Table 1. Results of the four diagnostic methods performed with samples from patients with suspected ATL who attended the Instituto de Infectologia Emílio Ribas (IIER) in São Paulo, Brazil.
| Clinical manifestation | Cutaneous | Mucosal | Total | |||
|---|---|---|---|---|---|---|
| N | (%) | N | (%) | N | (%) | |
| Patients | 69 | 53.9% | 59 | 46.1% | 128 | |
| Direct investigation (76) | ||||||
| Not performed (52) | ||||||
| Positive | 38 | 67.9% | 9 | 45.0% | 47 | 61.8% |
| Negative | 6 | 10.7% | 4 | 20.0% | 10 | 13.2% |
| Suggestive | 12 | 21.4% | 7 | 35.0% | 19 | 25.0% |
| Total | 56 | 20 | 76 | |||
| Montenegro skin test (78) | ||||||
| Not performed (50) | ||||||
| Positive (> 5 mm) | 18 | 50.0% | 31 | 73.8% | 49 | 62.8% |
| Negative (< 5 mm) | 18 | 50.0% | 11 | 26.2% | 29 | 37.2% |
| Total | 36 | 42 | 78 | |||
| In vitro culture (114) | ||||||
| Not performed (14) | ||||||
| Positive | 14 | 23.7% | 8 | 14.5% | 22 | 19.3% |
| Negative | 34 | 57.6% | 17 | 30.9% | 51 | 44.7% |
| Contamination | 11 | 18.6% | 30 | 54.5% | 41 | 36.0% |
| Total | 59 | 55 | 114 | |||
| kDNA-PCR (128) | ||||||
| Positive | 61 | 88.4% | 51 | 86.4% | 112 | 87.5% |
| Negative | 8 | 11.6% | 8 | 13.6% | 16 | 12.5% |
| Total | 69 | 59 | 128 | |||