SACRAL HYDATID CYSTS WITH INTRAPELVIC EXTENSION PRESENTING AS HERNIATED INTERVERTEBRAL DISC

Hydatid disease of bone is a rare condition. Although the bones most o ften involved are the vertebrae, sacral vertebral involvement is extre mely rare. Prognosis is poor despite extensive medical and surgical tr eatment. In this paper we present two unusual cases of hydatid disease located in the sacral vertebrae with extension into the pelvic cavity causing radicular symptoms.