Rare Diseases Symptoms Automatic Extraction

Dedifferentiated liposarcoma arising in an esophageal polyp: a case report.

[well-differentiated liposarcoma]

Liposarcoma is one of the most common sarcomas in adults, but only rarely presents as an esophageal primary. There have been several reports of well-differentiated liposarcoma (WDL) arising in the esophagus, but we present a case of dedifferentiated liposarcoma (DL) presenting as a large esophageal polyp. We believe this is the first reported case of DL of the esophagus with morphologic evidence of both well-differentiated and dedifferentiated components. The diagnosis was confirmed by demonstration of CPM gene amplification by fluorescence in situ hybridization (FISH).

Diseases presenting "but only rarely presents as an esophageal primary" symptom

  • dedifferentiated liposarcoma
  • well-differentiated liposarcoma

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