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Lung India Official publication of Indian Chest Society  
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Year : 1996  |  Volume : 14  |  Issue : 1  |  Page : 14-18

Diagnosis Of Sputum Negative Pulmonary Tuberculosis By Transthoracic Fine Needle Aspiration (TFNA)



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B. R Maldhure


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Trasnthoracic Fine Needle Aspiration (TFNA) was done in 62 suspected cases of sputum negative pulmonary tuberculosis. According to material obtained form the procedure, the aspirates were divided into four groups, (i) tuberculosis confirmed by direct smear and/or culture (n=27.43.55%), (ii) suggestive of tuberculosis by cytology (n=18,29.03%), (iii) other diseases (n=3,4.84%), (iv) inconclusive (n=14,22.58%). Sputum cultures for Mycobacterium tuberculosis were positive in eight (12.90%) patients. However, 27 (43.55%) were confirmed bacteriologically by TFNA direct smear for acid fast bacilli and /or culture for Mycobacterium tuberculosis (p<0.001). The diagnostic yield of TFNA was significantly more in the lesions with radiological opacities < 4 cm in diameter (p<0.05). Complications were rare, self-limiting and required no active management. TFNA has a place in the diagnosis of suspected pulmonary tuberculosis when more simple methods have failed.


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