Patient with an indication of interventional percutaneous procedure for characterization of a breast lesion, palpable or not, classified as category 4 or 5, according to the Breast Imaging (BI) Report and Data System of the American College of Radiology (RADS) classification detected at mammography and/or breast ultrasound examination.

Inclusion Criteria:

1. Women 18 years and older, with one or more ipsilateral mammary lesion(s), palpable or not, detected at mammography and/or ultrasound and with at least one lesion classified as BI-RADS® category 4 or 5 with an indication of percutaneous sampling (cytology, microbiopsies, macro-biopsies) ;
2. Benefit from the national social security ;
3. Signature of the informed consent of the study ;
4. There is no contraindication for the person to simultaneously participate to another research program and there is no exclusion period planned after the study.

Exclusion Criteria:

1. Patient with bilateral breast lesions classified as BI-RADS® category 4 or 5;
2. Patient with breast implant(s);
3. Patient with a personal history of breast surgery for benign lesion(s) of the concerned breast operated less than 4 weeks before the date of inclusion in this study;
4. Patient with a personal history of cancer (in situ or invasive) less than 5 years before inclusion whatever the anatomical site including cutaneous basal cell carcinoma;
5. Patient with a personal history of punctures and/or percutaneous breast biopsies of the concerned breast less than 4 weeks before inclusion;
6. Patient with a breast skin ulceration;
7. Patient under insulin (risk of sudation that may impair compress sample);
8. Concomitant antibiotics or corticoids taken one week before inclusion in the study;
9. Patient with a current viral infection (fever);
10. Persons under guardianship or deprived of liberty;
11. Impossibility to submit to the medical monitoring expected by the study for geographical or severe psychological reasons.