FIG. 4.

Dendrogram resulting from computer-assisted analysis of the PFGE profiles of 43 representative M. massiliense isolates. The Dice coefficient was used for calculating the percentages of similarity among the profiles. M. massiliense isolates recovered during outbreaks in other Brazilian cities are marked in bold. Diag., diagnosis. Footnotes: a, the mycobacterial isolate was recovered from a patient who submitted to video laparoscopic surgery headed by the Dr.n team; b, the mycobacterial isolate was obtained from a patient who submitted to surgery at hospital (H) n; c, RJ, Rio de Janeiro city; d, NR, not reported; e, NA, not applicable.