Implant Safety — Medical Information
Macro-Textured Implants & BIA-ALCL
What You Need to Know If You Have Textured Implants
Since 2011, cases of a rare lymphoma — BIA-ALCL — have been reported in women with macro-textured breast implants. This topic has raised significant concern. This article provides clear, evidence-based information grounded in ANSM guidelines and scientific consensus.
Key message: BIA-ALCL is a rare, treatable, and curable condition in the vast majority of cases when detected early. Do not panic — but do not ignore warning signs.
What Is BIA-ALCL?
BIA-ALCL (Breast Implant-Associated Anaplastic Large Cell Lymphoma) is a rare T-cell lymphoma that develops in the fluid or fibrous capsule surrounding the breast implant — not in the breast tissue itself. It is therefore not breast cancer.
It has been linked primarily to breast implants with a macro-textured surface, in particular Allergan's Biocell surface (withdrawn from worldwide markets in 2019) and certain Mentor Siltex surfaces.
In France, the ANSM has recorded several hundred cases since surveillance began. Globally, the estimated risk varies across series from 1 case per 1,000 to 1 case per 30,000 women with macro-textured implants.
Key Facts
- Type
- T-cell lymphoma (not breast cancer)
- Implants involved
- Primarily macro-textured
- Average time to onset
- 8 to 10 years after placement
- Prognosis if localised
- Excellent (>90% cure rate)
- Treatment
- Implant removal + capsulectomy
Warning Signs: When to See a Doctor
If you have macro-textured implants, watch for the following signs and seek prompt medical attention if any appear:
⚠ Sudden swelling of one breast
Rapid onset of asymmetry or increased volume in one breast, typically occurring years after placement. This is the most common sign (late seroma).
⚠ Pain or sensation of tightness
Unusual discomfort around the implant, different from normal post-operative sensitivity.
⚠ Palpable mass
A nodule or thickening in or around the capsule, distinct from the implant itself.
⚠ Change in breast contour
Unusual change in the shape of one breast not related to weight change or body position.
What to Do If You Have Macro-Textured Implants
Do not panic
The absolute risk of developing BIA-ALCL remains low. The vast majority of women with macro-textured implants will never develop this condition.
See your surgeon
Annual follow-up with your plastic surgeon is recommended. They can assess the state of your implants and advise you based on your personal situation.
Know your implants
Locate the implant card provided at the time of your surgery. It shows the brand, model, and surface of your implants. If you cannot find it, your surgeon may be able to access this information through the implant registry.
Seek urgent care if symptoms appear
If you notice sudden swelling of one breast (late seroma), see your surgeon within a few days. A breast ultrasound and aspiration of the fluid will be performed for analysis.
Do not remove implants without medical advice
Preventive removal is not recommended in the absence of symptoms. If you nonetheless wish to switch to smooth implants, discuss this with your surgeon.