2026 ISSVD update terminology for Vulvar Intraepithelial Neoplasia and Squamous Intraepithelial Lesions

Why This Update Matters

Over the last several years, advances in pathology, molecular diagnostics, and our understanding of HPV-associated and HPV-independent disease pathways have revealed the need for a more consistent and biologically meaningful classification system.

The new ISSVD terminology:

  • Classifies disease according to HPV-associated (HPVa) and HPV-independent (HPVi) pathways
  • Establishes p16 and p53 immunohistochemistry as essential tools for accurate classification
  • Aligns terminology with contemporary evidence and the evolving WHO framework
  • Improves communication between clinicians, pathologists, researchers, and patients
  • Supports more accurate risk assessment and treatment planning

Lees het hele artikel hier: ajog.org/article/S0002-9378(26)00290-5/fulltext

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