True about hydatid diseasea) MC site is lungb) Pre-op. Albendazole followed by surgery is the t/t of choicec) 20% saline is scolicidald) Puncture, aspiration, injection, and respiration (PAIR) done in hepatic hydatids.

Most common site is liver followed by lung. Other sites which may be involved by E. granulosus are abdominal cavity kidney brain bone Scolicidal agents used in hydatid surgery 20% hypertonic saline 0.5% silver nitrate 95% sterile ethanol Absolute alcohol Mebendazole 2.4 µg/ml There is no place for the use of formaldehyde as a scolicidal agent.