S3 Root Pulsed Radiofrequency Added to Superior Hypogstric Plexus Block

the Added Analgesic Effect of S3 Root Pulsed Radiofrequency to Superior Hypogastric Plexus Block in Pelvic Cancer Pain. a Controlled, Randomized Study

The investigators hypothesis that adding pulsed radiofrequency neuromodulation at S3 nerve root to superior hypogastric plexus chemical neurolysis improves analgesia in patients with chronic pelvic cancer pain.

Inclusion Criteria:

• pelvic cancer patients
• with pelvic pain not responding to oral analgesic medications
• side effects of oral analgesic medications

Exclusion Criteria:

• patients with metastatic cancer disease
• patients with significantly impaired organ functions
• patients with bleeding diathesis
• patients with mental disabilities