Cutaneous Tuberculosis: Clinicopathologic Arrays and Diagnostic Challenges
Table 4
Sensitivity and specificity of PCR in the diagnosis of cutaneous tuberculosis (literature review).
References and date
No. of samples
Sensitivity (%)
Specificity (%)
(Lee et al. 2016)
574
51.1
86.3
(Tan et al. 2001)
105
100
100 (multi-bacillary form)
Overall 73 (positivity of 55% in cases of tuberculosis verrucosa and 60% in cases of lupus vulgaris; positivity of 54% for cases of erythema induratum)