“…[ 2 3 ] Clinical manifestations of filariasis range from asymptomatic microfilariasis to acute manifestations such as fever, epididymo-orchitis, lymphangitis, lymphadenitis, or chronic symptoms such as hydrocele, lymphedema, elephantiasis, and topical pulmonary eosinophilia. [ 3 4 ] Microfilaria in peripheral blood examination is frequent in filarial-endemic regions both in symptomatic or asymptomatic cases. However, the presence of microfilaria in pleural fluid cytology is very rare finding even in endemic areas.…”