Abstract
Filariasis is an endemic health issue in India and Southeast Asian countries. The diagnosis is conventionally made by demonstrating microfilaria in a peripheral blood smear. Detection of microfilaria is rarely reported in cytological evaluation, and even more infrequent is the presence of microfilaria in a neoplastic lesion. Here we report a rare case of microfilaria in a routine cytological smear of a liver aspirate, which was diagnosed as hepatocellular carcinoma.