 A thyroid scan is a specialized imaging procedure for examining your thyroid, the gland that controls your metabolism. It's located in the front part of your neck. This scan can help your doctor determine if your thyroid is working properly. On the day of the procedure, please inform the attending staff in case you are pregnant. Fasting is not required before the scan. You will be advised to drink lots of fluids before and after the scan. Before the scan, a small dose of Technician is administered via intravenous injection and the scan is performed 20 minutes later. The scan duration is about 10 minutes. You are advised to stay away from pregnant women for a day. Your reports will be issued on the same day.