Breast Implants and Ultrasound Monitoring
What ultrasound shows about implant integrity, how silent rupture is picked up, and when a scan is the right next step rather than a wait-and-see.

Implants are not lifetime devices. They can rupture, the capsule of scar tissue around them can tighten, and fluid can collect — usually without warning signs you would notice. Ultrasound is the practical first-line test for checking them: no radiation, no injection, and a clear view of the implant shell in a 30-minute appointment.
What the scan assesses
Implant integrity. Silicone rupture is often silent — the shell fails but the surrounding capsule holds the gel in place, so the breast looks and feels unchanged. Ultrasound picks up the characteristic appearances of a failed shell. Saline implants behave differently: rupture is usually obvious because the implant visibly deflates.
The capsule. Scar tissue forms around every implant. When it tightens it causes firmness, distortion and sometimes pain — capsular contracture. Its diagnosis is largely clinical, but the scan adds useful detail.
Fluid and other collections. A little fluid around an implant is common and often harmless. A significant or new collection, particularly years after surgery, is something to characterise properly rather than dismiss.
The rest of the breast. Implants do not exempt breast tissue from the usual questions — lumps and lymph nodes are assessed in the same appointment.
Where MRI beats ultrasound
For assessing silicone implant integrity specifically, MRI is the more sensitive test, and it is the one used when the question has to be settled definitively before surgery. Ultrasound is the practical first step: quicker to get, cheaper, no contrast, and enough to answer the question in many cases.
So the honest position is: if ultrasound shows a clear rupture, that is usually actionable. If ultrasound is normal but symptoms or clinical concern persist, MRI is the next test, and your surgeon or GP arranges it. We do not offer MRI at IUS London, and we will tell you when it is what you need.
When to get implants checked
A change you can feel or see. New firmness, a change in shape or position, a lump, swelling, or pain that is new and persistent — all reasons to have it looked at rather than monitored at home.
Time since surgery. Rupture risk rises with implant age. Manufacturers and surgeons typically suggest periodic checks rather than a fixed universal interval; your implanting surgeon’s advice for your specific device is the guide.
Peace of mind about older implants. If yours are a decade or more old and you have no idea what state they are in, a scan is a reasonable way to find out.
Some changes need a doctor, not just a scan
Sudden marked swelling of one breast, spreading redness with fever, or a new lump should go to your GP or your implanting surgeon promptly. A scan can form part of that assessment, but these situations need a clinical review alongside it — and a rare condition affecting the capsule around textured implants is one reason new late swelling is always taken seriously.
How the appointment runs
- 1
Tell us what you haveImplant type if you know it, roughly when they were placed, and what has changed. Any paperwork from your surgery helps but is not essential.
- 2
The scanWarm gel and a small probe over both breasts and armpits, with the implant shell examined systematically. 30 minutes, no preparation, no referral needed.
- 3
ResultsExplained on screen as we scan, with the written report usually with you within two hours — written for your surgeon or GP to act on.
- 4
Next steps if neededIf the finding calls for MRI or a surgical opinion, we say so plainly. Decisions about replacement or removal belong with your surgeon.
Your questions answered
Can ultrasound detect a ruptured implant?
What is a silent rupture?
How often should implants be checked?
Will the scan tell me if I need my implants replaced?
Can I still have a mammogram with implants?
Is the scan uncomfortable with implants?
Where to go from here
Lumps, pain and changes — and which need your GP first.
Read the guide →
CompareUltrasound vs Mammogram vs MRIWhat each test sees, and which one answers your question.
Read the guide →
TypesScreening vs DiagnosticTwo different jobs, and which one you actually need.
Read the guide →
Find out what state they are in
Implant shell, capsule, any fluid collection and the surrounding breast tissue assessed in one 30-minute appointment — explained on screen as we scan, with the written report usually within two hours for your surgeon.
Kensington, London W8 4ED
3 mins from Notting Hill Gate
This article is general information about breast implants and imaging, not individual medical advice. Decisions about implant replacement or removal belong with your implanting surgeon, and new breast changes should be assessed by your GP — see NHS guidance on breast cancer and attend breast screening when invited. We do not offer MRI, mammography or biopsy at IUS London.
Written and clinically reviewed by the HCPC-registered sonographers who perform this scan at IUS London — a CQC-registered diagnostic ultrasound clinic (Provider ID 1-2775844974). Your own findings are explained to you at the scan and set out in your report.
Author: Yianni Kiromitis, Senior Sonographer, HCPC RA38415 — over 20 years’ experience in NHS and private ultrasound
Medically reviewed: 9 August 2026