Inclusion Criteria:

- Age ≥ 50 years and ≤ 75 years

- Life expectancy >10 years

- Localized prostatic adenocarcinoma and histologically proven

- Intermediate risk cancer(T2b or PSA between 10 and 20 or Gleason = 7(3+4) according
to Amico criteria

- Metastasis or pelvic pathologic ganglion (≥ 10 mm) absence

- OMS < 2

- No previous treatment by radiotherapy and/or curietherapy

- Hormonotherapy authorized before and during the study

- Rectal or uretero-vesical pathology

- Signed informed consent

- Social security system affiliation

- Individual deprived of liberty or placed under the authority of a tutor.

- No anesthesia contraindication

Exclusion Criteria:

- Adenocarcinoma not histologically proven

- Metastases presence

- Pathological nodes presence(≥ 10 mm)

- Prior prostate endoscopic resection

- history of other malignancy except for appropriately treated superficial basal cell
skin cancer

- Medical contraindications to anesthesia

- Patients with uncontrolled psychiatric disease or medical disease incompatible with
the protocol

- Impossibility to respect the medical follow-up of the protocol for geographical,
social or psychic reasons