Desmoplastic SMALL Round Cell Tumor


D efinition A rare, predominantly intraabdominal tumor associated with a specific chromosomal translocation (t11;22)(p13:q12) that produces a fusion transcript EWS/WT1.

Clinical Features

Epidemiology

  • Extremely rare, particularly in women.

  • Typically seen in children and young adults.

  • Specific cell of origin is unknown, but a primitive progenitor cell is suggested by some.

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