Managing chronic pelvic pain in patients with a past history of endometriosis might be a challenge for the gynaecologist.

The objective of this study is to evaluate pelvic pain after treatment with radiofrequency in patients with chronic pelvic pain and surgery for endometriosis.

Patients with pelvic chronic pain and a past history of endometriosis without imaging evidence of endometriosis in the present will be enrolled in this study. The main objective of this study is to evaluate improvement of pelvic pain these patients. Moreover, quality of life and sexual function will be also assessed. Patients who are enrolled will come once a week per eight weeks to the hospital to have 30 minutes treatment with radiofrequency. They will be randomised in two groups, one receiving the radiofrequency and the other not (the device will be not give the energy). At the enrollement visit, the SF-36, VAS score, anxiety and depression tests and sexual function tests will be answered the patients. At the end of the treatment, and one month after the end, they will answer the same questionnaires.

Inclusion Criteria:

• Chronic pelvic pain
• Past surgery for endometriosis

Exclusion Criteria:

• Active endometriosis, diagnosed by imaging techniques
• Presence of other diseases that can cause chronic pelvic pain
• Contraindication for the radiofrequency use: pregnancy, metallic prothesis

It is not intended to share IPD to other researchers since it is the first study of this kind in our setting.