Ultrasonographic detection of a synovial cyst adjacent to the coxofemoral joint of a dog: case report

Résumé

Synovial cysts have been reported in various areas of the canine spine, however, to date, there are few studies on synovial cysts in other joints of the body. This report aims to describe a novel case of a synovial cyst adjacent to the hip joint in a dog with hip dysplasia. The animal was an intact male Border Collie, 8 months old, weighing 18 kg, presenting locomotor signs consistent with bilateral hip dysplasia. Blood examination was performed, showing normal results; radiographic examination confirmed the presence of hip dysplasia; followed by ultrasound examination, revealing a cystic structure adjacent to the right hip joint. Guided fluid collection confirmed it was a synovial cyst. Subsequently, the patient underwent physiotherapy combined with medications for pain control. In the follow-up of six months, the canine showing improvement in pain and gait related to the hip joint.