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Related Concept Videos

Metastasis02:30

Metastasis

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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
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Rarely metastasizing soft tissue tumours.

D Chas Mangham1, Lars-Gunnar Kindblom

  • 1Department of Musculoskeletal Pathology, Royal Orthopaedic Hospital NHS Trust, Robert Aitken Institute of Clinical Research and School of Cancer Sciences, Medical School, Birmingham University, Birmingham, UK; Department of Musculoskeletal Pathology, Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Trust, Oswestry, UK.

Histopathology
|October 15, 2013
PubMed
Summary
This summary is machine-generated.

Recent WHO classifications now include rare metastatic soft tissue tumors. This review explores these tumors, classification challenges, and new genetic discoveries in entities like myxoinflammatory fibroblastic sarcoma.

Keywords:
GISTPEComagradeintermediatemelanotic schwannomamyoepitheliomamyxoinflammatory fibroblastic sarcomaphosphaturic mesenchymal tumourpseudomyogenic haemangioendotheliomararely metastasizingsarcomasolitary fibrous tumour

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Area of Science:

  • Oncology
  • Pathology
  • Genetics

Background:

  • Recent World Health Organization (WHO) classifications introduce a subcategory for soft tissue tumors with rare metastatic potential.
  • Classifying heterogeneous and complex tumor groups presents significant challenges.
  • Understanding the biological behavior and genetic underpinnings of these rare tumors is crucial for accurate diagnosis and management.

Purpose of the Study:

  • To review the nature of soft tissue tumors that rarely metastasize.
  • To discuss the difficulties in creating simple classifications for complex tumor entities.
  • To highlight recently classified rare metastatic soft tissue tumors and those with significant genetic discoveries.

Main Methods:

  • Literature review of recent WHO classifications.
  • Analysis of scientific literature on soft tissue tumor classification and genetics.
  • Identification and discussion of specific tumor entities based on updated classifications and genetic findings.

Main Results:

  • New WHO classifications include specific subcategories for rare metastatic soft tissue tumors.
  • Phosphaturic mesenchymal tumor and pseudomyogenic hemangioendothelioma are newly recognized entities.
  • Significant genetic discoveries have refined the understanding of myxoinflammatory fibroblastic sarcoma, solitary fibrous tumor, and myoepitheliomas.

Conclusions:

  • The classification of soft tissue tumors, particularly those with rare metastatic potential, remains complex.
  • Recent advancements in genetic understanding are crucial for defining and managing these rare entities.
  • Continued research is needed to refine classifications and improve patient outcomes for rare metastatic soft tissue tumors.