Preoperative Magnetic Tracking in Breast Surgery in France: French Medical-economic Study.

Summary

MAGNETO is a French medico-economic study on preoperative localization in breast cancer surgery. The main objective is to conduct a cost-consequence analysis comparing magnetic clip localization with the use of metallic wires for the preoperative identification of non-palpable breast lesions. The choice of localization method is left to the physician's and center's discretion. The study is non-interventional (with only questionnaires and data collection), prospective, and multicenter, with patient follow-up lasting up to six months after breast surgery.

Eligibility

Inclusion Criteria:

* I1. Female aged ≥ 18 years;
* I2. Patient presenting with a unifocal and unilateral lesion of invasive carcinoma or in situ;
* I3. Indication for first breast-conserving treatment with the need for preoperative localization of the lesion, regardless of the associated lymph node procedure;
* I4. Patient affiliated with a health insurance system;
* I5. Non-opposition to the study.

Exclusion Criteria:

* E.1. Psychological, family, or sociological condition that may potentially compromise adherence to the treatment protocol and follow-up;
* E.2. Bilateral surgery required;
* E.3. Patient with metastatic breast cancer;
* E.4. Multifocal or benign lesions;
* E.5. Pregnant or breastfeeding patient;
* E.6. Need for neoadjuvant treatment;
* E.8. Patient under guardianship, curatorship, or deprived of liberty.

Conditions4

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