Ttle, 1962). Unlike classic KS, this endemic KS often can be rapidly fatal and is associated with significant morbidity and mortality, and is now recognized as one of the leading cancers in African children with HIV (Bayley, 1984; Downing et al., 1984). Importantly, KS is also known to develop after organ transplantation (posttransplant or iatrogenic KS; Penn, 1983). The fact that the immunosuppre