Kaposi's Sarcoma

Diagnosis: Kaposi's Sarcoma

Case submitted by Dr.Azeem Alam Khan to the dermRounds community.

Clinical Presentation

Clinical photograph(s) submitted for peer review and discussion.

Clinical History

Submitted by Dr.Azeem Alam Khan. Originally posted May 13, 2009.

Treatment

See case discussion.

Differential Diagnosis

• Bacillary angiomatosis • Pyogenic granuloma • Angiosarcoma • Hemangioma • Dermatofibroma • Melanoma • Stasis dermatitis

Key Learnings

• Caused by HHV-8 (Human Herpesvirus 8) in all variants • Four types: classic (elderly Mediterranean men), endemic (sub-Saharan Africa), iatrogenic (immunosuppression), epidemic (HIV/AIDS) • HIV-associated KS: dramatically decreased with effective ART • Patch → plaque → nodular stage progression • Classic KS: indolent course, lower extremity predominance • Histology: spindle cell proliferation with slit-like vascular channels, PAS+ eosinophilic globules

Tags: kaposi039s, sarcoma, dr.azeem alam khan