The aim of this study is to compare the effectiveness of super-voltage pulsed radiofrequency of stellate ganglion and super-voltage pulsed radiofrequency of T2-T3 sympathetic ganglia in the treatment of postmastectomy pain syndrome.
Female patients aged 18-60 years.
Patient of class II according to the American society of Anesthesiologists (ASA) physical status classification system.
History of unilateral mastectomy for breast cancer.
Persistent pain >3 months postoperatively.
Coagulopathy or anticoagulant therapy.
Local infection at injection site.
History of psychiatric illness or cognitive dysfunction.
Previous intervention in the same region (e.g., prior stellate ganglion block or thoracic radiofrequency ablation).