This scan will look at your anal sphincter (back passage muscle) to check that it is complete.
Are there any risks?
Ultrasound is very safe. Ultrasound does not use ionizing radiation and there are no known side effects.
Will the scan be painful?
No, you should not feel any pain during this test. You may feel some mild discomfort and may feel embarrassed. The person performing you scan will do everything they can to maintain your dignity and respect throughout your appointment.
You can stop the scan at any time.
Consent
The Radiologist or Sonographer performing your scan will explain the procedure to you and answer any questions that you have. When they are sure that you understand the procedure you will be asked to sign a consent form.
Do I need to bring anything with me?
No. You will be provided with a hospital gown to change into for your appointment. We suggest that you do not bring any valuables with you when you attend for your scan.
Preparation
There is no special preparation to follow before your appointment. However, it would be helpful and more comfortable for you if you could pass urine and have opened your bowels before attending the scan.
When you arrive
Please note: We ask that you arrive 10 minutes before your appointment time. If you do not arrive in good time, your appointment may need to be rescheduled.
When you arrive in the department please report to the ultrasound reception desk where your details will be checked and you will be asked to take a seat in the waiting area.
Shortly before your scan, a member of the scan room staff will ask you to change into a hospital gown. You will be given a property bag to keep your belonging in, please keep this with you at all times. You may leave your underwear on whilst in the waiting room.
Who performs the scan?
The scan is performed by a Radiologist or Sonographer. The Radiologist or Sonographer will explain the procedure to you. Please do not hesitate to ask any questions that you may have.
Who is present during the scan?
In addition to the radiologist and/or sonographer, there may be a healthcare assistant helping with the scan list. Student sonographers and other clinical staff undergoing training may be present in the room. If you would prefer them not to be present, please inform a member of staff at the start of your scan.
If you wish to have a chaperone present for the scan, please inform staff at the time of your scan.
What happens during the scan?
The scan will take approximately 5 minutes. You will be asked to lie on the examination couch on your tummy or on your left side. The ultrasound transducer covered with a clean protective cover and lubricating gel, will be inserted into your anus (back passage). The operator will assess the area and store images for later review.
What happens after the scan?
There is no required aftercare. Following the scan you may leave the department and eat and drink as normally.
How do I get my results?
You will not be given the results on the day of your scan. The scan will be reviewed and reported by the Doctor or Sonographer who scanned you. The report will be sent to the consultant who referred you for a scan and the result will be discussed with you at your next clinic appointment.
If you do not have a follow up appointment you may need to contact the referring clinic to arrange follow-up.
Contact information
Imaging Department 1st Floor, Lift Bank D Chelsea and Westminster Hospital 369 Fulham Road London SW10 9NH
Hours: Mon–Fri, 9am–5pm
If you need to change your appointment date or time, or if require an interpreter for your examination, please contact the booking team on 020 3315 2785/3.
