What is the Swartz classification system for Kaposi sarcoma (KS)?

Updated: Apr 04, 2019
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Edwin Choy, MD, PhD  more...
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Answer

Answer

Stage I:

  • Represents localized nodular Kaposi sarcoma, with >15 cutaneous lesions or involvement restricted to one bilateral anatomic site and few, if any, gut nodules

Stage II:

  • Includes both exophytic destructive lesions and locally infiltrative cutaneous lesions as locally aggressive Kaposi sarcoma

Stage III:

  • Generalized lymphadenopathic Kaposi sarcoma has widespread lymph node involvement, with or without skin lesions, but with no visceral involvement

Stage IV:

  • Disseminated visceral Kaposi sarcoma has widespread Kaposi sarcoma, usually progressing from stage II or stage III, with involvement of multiple visceral organs


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