How is Kaposi sarcoma (KS) staged?

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

Answer

There is no officially accepted system for staging Kaposi sarcoma. Provided below, however, are several commonly used classification systems, [1] including those developed by the AIDS Clinical Trials Group (ACTG), [2] Mitsuyasu, [3] and the authors [4] (with subsequent modifications). The ACTG system uses three variables: tumor extent (T), immune status (I), and systemic symptoms (S). Each variable is classed as good risk (0) or poor risk (1).


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