Fine needle aspiration (FNA) [fine needle aspiration Cytology (FNAC)] technique was first introduced by Greig and Grey. 1 Since the 1960's, it has been used extensively as a diagnostic tool for rapid evaluation of mainly superficial lesions, especially of lymph nodes. It is cost effective, relatively less traumatic, and enables the pathologist to provide the clinician with a diagnosis in a very short time, and hence is ideal especially for OP patients. 2 Lymphadenopathy is a commonly encountered clinical entity. The diagnosis of the cause underlying the enlarged lymph node(s) enables the clinician to plan appropriate management for each patient. Enlarged superficial lymph nodes are easily amenable to evaluation by FNA technique and hence FNAC forms an important diagnostic tool in the armamentarium of the pathologist. 3 While histopathological evaluation of surgically excised lymph nodes is a more specific and accurate diagnostic parameter, it is relatively more costly, time consuming and discomfiting to the patient, and may not be warranted in every patient. FNAC is more cost effective and relatively non-invasive. 4 FNAC evaluation may prevent a patient having to undergo unnecessary surgery and permit the treating clinician to offer conservative therapy instead.
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