Factors Number of cases (%)
Sex  
Male 23 (74%)
Median age [range], years 70 [28–86]
Underlying diseases  
 Absent 24(77%)
Radiographic findings  
Cavity 21 (68%)
Extensive spread exceeding hemi-thorax 9 (29%)
Bacteriological findings  
Sputum culture-positive 29 (94%)
Sputum smear-positive 28 (90%)
1+/2+/3+ 07-10-2011
ECG: epithelioid cell granulomas; PTB: pulmonary tuberculosis
Table 1: Clinicopathological features of the ECG-positive cases in PTB (n=31)