Germline Multigene Panel Testing in Women With Invasive Lobular Cancer - Report - MDSpire

Germline Multigene Panel Testing in Women With Invasive Lobular Cancer

  • By

  • Giovanni Corso

  • Elena Marino

  • Francesca Fava

  • Fabrizio Natali

  • Paolo Peterlongo

  • Matteo Dal Molin

  • Irene Feroce

  • Cristina Zanzottera

  • Giulia Massari

  • Susanna Di Silvestre

  • Micol Moscatiello

  • Andrea Franceschini

  • Vincenzo Bagnardi

  • Giuseppe Curigliano

  • Bernardo Bonanni

  • Paolo Veronesi

  • Francesco Bertolini

  • July 8, 2026

  • 0 min

Share

Clinical Report: Genetic Multigene Panel Analysis in Women Diagnosed with Invasive Lobular Carcinoma

Overview

This study evaluates the outcomes of germline pathogenic variants associated with increased breast cancer risk in women diagnosed with invasive lobular carcinoma (ILC) through multigene panel testing. It highlights the prevalence of variants in genes such as CDH1 and BRCA2.

Background

Invasive lobular carcinoma (ILC) is the second most common subtype of breast cancer, presenting unique challenges in detection and treatment. Understanding the genetic factors associated with ILC is crucial for developing personalized approaches to surveillance and therapy.

Data Highlights

This study analyzed 113 genes in a cohort of women diagnosed with primary ILC, focusing on the prevalence of germline pathogenic variants and their prognostic implications.

Key Findings

  • Germline pathogenic variants in CDH1 and BRCA2 were identified as conferring high risk for ILC.
  • CHEK2, ATM, and PALB2 were associated with moderate risk for ILC.
  • BRCA1 pathogenic variants were not significantly linked to ILC susceptibility.
  • CDH1 variants were more frequent in ILC compared to invasive ductal carcinoma.

Clinical Implications

Clinicians should consider the implications of identified germline variants.

Conclusion

This study evaluates the role of genetic multigene panel testing in understanding the risk factors associated with invasive lobular carcinoma.

Related Resources & Content

  1. Germline Multigene Panel Testing in Women With Invasive Lobular Cancer | Genetics and Genomics | JAMA Network Open, 2026 -- Genetic Multigene Panel Analysis in Women Diagnosed with Invasive Lobular Carcinoma
  2. ASCO and SSO Publish New Guideline on Germline Testing in Breast Cancer - The ASCO Post, 2024 -- Current guideline position on germline testing relevant to ILC
  3. NCCN Guidelines® Insights: Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate, Version 2.2026 - PubMed, 2026 -- Genetic testing and management principles for hereditary breast/ovarian/pancreatic/prostate cancer syndromes.
  4. The ASCO Post — Mutations in Five Genes Linked to Higher Lifetime Risks for Aggressive Breast Cancer Related Articles
  5. the asco post — Predicting Future Breast Cancer Outcomes: Efficacy of a Polygenic Risk Score
  6. The ASCO Post — Genetic Markers Associated With Pathologic Complete Response Identified in HER2-Positive Breast Cancer
  7. the asco post — Incidence of Invasive Lobular Carcinoma Rising Faster Than Other Breast Cancers
  8. Mutations in Five Genes Linked to Higher Lifetime Risks for Aggressive Breast Cancer Related Articles
  9. Predicting Future Breast Cancer Outcomes: Efficacy of a Polygenic Risk Score
  10. Genetic Markers Associated With Pathologic Complete Response Identified in HER2-Positive Breast Cancer
  11. ASCO and SSO Publish New Guideline on Germline Testing in Breast Cancer - The ASCO Post
  12. NCCN Guidelines® Insights: Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate, Version 2.2026 - PubMed
  13. Hereditary Diffuse Gastric Cancer (PDQ®) - NCI
  14. Germline Multigene Panel Testing in Women With Invasive Lobular Cancer | Genetics and Genomics | JAMA Network Open | JAMA Network
  15. Invasive lobular and ductal breast cancers: a systematic review and metanalysis in association with BRCA1/2 mutation status - PubMed
  16. Breast cancer germline multigene panel testing in mainstream oncology based on clinical–public health utility: ESMO Precision Oncology Working Group recommendations - ScienceDirect
  17. Genomic and epigenomic basis of breast invasive lobular carcinomas lacking CDH1 genetic alterations | npj Precision Oncology

Original Source(s)

Related Content