Study of Fine Needle Aspiration Cytology in Lymphadenopathy with Special Reference to Acid-fast Staining in Cases of Tuberculosis

Abstract
The present study was conducted to evaluate the usefulness of FNAC as a diagnostic tool in 1000 patients of lymphadenopathy. Fine needle aspiration was performed in all the patients following through clinical examination and slides were stained with H & E, PAP and Ziehl Neelsen stains. The results of FNAC were further correlated with paraffin embedded sections of tissue blocks. Eight hundred and sixty-four cases (86.4%) were of benign lymphadenopathy; out of which 536 (53.6%) cases were of reactive nature and 328 cases (32.8%) were tubercular. The remaining 136 (13.6%) cases were of malignant lymphadenopathy, consisting 45 (4.5%) cases of primary malignancies i.e. lymphomas and 91 (9.1%) cases of metastasis to lymph nodes. Out of 328 cases, Z-N positivity for AFB was found in 152 cases (46.4%) and Mantoux test was positive in 180 cases (54.9%). On correlation of FNAC findings with histopathology; sensitivity and specificity was found out to be 91.6% and 99%, respectively, with diagnostic accuracy of 97.3% in cases of benign lesions. The same being 97%, 97.5% and 97.4%, respectively in tubercular lesions. The sensitivity, specificity and diagnostic accuracy was 100% each in malignant lesions. FNAC of lymphnodes is an excellent first line method, for investigating the nature of the lesions, as it is economical and convenient alternative to open biopsy.
Description
Keywords
FNAC, Lymphnodes, Malignant, Tubercular, Reactive
Citation
Ahmad S Shamshad, Akhtar Shakeel, Akhtar Kafil, Naseem Shano, Mansoor Tariq. Study of Fine Needle Aspiration Cytology in Lymphadenopathy with Special Reference to Acid-fast Staining in Cases of Tuberculosis. JK Science Journal of Medical Education and Research. 2005 Jan-Mar;7(1): 1-4