Comparison Of Effectiveness Of Sputum Cytology With Bronchoalveolar Lavage (Bal) In The Diagnosis Of Lung Cancer
Journal Title: INTERNATIONAL JOURNAL OF CURRENT RESEARCH - Year 2014, Vol 6, Issue 8
Abstract
Sputum cytology is a simple, accurate, reliable, cost effective and non-invasive procedure for the diagnosis of pulmonary lesions including preinvasive and invasive malignancies. BAL (Bronchoalveolar lavage) is a valuable diagnostic and research tool in pulmonology. Aims: To compare the efficacy of Sputum cytology with BAL in the diagnosis of lung cancer. Material and Methods: 2 year study was carried out. Sputum cytology, BAL and bronchoscopic biopsies were done in 97 cases. Comparison of effectiveness of Sputum cytology and BAL in diagnosing lung cancer is done with ‘z’ test. Results: Total 97 cases were included in the study, 33 cases were positive for malignancy. Sensitivity of sputum cytology and BAL were 30% and 69.6% respectively. On applying ‘z’ test for statistical analysis p value of <0.0001 is obtained. Hence we conclude that there is a significant difference in proportions between sputum cytology and BAL in diagnosing lung cancer. So BAL is more effective diagnostic modality for lung cancer in comparison to sputum cytology. Conclusion: BAL cytology is significantly more effective in the diagnosis of lung cancer in comparison to sputum cytology. As sputum cytology is a simple, reliable, cost effective and non-invasive procedure it can still be used as one of the diagnostic modality for lung cancer with fairly good sensitivity.
Authors and Affiliations
Pradeep Kumar, L. .
Keywords
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