Tumor Marker CA 125 in the Diagnosis of Active Pulmonary Tuberculosis - A Study of Adults in Mostar, B&H.

BACKGROUND Tumor marker CA 125 is found in normal mesothelial lung cells and normal bronchial epithelial cells. If destruction of these cells occurs due to inflammation or tumour, CA 125 will be released, and increased in the serum. SUBJECTS AND METHODS From November 2008 to May 2009 a study analysing CA 125 levels in serum samples from patients who are hospitalized at the Pulmology Department of University Hospital Mostar. Standard laboratory tests, X-ray, sputum examination to BK, and tumour marker CA 125 were performed in all patients. Patients were divided into 5 groups. Comparing clinical and laboratory findings of patients and statistical processing of collected data, conclusions were drown about the role of tumor markers Ca 125 in the diagnosis of pulmonary tuberculosis. RESULTS This analysis is performed on 220 patients, forty with pulmonary tuberculosis. Of the total number of patients included, there is 60% of the negative findings of tumor marker Ca 125 which is statistically significant (P<0.05). Further analysis of Ca 125 shows that there is 75% of positive findings in active pulmonary tuberculosis, which is a statistically significant difference (P=0.002). Within the group of patients with lung carcinoma, half of the patients showed positive finding of tumor marker CA 125. Statistical analysis showed that sensitivity of CA 125 was 75%, specificity was (68%) and positive predictive value was 12% in patients with active tuberculosis. CONCLUSIONS The result of this study showed that the increase in serum tumor marker CA 125 is present in active pulmonary tuberculosis as well as in patients with lung cancer.