TABLE 3.

Histopathological findings in 21 cases with a PCR positive for M. ulcerans

GroupNo. of lesions with positive PCRHistopathology
NecrosisChronic inflammationAcute inflammationGranulomasAFB positive
I545423 (4)a
V555505
II323323
III555425 (4)a
IV312213
Total21172018719
  • a Values in brackets are the number of specimens in which AFB were observed in the microbiology specimen.