Molecular Pathology of Soft-tissue Neoplasms

Boju Pan1, Dong Ren2, Ghulam Rasool3

  • 1Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Insights

Molecular pathology advances have transformed soft-tissue tumor diagnosis and treatment. Genomic alterations define subtypes, guiding targeted therapies for better patient outcomes.

Area of Science:

  • Oncology
  • Pathology
  • Genetics

Background:

  • Soft-tissue tumors are rare mesenchymal neoplasms with significant heterogeneity.
  • Traditional diagnosis relies on morphology, often insufficient for precise classification.

Purpose of the Study:

  • To highlight the transformative impact of molecular pathology on soft-tissue tumor diagnosis and management.
  • To discuss how genomic alterations define tumor subtypes and guide targeted therapies.

Main Methods:

  • Review of advances in molecular pathology techniques.
  • Analysis of recurrent genomic alterations (gene fusions, mutations, amplifications, epigenetic changes).
  • Integration of data from fluorescence in situ hybridization, next-generation sequencing, and methylation-based sequencing.

Main Results:

  • Molecular profiling precisely characterizes soft-tissue tumor subtypes.
  • Genomic alterations serve as biomarkers for targeted therapy selection.
  • Emerging technologies like circulating biomarkers and AI show promise.

Conclusions:

  • Molecular pathology is crucial for accurate diagnosis, prognosis, and predicting treatment response in soft-tissue tumors.
  • Continued integration of molecular and genomic data will refine patient care.
  • Future advancements will further enhance the role of molecular pathology in managing these rare neoplasms.