Lead Sponsor

Peking University People's Hospital

Age

18 - 80 years

Sex

ALL

Healthy Volunteers

No

•patients aged between 18 and 80 years;
•those diagnosed with MP based on clinical and physical examination, with symptoms persisting for at least 3 months;
•a high-resolution ultrasound revealing LFCN compression as it exited the pelvis.

•MP resulting from trauma, surgery or occupying lesions affecting the LFCN;
•pregnancy;
•concurrent presence of rheumatic immune diseases, hypothyroidism, or diabetes mellitus;
•a known history of allergy to lidocaine or corticosteroids;
•L2/3 lumbar radiculopathy;
•patients who had undergone local injection or surgery for MP within 3 months