Piriformis syndrome is a kind of nerve entrapment syndrome. MRI examination can show the abnormal nerve course and edema, which is helpful for the diagnosis of the disease.
Normal sciatic nerve travels in the lower edge of the pyriform muscle, and gradually divides into tibial nerve and common peroneal nerve after leaving the pelvis, which innervates the muscle movement and skin sensation of the lower limbs. When the relationship between the sciatic nerve and the pyriformis muscle is abnormal, or trauma or other causes of local scar compression, adhesion, etc., it will cause pyriformis syndrome, which is manifested as abnormalities in movement and sensation of the lower limb on the side of the lesion.
Imaging tests, such as MRI, can determine the positional relationship between the neuromuscles, the presence of adhesions, nerve edema, etc., which can help determine the severity of the disease and provide guidance for subsequent treatment.
When pyriformis syndrome occurs, it is recommended to go to the hospital in time.