Michael Keyes, M.D.

Breast implants: what actually changes when you go over or under the muscle?
The pocket changes the tissue covering the implant and how the breast may behave when your chest muscle contracts.
I look at coverage, movement and skin shape together. A thin upper breast may benefit from added coverage. Frequent chest training brings a different priority into the conversation. Significant drooping may need a lift as part of the plan.
And “over the muscle” has two meanings: subglandular sits above the fascia; subfascial sits beneath that thin muscle covering. Dual plane combines upper muscle coverage with lower breast-tissue coverage.
Swipe through the anatomy and a study of 40 augmentation patients, then comment COVER for my illustrated guide, Under the Surface. It adds the pocket atlas, training trade-offs and a closer look at how to compare two surgical recommendations.
Save this for your breast augmentation consultation.
Michael Keyes, M.D. | Celebrity Plastics®
Miami Beach | Call or text (305) 564-7007
Celebrity Plastics | Luxury Plastic Surgery & Medspa | Miami Michael Keyes, M.D. | Board-Certified Plastic Surgeon | Miami
Selected sources: Tebbetts, Plastic and Reconstructive Surgery, 2001; Spear et al., Aesthetic Plastic Surgery, 2009; Graf et al., Plastic and Reconstructive Surgery, 2021; ASPS patient education. Full sources and study limitations are in the guide.
Educational only, not medical advice. Created with the assistance of AI. Illustrations are teaching models, not patient results. An examination is needed to discuss your options.

Do breast implants have to be replaced every ten years? No. But the ten-year number is not made up either, and here is where it comes from.

The FDA’s boxed warning says implants are not lifetime devices, and the longer you have them, the more likely you are to need another operation. Its 2011 review found as many as one in five augmentation patients had implants removed within ten years. Read the other side of that: four in five did not. In the longest core study, 81.8 percent still had an original implant in place at ten years.

What actually sends implants back to surgery is capsular contracture (about 12 to 19 percent by ten years), rupture (9 to 24 percent depending on the device and how hard the study looked), and most often, simply wanting a different size or shape.

The check you cannot do yourself is silent rupture. For silicone implants with no symptoms, FDA recommends an ultrasound or MRI at five to six years, then every two to three years.

At ten years you have three real options: keep them with imaging, exchange them (often with a lift), or remove them, with or without a lift or fat transfer. Removal alone leaves the breast flatter or droopier than before, so that is planned for, not discovered. And the capsule does not always have to come out: it is required for confirmed BIA-ALCL, and case by case for everyone else.

I put the full numbers, the imaging schedule and the questions worth asking into a guide called The Decade Myth. Comment DECADE and I will send it straight to your DMs. Save this post if you found it helpful.

Educational only, not medical advice. Individual decisions belong with your surgeon after an examination and imaging.

Implants do not lift a breast. That sentence saves more women from the wrong operation than anything else I say in a consultation.

Here is the check surgeons use. Stand unsupported and look at where the ni**le sits against the crease under the breast. Above the crease, no lift is needed and the only question is volume. At the crease, it is borderline, and this is where surgeons disagree. Below the crease, a lift is the answer, and an implant alone will not raise it. It tends to make the droop worse over time.

An implant adds. A lift moves. When a breast has both dropped and emptied, the conversation is a lift with implants, and then the real question is one operation or two. That decision comes off a tape measure: skin stretch, ni**le-to-fold distance on stretch, and how much skin has to come out.

The honest numbers: across 4,856 combined cases, about 1 in 10 was reoperated. Staging guarantees a second operation. Combining trades that certainty for a 1 in 10 chance of one.

And one more thing the study that checked found: breastfeeding did not cause the sag. Age, pregnancies, weight loss, body weight, cup size and smoking did.

I put the whole decision, the grading, the measurements, the revision figures and twelve questions to bring to any consultation into a guide. Comment LIFT and it lands in your DMs.

🖋️Dr. Michael Keyes

Educational only, not medical advice. Every case is examined individually.

BREAST REDUCTION: why a circle, a lollipop and an anchor do different jobs.

The incision pattern is part of how I tailor the skin around your new breast shape. Choosing it involves more than deciding how much smaller you want to be.

⭕ PERIAREOLAR
Mainly for modest ni**le-ar**la repositioning in selected mild cases. Its ability to reshape the lower breast or address substantial excess skin is limited.

🍭 VERTICAL
Adds an incision from the ar**la to the breast crease. That gives me more room to reshape the breast mound and tailor the lower skin envelope.

⚓ WISE PATTERN
Adds an incision along the breast crease, allowing more extensive skin tailoring when there is a larger skin envelope.

Here’s the detail patients often miss: the degree of drooping alone doesn’t choose your pattern. Skin elasticity, the amount of excess skin, breast proportions and your desired size all help shape the plan.

I typically use a superior medial pedicle internally and select the skin pattern separately to suit your anatomy.

Comment “RELIEF” and I’ll send you Lighter by Design, my illustrated breast reduction guide. See the incision options, understand the different degrees of drooping, and learn why similar-looking breasts may need different approaches.

Save this post if you found it helpful.

Celebrity Plastics | Luxury Plastic Surgery & Medspa | Miami · Michael Keyes, M.D. | Board-Certified Plastic Surgeon | Miami
Miami Beach, Florida

Sources: Wong, Vucovich and Rohrich, PRS Global Open, 2014; Brown, Siy, Khan and Izaddoost, Seminars in Plastic Surgery, 2015. Linked bibliography in the guide.

Images show AI-generated anatomical teaching models, not patients or surgical results. Individual results vary.