A 28-year-old white man positive for HIV, who was admitted to hospital
for pneumonia, had for 2 months had several fluctuating cutaneous pur
ple nodules on his legs and abdomen. Cultures of two lesions were nega
tive, but light and electron microscopy showed organisms characteristi
c of bacillary angiomatosis. The patient responded well to therapy wit
h erythromycin. This is the first reported case of bacillary angiomato
sis in South Africa.