Widespread Hydatidosis of Sacroiliac Bones and Retroperitoneum A Case Report

Hydatiddisease isoneofthe oldestdiseasesknowntohumankind. In85-95%of thecases,theliverand/orthelungsareinvolvedandonly5-15%ofotherorgans. The case presented here is a 38-year-old man with hydatid disease of lower lumbar vertebrae,sacrum,lumbosacralspinalcanal,andleftiliacbone;withextensiontoretroperitoneum and piriformis, sacrospinalis, iliacus, iliopsoas, and quadratus lumbarum muscles; without involvement of liver or lung, as diagnosed byMRI andCT scan and confirmedby surgery.