Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 15 Απριλίου 2018

CBNAAT: A Boon for Early Diagnosis of Tuberculosis-Head and Neck

Abstract

Tuberculosis of head and neck has been an under diagnosed entity due to large number of smear negative cases, which results in missing out the positive cases, further increasing the burden of TB. The role of cartridge- based nucleic acid amplification test (CBNAAT) with a potential to diagnose TB and rifampicin resistance within 2 h is promising. The study highlights the extended implications of CBNAAT in infectious lesions of head and neck, where the pus or aspirate was subjected to this test, along with other investigations which have been routinely used for detection of extra pulmonary tuberculosis. Twelve patients with infective lesions of head and neck were included in this prospective study, conducted in Department of Otorhinolaryngology, Netaji Subhash Chandra Bose Medical College and hospital, Jabalpur from September 2016 to March 2017. They were investigated for pulmonary and extra pulmonary TB. CBNAAT, microscopy, FNAC and HPR from the site of lesion were done. Nine out of twelve patients were diagnosed positive for Tuberculosis. Microscopy (ZN staining) could detect only two such cases, whereas FNAC showed granulomatous lesion in 3 cases (33.3%). CBNAAT was positive in 77.7% of the total positive cases. Histopathological examination showed 100% results but was feasible only in selected number of cases (4 in this study). CBNAAT provides a promising role in early diagnosis of TB in head and neck. Its high sensitivity and less time taking procedure makes it an excellent tool for timely diagnosis of such cases.



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