MR-Guided Cryoablation of Prostate Bed Recurrences

Inclusion Criteria:

Patients with "biopsy proven" soft tissue tumor recurrences of prostate fossa
Surgery is not a desirable alternative therapy at the time of enrollment
Radiation therapy has failed or not indicated or can be safely postponed
Tumor size is < 5 cm at its largest diameter
Tumor does not encompass the rectal wall or external urethral sphincter
Performance status is ECOG 2 or better in adults
Patient is able to undergo MRI

Exclusion Criteria:

Patients with pacemaker or defibrillator