Male or female who had first breast cancer surgery, regardless of the type of surgery

Age ≥ 18 years

Patients with refractory pain with myofascial syndrome, with a numerical scale ≥ 4

Topical treatment for refractory pain completed more than 30 days ago

Healthy, non-irritated skin on painful areas to treat

Patient with a third party who can attend visits M0 and M2.5

Obtaining the signed written consent of the patient

Major patient affiliated to a social security scheme

Electrotherapy in the Management of Myofascial Syndrome