Preparing for your Prostate Volume Study (PVS)
A prostate volume study (PVS) is an ultrasound test used to judge the size of your prostate gland.
It uses a rectal probe. During a PVS the radiation doctor will take pictures of your prostate
gland. The pictures will help your doctor determine how many seeds will be needed. A PVS
takes about 45 minutes to complete. Here is your PVS schedule:
Please check in at the Town Square Reception area. You should also check in
at the Radiation Oncology Reception desk.
After your PVS, the doctor and nurse will talk with you. He or she will tell you about other tests
needed before the prostate seed implant (PSI). These tests can include blood work, a chest X-
ray, and an EKG. You will also be seen in the anesthesia screening clinic.
1. The day before your PVS you may eat solid food until 12:00 noon. You must then begin a
clear liquid diet (no dairy products). Clear liquids are listed below.
• Clear broth
• Coffee, decaffeinated coffee
• Carbonated beverages
• Hard candy
• Clear fruit juices (cranberry, grape, apple, cherry)
• Fruitades or ices made from the allowed juices
2. You may drink as much clear liquid as you would like up until the PVS.
3. The evening before your PVS, give yourself one Fleets® phosphate enema. This can be
bought at any pharmacy, without a prescription.
4. The morning of your PVS, give yourself a second Fleets® phosphate enema.
5. If you take prescription medicines, you may take them at your normal times.
6. After the PVS is over, you may resume your normal diet.
If you have any questions or concerns, please call the Radiotherapy Clinic at (608) 263-8500
between the hours of 8:00 am and 5:00 pm, Monday through Friday. If the clinic is closed your
call will be transferred to the answering service. They will have the doctor on call contact you.
Your health care team may have given you this information as part of your care. If so, please use it and call if you
have any questions. If this information was not given to you as part of your care, please check with your doctor. This
is not medical advice. This is not to be used for diagnosis or treatment of any medical condition. Because each
person’s health needs are different, you should talk with your doctor or others on your health care team when using
this information. If you have an emergency, please call 911. Copyright ©8/2016. University of Wisconsin Hospitals
and Clinics Authority. All rights reserved. Produced by the Department of Nursing. HF#5732.