Figure 3 a–d.

A 63-year-old woman with twenty-three hydatid cysts in the liver and one in the spleen. All cysts were treated in four sessions. Coronal T2-weighted image (a) shows multiple cysts in the liver. In every session, the patient was given a maximum of 30 mL prilocaine hydrochloride prophylactically for the prevention of methemoglobinemia related to local anesthetics overdose (b). After administration of local anesthesia in three different regions, eight cysts were treated using trocar. Fluoroscopic image (c) shows the ablation of the cysts with alcohol. Size reduction in all cysts and detachment of membranes are seen in coronal T2-weighted image (d) obtained one year later.