Case 132 - Discussion

Uploaded: 2007-10-28, Updated: 2007-10-28

   
 
  • Positive: CD99, EMA

  • Negative: Keratin, CK7, CD34, desmin, chromogranin, synaptophysin, LCA, MSA.

  Primitive small round blue  cell tumor, mostly consistent with Ewing sarcoma/PNET