[Synovial cyst of the hip with venous compression. Diagnosis using x-ray computed tomography. A case report]

The authors report a case of synovial cyst developed about the serous bursae of the psoas iliaca muscle. It occurred in a 82 years old woman with a severe degenerative arthritis after hip dysplasia. The cyst has been revealed by a compression syndrome of the iliaca vein. Diagnosis has been made by CT. Physiopathology, clinics, diagnosis and treatment of this rare affection complete this case.