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Webinars and Sponsored Roundtables — Register Now

Thursday, October 29, 2026, 1 PM-2 PM ET
Hear an expert discuss the evolving role of PD-L1 testing in HNSCC and ovarian cancer.

Webinar presenter Georgios Deftereos, MD, Professor of Pathology, Associate Director of the Clinical Cancer Genomics Laboratory, Director of Molecular Cytopathology, University of California, San Francisco

CAP TODAY does not endorse any of the products or services named within. The webinar is made possible by a special educational grant from Agilent.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

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Tuesday, November 3, 2026, 1 PM-2 PM ET
Hear an expert discuss the challenges of detecting NRG1 fusions and how RNA-based testing can support more comprehensive fusion identification in clinical practice.

Webinar presenter Benjamin Weinberg, MD, Associate Professor of Medicine and Attending Physician
specializing in gastrointestinal medical oncology

CAP TODAY does not endorse any of the products or services named within. The webinar is made possible by a special educational grant from Diaceutics.

Moderated by: Bob McGonnagle, Publisher, CAP TODAY

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Tuesday, November 10, 2026, 1 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 Jeffrey Gregg, MD, University of Nevada

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

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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

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Abstracts

Molecular pathology selected abstracts

December 2023—Immune checkpoint blockade therapy has dramatically altered treatment options for a variety of cancers. A high tumor mutation burden (TMB) is considered one of the strongest predictors of immune checkpoint blockade response. DNA mismatch repair deficiency (MMRd) is associated with a high TMB, and many tumors associated with MMRd have shown excellent response to immunotherapy. However, most MMRd tumors do not show durable response to treatment with immune checkpoint blockade (ICB). Intratumor heterogeneity may further mediate response to ICB therapy.

Clinical pathology selected abstracts

November 2023—Among the many reasons unnecessary laboratory tests are ordered in a hospital are preselected orders on order sets, clinician habits, and trainee concerns. Laboratory tests are among the highest volume procedures performed in inpatient hospital care. Excessive use of these tests can lead to patient discomfort as a result of unnecessary phlebotomy and contribute to iatrogenic anemia and increased risk of bloodstream infections. It can also contribute to the rising cost of medical care. Many laboratory stewardship programs have been developed to improve how clinicians order and use lab tests.

Anatomic pathology selected abstracts

November 2023—Claudin-4 is a sensitive and specific marker for carcinoma in effusion cytology. The authors examined the diagnostic use of claudin-4 versus MOC-31 and Ber-EP4 by comparing their sensitivity, specificity, positive predictive value, and negative predictive value in differentiating carcinoma from mesothelioma and benign/mesothelial hyperplasia in effusion specimens. They conducted a retrospective study on a cohort of 229 cytology specimens, including 211 effusion fluid and 18 fine-needle aspiration specimens. The cytologic categories included 134 carcinoma, 28 mesothelioma, 46 indefinite (suspicious and atypical), and 21 benign.

Molecular pathology selected abstracts

November 2023—Dilated cardiomyopathy is characterized by dilation and weakening of one or both ventricles combined with impaired contractility. Although several external etiologies are associated with dilated cardiomyopathy (DCM), a familial form (comprising about half the known cases of DCM) has symptoms that tend to arise in mid-adulthood. Despite the genetic nature of the familial form, little is known about the genetic profile of the disease. Black patients have an increased familial risk of DCM and often have a worse prognosis. The authors conducted a study in which they used genomic ancestry to compare the rare variant genetic architecture of DCM within a diverse patient population.

Clinical pathology selected abstracts

October 2023—Several large randomized controlled trials have shown the safety of tolerating hemoglobin levels as low as 7 g/dL in critically ill hemodynamically stable children. These trials have led to recent guidelines advocating for restrictive transfusion therapy, which is significantly changing practices in pediatric critical care.

Anatomic pathology selected abstracts

October 2023—Special AT-rich sequence-binding protein 2, or SATB2, induces local chromatin loops to facilitate transcription. SATB2 immunostaining is commonly used as a marker for colorectal adenocarcinoma and osteosarcoma. The authors conducted a study to better understand the prevalence and diagnostic value of SATB2 expression in cancer by analyzing a comprehensive set of human tumors. SATB2 expression was analyzed in 15,012 tissue samples from 120 tumor types and subtypes and 608 samples from 76 nonneoplastic tissue types using IHC in a tissue microarray format. SATB2 positivity was found in 89 of the 120 (74 percent) tumor types—59 of the 120 (49 percent) had at least one moderately positive tumor and 38 of the 120 (32 percent) had at least one strongly positive tumor.

Molecular pathology selected abstracts

October 2023—Ovarian cancer is the eighth most common cancer in women. There are several histological types of ovarian neoplasms, and all rank among the deadliest gynecological cancers. However, those with homologous recombination deficiency (HRD) may benefit from a recently discovered category of drugs, called poly ADP-ribose polymerase inhibitors (PARPi). The homologous recombination repair pathway, which is responsible for repairing double-strand DNA damage, involves several genes, including BRCA1, BRCA2, and ATM. People with germline or somatic deleterious alterations of these genes are at higher risk of certain malignancies, such as ovarian, breast, prostate, and pancreatic cancers.

Clinical pathology selected abstracts

September 2023—Approximately 30 percent of U.S. employees report that they have been bullied in the workplace, and these numbers are even higher for remote workers. Bullying is defined as any act or situation in which someone is subjected to recurrent, systematic, serious negative or hostile behavior and long-lasting acts designed to oppress or abuse another person. This behavior may include belittling, humiliating, personally attacking, verbally criticizing, or intentionally excluding a coworker. Bullying can harm both the target of the attack and the organization that employs the bully and the targeted person. The potential negative effects on an organization can be high staff turnover, a decrease in employee performance and productivity, and an increase in errors and medical mistakes.

Anatomic pathology selected abstracts

September 2023—Understanding of the pathologic and molecular features of endometrial cancer has advanced measurably since the FIGO (International Federation of Gynecology and Obstetrics) staging system was updated in 2009. New treatments, results of clinical trials, and prognostic survival data that correlate with pathologic and surgical findings have been reported. Therefore, the FIGO Committee on Women’s Cancer determined that changes to the FIGO system were necessary. The goals of the revised staging system are to further clarify the diverse biologic nature of endometrial carcinomas with differing prognostic outcomes, better define the prognostic groups, and create substages that yield more appropriate surgical, radiation, and systemic therapies. The cancer committee developed a subcommittee on endometrial cancer staging in October 2021, of which the authors are members.

Molecular pathology selected abstracts

September 2023—Neurodegenerative diseases are a broad group of disorders characterized by progressive loss of nerve cells in the central or peripheral nervous system. These diseases are often chronic and incurable, with symptoms ranging from cognitive decline to motor or sensory dysfunction. There are many types of neurodegenerative diseases, with various underlying etiologies. One group of diseases, the synucleinopathies, are associated with the misfolding and aggregation of the protein α-synuclein. This group includes disease entities such as Parkinson disease, dementia with Lewy bodies, and multiple-system atrophy.

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