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Lymph nodes are a site for organized collections of lymphoreticular tissue and arepink-gray  bean-shaped  encapsulated organs. Lymph nodes are  among the  commonly  aspiratedorgans for  diagnostic purposes. Lymphadenopathy  is  of  great clinical significance as  underlyingdiseases may  range from a  treatable infectious etiology to  malignant neoplasms Fine  needleaspiration cytology (FNAC) is  a  reliable  as  well  as  an  inexpensive  method used  to  diagnoselymphadenopathy of various sites. Aims: To evaluate the usefulness of FNAC as a diagnostic tool inthe etiological causes of lymphadenopathy and to study the cytomorphological features associatedwith  various  lymphadenopathies. Materials and  Methods: The  present prospective  study wascarried out  in  the  Department of  Pathology at  Maharajah's Institute of  Medical Sciences,Vizianagaram, a Tertiary Care Centre. A total of 210 patients of all age groups underwent FNAC ofenlarged lymph nodes during this study period. Results: FNAC diagnosis was found to be as follows:tubercular lymphadenitis in  98  cases (46.67%) followed by  reactive  hyperplasia in  35  cases(16.67%), metastatic carcinoma 29  (13.8%), granulomatous lymphadenitis 27  (12.85%), non-specific lymphadenitis 8 (3.8%), acute suppurative lymphadenitis 7 (3.33%) and lymphoma 4 (1.8).Conclusion: FNAC of lymph nodes is an excellent first-line investigation to determine the nature ofthe lesion. It is quick, safe, minimally invasive, and reliable and is readily accepted by the patient.

pathology update

A study on evaluation of the role of fine-needle aspiration cytology in the etiology of lymphadenopathy in the rural population attending tertiary care hospital