Special Instructions: If you are between the ages of 13 and 55 years old, you must have a pregnancy test before your scheduled appointment. If you have had a PET/CT scan within the last 2 months please call us at (209) 823-1504 and ask to speak to a technologist. No food from midnight or 6 hours prior to appointment. No strenuous exercise, no gum chewing, no smoking 24 hours prior to the exam. Low carbohydrate foods/ no caffeine / no nicotine / no alcohol 24 hours prior to the exam. Avoid cold temperatures / stay warm for 48 hours prior to the exam; continue remaining warm through injection and uptake phase of exam. You may take your medications (with water only) prior to arrival at Manteca Imaging Center. If you need to take your medications with food please hold taking the medication until after the exam. You will be asked to limit talking 5 minutes before injection and during uptake phase of exam to limit laryngeal muscle uptake. We recommend eating something fatty the day prior to exam(fried eggs, bacon). Do not bring children to the appointment. Foods Allowed (the day before): All meats (beef, pork, lamb, chicken, fish), tofu, cheeses, oil, margarine, butter, eggs, and non-starchy vegetables. Foods NOT Allowed (the day before): Cereals, breads, jams, jellies, peas, corn, potatoes, fruits, juices, sodas, gravies, milk(including non-dairy milks), pastas, sugar, candy, alcohol and rice. The exam may take 2 to 3 hours to complete. If you have any questions please call us at (209) 823-1504.