Inclusion Criteria:

- Age > 18 years

- Mammary Néoplasia ready(in position) (diagnosed on histological taking of type(chap)
biopsy)

- Waits whose realization of an imaging TEP-TDM in the 18FDG is required for the
coverage(care) of a mammary néoplasia. The decision of realization of this TEP-TDM
can be validated during a RCP.

Exclusion Criteria:

- Other cancerous affection;

- Pregnant Woman. Nursing mother

- Patient presenting difficulties of follow-up (insufficient motivation, imminent
transfer(transformation) in a city where the study cannot be led)

- Patient incapable to give their written consent.

- Patient claustrophobic or presenting a contraindication to the realization of the MRI