[A hybrid lesion: Low-grade fibromyxoid sarcoma (LGFMS) and sclerosing epithelioid fibrosarcoma (SEF)]

Ann Pathol. 2016 Oct;36(5):351-354. doi: 10.1016/j.annpat.2016.07.002. Epub 2016 Sep 15.
[Article in French]

Abstract

We report the case of a 34-year-old woman presenting a 10cm axillary mass diagnosed as hybrid tumor low-grade fibromyxoid sarcoma/sclerosing epithelioid fibrosarcoma. Microbiopsy for morphological and immunohistochemical analyses was associated with molecular analysis (FISH and PCR) to confirm the diagnosis.

Keywords: EWSR1; FUS; Fibrosarcome épithélioïde sclérosant; Low-grade fibromyxoid sarcoma; MUC4; Sarcome fibromyxoïde de bas grade; Sclerosing epithelioid fibrosarcoma.

Publication types

  • Case Reports

MeSH terms

  • Adult
  • Axilla
  • Calmodulin-Binding Proteins / analysis
  • Combined Modality Therapy
  • Female
  • Fibrosarcoma / chemistry
  • Fibrosarcoma / diagnosis
  • Fibrosarcoma / pathology*
  • Fibrosarcoma / therapy
  • Humans
  • Mucin-4 / analysis
  • Neoplasm Proteins / analysis
  • Neoplasms, Multiple Primary / chemistry
  • Neoplasms, Multiple Primary / diagnosis
  • Neoplasms, Multiple Primary / pathology*
  • Neoplasms, Multiple Primary / therapy
  • RNA-Binding Protein EWS
  • RNA-Binding Protein FUS / analysis
  • RNA-Binding Proteins / analysis
  • Radiotherapy, Adjuvant
  • Soft Tissue Neoplasms / chemistry
  • Soft Tissue Neoplasms / diagnosis
  • Soft Tissue Neoplasms / pathology*
  • Soft Tissue Neoplasms / therapy

Substances

  • Calmodulin-Binding Proteins
  • EWSR1 protein, human
  • FUS protein, human
  • MUC4 protein, human
  • Mucin-4
  • Neoplasm Proteins
  • RNA-Binding Protein EWS
  • RNA-Binding Protein FUS
  • RNA-Binding Proteins