A pelvic mass with obstructive uropathy in a 4-year old boy

Abstract

Cystic Echinococcosis is endemic in middle-East it may present in different sites mostly liver, but children show atypical signs in uncommon sites. A 4 years old boy presents with urinary retention, his imaging demonstrates a 6cm cystic mass displaced and compressed bladder outlet during survey another asymptomatic cyst found in chest but his liver was not involved. Retroperitoneal Cystic Echinococcosis is a rare event especially in children if present with urinary obstruction it may be due to rectum penetration and dislodged to lymphatic drainage head to chest. Cyst growth rapidity rate is 2-3 cm/year as our study. Copyright é 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins.