This study will collect prospective data on clinical indications, outcomes, and adverse events related to Prostatic Artery Embolization (PAE) at the Medical University of South Carolina. Patients undergoing surgical treatment for benign prostatic obstruction causing LUTS will also be allowed to enroll in this registry for the purposes of comparison. Patients will be followed at 1, 3, and 12 months post-procedure, for a period of up to 5 years. Patients will remain enrolled in the registry for a period of 5 years.