Case 6 - Discussion

Uploaded: 2007-01-10, Updated: 2007-08-16

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.

HHV8 Associated Disease

  • Kaposi's sarcoma

  • Multicentric Castlemanís Disease

  • Primary effusion lymphoma

  • Plasmablastic lymphoma