Skip to main content

Table 4 Clinical, radiological and microbiological findings of 7 patients who had smear positive, culture negative results

From: Sputum microscopy for the diagnosis of HIV-associated pulmonary tuberculosis in Tanzania

Case Smear 1 Smear 2 Smear 3 Clinical features Conclusion
1 1+ (10 – 99 AFB/100 oil fields) 1+ (10 – 99 AFB/100 oil fields) 3 AFBs Cavity on CXR; patient treated for TB and responded TB
2 1+ (10 – 99 AFB/100 oil fields) Negative Negative Patient clinically well. Produced a total of 6 sputum specimens with only one positive smear Not TB
3 1+ (10 – 99 AFB/100 oil fields) 1+ (10 – 99 AFB/100 oil fields) Negative Abdominal TB samples taken after TB Rx for 2 months. TB
4 3AFBs/100 oil fields Negative Negative Patient clinically well. Not TB
5 6 AFBs/100 oil fileds 2 AFBs/100 oil fields Negative Fever and peritonitis with ascites by ultrasound, CXR normal, samples taken after 2 months of treatment. TB
6 8 AFBs/100 oil fields Negative Negative Prolonged cough and fever, CXR consistent with TB. Treated for TB and improved remarkably. TB
7 (> 10 AFB/oil field) Negative Negative Culture positive pulmonary TB, repeat samples taken after 2 months of treatment TB