[Hydatid cyst of the psoas muscle: about a case]. / Kyste hydatique du muscle psoas: à propos d'un cas.

The psoas muscle is an uncommon location for hydatid cyst. Our study reports the case of a 32-year-old patient with hydatid cyst located at the left psoas muscle. Ultrasound, CT scan as well as a positive hydatid serology contributed to the preoperative diagnosis. The patient underwent left pararectal incision (Jalaguier). Microscopic examination of the hydatid liquid pellet highlighted scolices and many hooks confirming the diagnosis. The evolution was good with no recurrence after surgical treatment.