Transcutaneous Breast Cancer Diagnosis by Canine Odorology

Inclusion criteria

• 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) ;
• Benefit from the national social security ;
• Signature of the informed consent of the study ;
• 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

• Patient with bilateral breast lesions classified as BI-RADS® category 4 or 5;
• Patient with breast implant(s);
• 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;
• 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;
• Patient with a personal history of punctures and/or percutaneous breast biopsies of the concerned breast less than 4 weeks before inclusion;
• Patient with a breast skin ulceration;
• Patient under insulin (risk of sudation that may impair compress sample);
• Concomitant antibiotics or corticoids taken one week before inclusion in the study;
• Patient with a current viral infection (fever);
• Persons under guardianship or deprived of liberty;
• Impossibility to submit to the medical monitoring expected by the study for geographical or severe psychological reasons.