Case 6 - Discussion


 

HHV-8, IPX, 20
   
   
 

Kaposiís Sarcoma, HHV8 Positive

 
Low power impression:
  • Well-demarcated subcutaneous nodule with intact epidermis;
  • Tumor is rich in vascular supply.
 
High power impression:
  • Tumor consists of oval- or spindle-shaped cells with coarse nuclei and prominent nucleoli. No mitotic phase noted;
  • Tumor contains prominent slit-like vascular spaces formed by new, thin-walled and partly aberrant blood vessels;
  • Extravasated RBC around the new vessels.