Fine needle aspiration in chronic tonsillitis: reliable and valid diagnostic test

Authors:
  • SSSuchitra Sheelan
    Suchitra Sheelan
  • LJL. Jeyaseelan
    L. Jeyaseelan
  • BRBramhadathan
    Bramhadathan
  • KTKurien Thomas
    Kurien Thomas
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Abstract
Fine needle aspiration (FNA) of the tonsil as a diagnostic tool in evaluating the microflora in chronic tonsillitis has not been popularized. A prospective study of 30 patients with chronic tonsillitis undergoing tonsillectomy was undertaken. FNA of the tonsil core was done under local/general anaesthesia. The reliability of the culture by FNA of the tonsil core was then validated with the reference (gold) standard which is the dissected tonsil core. The sensitivity of FNA culture as compared to core culture was 100 per cent and 93 per cent under general and local anaesthesia respectively. The positive predictive value of FNA culture as compared to core culture was 92 per centand 82 per cent for general and local anaesthesia respectively. These factors indicate that FNA of the tonsil core is reliable and valid. It can safely be performed as an out-patient procedure under local anaesthesia. This is reported for the first time. Identifying the bacterial organism within the infected tonsil for appropriate antibiotic therapy could revolutionize the management of chronic tonsillitis.