillary-like nuclear features and follicular variant of papillary thyroid carcinoma.

The fine points of NIFTP interpretation

August 2025—The noninvasive follicular thyroid neoplasm with papillary-like nuclear features, or NIFTP, is an entity that was introduced nearly a decade ago. It’s a lesion no longer considered malignant and instead grouped with more indolent lesions, owing to its observed indolent clinical behavior.

Study reveals extrachromosomal DNA’s impact

August 2025—Detection of extrachromosomal DNA in a tumor was found in a study published late last year to be associated with tumor stage, more prevalent after targeted and cytotoxic therapy, and associated with metastases and shorter overall survival.

Familiar but newer: ICI-associated colitis

July 2025—For all the words that have been devoted to the topic of how to meditate, the path to enlightenment can be disarmingly simple: start by noticing. Likewise, there is a fairly simple set of instructions for untangling one of the vexing problems associated with immune checkpoint inhibitors. Though the drugs can create impressive antitumor response, they can also lead to immune-related adverse events (known as irAEs), including colitis and gastritis, which manifest as histologic changes that can be seen in both the upper and lower gastrointestinal tract. Left unaddressed, severe reactions can disrupt treatment. It’s complicated. And it’s not. The first step, says Raul S. Gonzalez, MD, professor of pathology and laboratory medicine and director of the gastrointestinal pathology service, Emory University School of Medicine, is cultivating a certain mindfulness. “We need to have knowledge that checkpoint inhibitors can cause immune-related adverse events such as gastritis and colitis, to be aware that these things happen,” says Dr. Gonzalez.

Pathology student interest groups—what makes them work

July 2025—Seventy-eight percent of those responding to a survey said their institutions have a pathology student interest group, and they said the most effective ways to engage and retain students are hosting regular events; providing mentorship, leadership, and shadowing opportunities; and offering participation incentives. Using social media and online platforms was reported to be less effective. “A surprise in the findings was the student respondents’ desire to have more faculty engagement. So while students may want to start an interest group and are engaged, they have a hard time getting these off the ground if they don’t have faculty support,” says coauthor Kalisha Hill, MD, MBA. “We’re finding that when the faculty are engaged with these student interest groups, they are much more successful.”

Breast HER2 FISH groups 2 and 4: study of excision specimens

June 2025—The authors of a recently published study suggest repeating HER2 testing on the excision specimen for the small number of breast cancer biopsies with group two and group four FISH results. The aim of their study was to determine if FISH group two and group four cases change HER2 status after repeated testing on additional specimens.

A pathologist’s reflections after visiting a zipper factory

June 2025—Some years back, I flew south from New England, where I work as an academic cytopathologist, to North Carolina. My destination was an academic medical center where I was to give a talk on fine-needle aspiration biopsies. On my drive from the airport, I detoured to a small city that housed a company that manufactures zippers. There, on the factory floor, I watched newly made zippers exiting from rows of heavy steel machines. I asked myself: How is that like what we do as pathologists?

Taking on low, ultralow HER2 breast cancer

May 2025—Since the hunt began to identify low levels of HER2 in metastatic breast cancers, the action has revealed itself like the plot of a Henry James novel: Nothing much happens. Also, a lot happens. And each narrative thread is conveyed in hard-to-parse language. The goal has been to qualify patients for the antibody-drug conjugate trastuzumab deruxtecan (T-DXd), which was shown in the Destiny-Breast04 trial to significantly improve survival in so-called HER2-low cases. Immunohistochemistry assays were designed to identify strongly positive cases, however, and thus not useful for those at the 0 and 1+ end of the spectrum. Now, several years after the presentation of the D-B04 results at the ASCO 2022 annual meeting, which launched the low-end ship, pathologists and oncologists are adjusting to the implications of the most recent Destiny trial, D-B06. In late January, the FDA approved the drug Enhertu for HER2-low or HER2-ultralow cases, as well as the Ventana Pathway HER2 (4B5) companion diagnostic for assessing these lower levels of HER2 in patients with metastatic breast cancer.