The prostate is a small gland of the endocrine system present in men which produce seminal fluid to transport the sperm. Cancer can occur to this gland and it is one of the most common type of cancer found in men aged over the 50s. If diagnosed early and proper prostate cancer treatment is given, the patient can get a cure. Usually, prostate cancer grows very slowly at its early stage and stays confined within the prostate gland. At that point, it may not harm the patient severely. But there are many types of prostate cancer which grows aggressively and may spread very quickly. Thus, detection is very important, and PET-CT Scan is the new technological advancement in prostate cancer diagnosis process. This scan can not only detect cancer but also find out the exact location and widespread. It can also detect recurring of prostate cancer spread after giving initial treatment and if it may reach to other organs or not. PET-CT Scan can detect prostate cancer earlier than any CT scan...