A testicular ultrasound is a common, non-invasive imaging test that uses high-frequency sound waves to create real-time images of the testicles and surrounding structures within the scrotum. This procedure is highly effective for investigating issues like pain, swelling, or lumps, and for differentiating between fluid-filled cysts and solid masses. The procedure is generally fast, safe, and entirely painless. It uses no radiation and requires minimal time commitment.
How Long the Ultrasound Scan Takes
The actual scanning time is relatively short. For most routine examinations, the physical scan takes between 10 and 20 minutes to complete. In some instances, such as a simple, focused evaluation, the scan can be completed in as little as 5 to 10 minutes.
The duration can extend up to 30 minutes if a more detailed analysis is required. This longer time is often necessary if the scan includes a comprehensive evaluation of both testicles for comparison, or if a complex issue requires extra images and measurements, such as evaluating blood flow using Doppler technology. The specific reason for the scan, like assessing trauma or looking for a varicocele, determines the final time.
Preparing for the Examination
The preparation for a testicular ultrasound is simple. Unlike some other imaging tests, there are typically no dietary or fluid restrictions required beforehand, meaning there is no need for fasting or special bladder preparation. Patients should wear comfortable, loose-fitting clothing, such as sweatpants or shorts, that can be easily removed below the waist.
Upon arrival, patients may be asked to remove jewelry from the area and may be provided with a gown to wear for the procedure. Wearing loose clothing makes the changing process quicker and more convenient.
Step-by-Step During the Procedure
Once in the examination room, the patient will typically lie face-up on an examination table. The sonographer may ask the patient to reposition slightly or turn to one side to achieve the clearest possible images. A towel or tape might be placed underneath the scrotum to gently elevate and stabilize the testicles for better visualization.
A water-based gel, which may feel cool to the touch, is applied liberally to the scrotum. This gel is essential because it eliminates air pockets between the skin and the transducer, allowing sound waves to travel effectively into the body. The sonographer then moves the handheld transducer over the skin, gently pressing and gliding it across the entire area to capture images from different angles.
The transducer collects returning echoes, which a computer processes into live images on a screen. Patients may feel light pressure as the sonographer moves the probe, but this should not be painful unless the area is already tender due to swelling or injury. For specific concerns, the technician may use color Doppler, a feature that shows the movement and speed of blood flow, which helps evaluate conditions like testicular torsion.
Understanding Total Appointment Time and Results
While the scan itself is brief, the total time spent at the facility is longer than the actual 10 to 30 minutes of scanning time. The overall appointment generally takes about 45 minutes to one hour from check-in to leaving. This duration accounts for administrative tasks, such as registration, waiting time, changing clothes, and the time needed to prepare the room and review initial images.
After the scan is complete and the gel is wiped away, the patient can immediately resume all normal activities. The sonographer will process the captured images but typically cannot provide the final diagnosis immediately. The images and a detailed report are sent to a radiologist for expert interpretation, who then forwards the results to the referring physician. The full report is usually available within 24 to 48 hours.