“…[7] Hydatid cysts (HC) in the peritoneal cavity or pelvis are usually a result of spontaneous rupture from a primary liver focus or following surgical inoculation [10,20]. Pelvic and retrovesical locations are considered primary if no other site is affected [6,10,12,21]. Mostly pelvic HC coexist with hepatic HC, detected before or on simultaneously, hence most of these cysts are secondary [10,12,22].…”