[18F]-DPA-714 PET/CT (Positron Emission Tomography/Computerized Tomography) in Triple Negative Breast Cancers

Inclusion Criteria:

* 18 Years and older
* Triple negative primary breast cancer based on immunohistochemical results as follows:

  * Estrogen receptor \< 10%
  * And Progesterone receptors \< 10%
  * And HER2 (Human Epidermal Growth Factor Receptor-2) not amplified or not overexpressed
* Patient with a primary tumor eligible for primary surgery
* Performance Status equal to 0 or 1
* Fertile patients must use effective contraception
* Patient must be affiliated to a Social Health Insurance
* Written informed consent

Exclusion Criteria:

* Patient with No triple negative breast cancer
* Patient with inflammatory breast cancer
* Patient with metastatic breast cancer
* Patient receiving cancer treatments such as chemotherapy, immunotherapy, biologic response modifiers, hormonal therapy, and radiotherapy BEFORE the biopsy and PET scans are performed
* Treated diabetes with fasting blood glucose \> 10 mmol/L
* Patient who received antibiotics and/or steroidal and/or non-steroidal anti-inflammatory drugs within 30 days PRIOR to \[18F\]-DPA-714 PET scan
* Contraindication to MRI (implants or metallic prosthesis, severe claustrophobia, pacemaker ...)
* Patient deprived of liberty, under a measure of safeguard of justice, under guardianship or under the authority of a guardian
* Pregnant or nursing patient
* Agitation; impossibility of lying motionless for at least 1 hour, or known claustrophobia