Revision Breast Surgery after Implants - Managing the Pocket and Intra-operative Decision Making

This case comparison highlights an essential reality in revision breast surgery - poor initial planning, missing documentation, and suboptimal practices can, and does happen, even locally in Singapore. The lesson for patients remains the same as with any surgery, to ask direct questions, understand options, and know what documentation and surgical standards you are entitled to.

When managing long-term breast implant complications, surgeons are often faced with critical decisions such as whether we can safely adjust and reuse an existing pocket, and when does structural failure demand a complete anatomical reset?

Case 1: Missing Documentation, Volume Mismatch, and Pocket Resizing

Background

A patient with bilateral breast cancer had undergone mastectomy and direct implant reconstruction on both sides. One was done over ten years ago, the other approximately five years ago. She presented with ultrasound findings suggestive of an intra-capsular rupture on the older side.

The more recent side had clear documentation. The older side, however, had no operative note, no implant card, and no record of what had been placed or in what plane. Unfortunately, this is not uncommon and can still be managed, but it does impact upon revision surgery planning.

Intra-operative Findings & Pocket Adjustment

Upon explantation through the mastectomy scar, the implant was revealed to be a 640cc anatomical (gummy bear) implant (see picture below) placed subpectoral (under the muscle). This was a nearly 60% volume discrepancy compared to the contralateral side, with zero documented rationale. The weight of this implant over a decade had most likely stretched the pocket chronically .

Intra-operative photos from Case 1, where the removed implant is shown to be 640 cc (red arrow) and largely intact. There was some silicone leakage but this was minimal (not shown).

Intra-capsular rupture was confirmed with a small amount of gross silicone spillage. After a thorough washout, the pocket geometry was addressed:

• A sizer was placed to evaluate pocket width.

• The lateral pocket wall was downsized (capsulorrhaphy) by almost 3 cm in preparation for the definitive implant

• As the muscle remained functional and the silicone leakage was minimal and contained within the capsule, I made the decision to reuse the same subpectoral pocket after downsizing it

Case 2: Structural Muscle Failure, Unorthodox Practice, and Plane Conversion

Background

Our second case demonstrates how a series of questionable clinical decisions, and perhaps a lack of structural foresight, can result in total pocket collapse over a decade.

A patient underwent a mastectomy with immediate subpectoral implant reconstruction, combined with secondary fat grafting to, supposedly, blend and smoothen transitions. The fat grafting failed, leaving a prominent contour ridge. She subsequently underwent nipple reconstruction (which not unexpectedly, lost projection over time) and a nipple-areola complex (NAC) tattoo. This is where it gets interesting as the tattooing is usually done by a professional tattoo artist but no, it was done by the same surgeon. This resulted not only in the wrong colour choice, but the wrong position of the NAC. And the patient was made to pay out of pocket for it.

Ten years post-op, ultrasound confirmed a ruptured implant. Her situation was further complicated by logistical and financial hurdles: while coverage was approved for the implant exchange itself, securing full alignment for all the required structural and corrective procedures is not always possible, as comprehensive coverage for multi-faceted revisions is not guaranteed.

She also had a high-riding implant that was also almost certainly, a direct consequence of an initial subpectoral placement despite an upper pole skin pinch of >2 cm. Placing an implant under the muscle when soft tissue coverage is adequate often subjects the prosthesis to dynamic displacement and muscle animation deformities.

Intra-operative Findings & Reconstructive Overhaul

Incising through the old scar allowed simultaneous excision of the rippled, failed fat grafted area and the "botched" NAC tattoo. Inside, the structural compromise was severe:

1. Gross Silicone Spillage: The implant had suffered a major rupture, spilling free silicone throughout the pocket (see picture below).

2. Severe Muscle Retraction: The pectoralis major muscle had retracted all the way to the mid-capsule level, completely uncoupling from its anatomical origin on the chest.

3. Expanded, High-Riding Pocket: The deep subpectoral space was chronically distorted and extended to the sides too.

Intra-operative photos from Case 2, where the removed implant is shown to ruptured with gross spillage of silicone (red arrow). This was very extensive inside the body (not shown).

The Surgical Strategy

Unlike Case 1, this pocket could not simply be downsized. Attempting to force a new implant back into a ruined, silicone-tainted subpectoral space with a retracted muscle invites recurrent displacement and increases the risk of capsular contracture. A complete plane conversion was required:

• Decontamination: An anterior capsulectomy was performed alongside a copious washout to clear all extravasated silicone.

• Muscle Reset: The retracted pectoralis major muscle was dissected free fully, mobilised, and reattached directly to the chest wall to seal off the flawed subpectoral pocket.

• Structural Reconstruction: The inframammary fold (IMF) was formally reconstructed and the lateral wall closed down to narrow the overall size of the pocket.

• Prepectoral Conversion: Guided by sizers and the adequate upper pole skin pinch, the new implant was positioned in the prepectoral plane, restoring proper lower pole fullness and a more natural anatomical position.

Intra-operative Decision Making: Subpectoral vs. Prepectoral

Comparing these two cases highlights a fundamental principle in revision breast surgery after implants - intra-operative pocket size and contamination levels dictate the plane.

When a pocket is clean and structurally sound (like in Case 1), resizing the existing subpectoral space with sizers is an efficient, reliable solution. However, when muscle retraction, gross spillage, and pocket migration compromise the pocket (like in Case 2), one must be prepared to abandon the old plane, reattach the muscle to the chest wall, and convert to a prepectoral placement.

Anticipating these hurdles through careful preoperative clinical assessment, including evaluating soft tissue pinch and recognising signs of muscle displacement, is crucial so that when the unexpected occurs intra-operatively, the plan adapts seamlessly to deliver a safe, durable, and more symmetrical result.

What Else Was Considered

ADM (acellular dermal matrix) was discussed but not used due to the risks of seroma, infection and red breast syndrome (9.8% risk which increases with increasing patient age). Lateral pocket correction and IMF reconstruction can generally be achieved with the patient's own tissue, which is my preference. The implant is already a foreign body, so where the surgical goal can be achieved without adding another, that is my preferred approach.

For future planning, SIEF (Simultaneous Implant Exchange with Fat Grafting) is also a viable alternative for patients who do not want the long-term implications of implants. Implants are not permanent; they require monitoring, carry rupture risk, and will likely need revision further down the line. SIEF can also achieve comparable volumes of 300-400cc using the patient's own fat, with a lower risk profile and no ongoing maintenance burden. For the right patient, it can be a more sustainable solution.

Finally, autologous flap (DIEP etc.) reconstruction remains an option as that is the gold standard where sufficient donor tissue from the abdomen is available. It is a significant undertaking. But it raises a question worth sitting with: if microsurgical flap reconstruction was feasible from the beginning, why was it not the primary plan over a decade ago?

Takeaway

Surgical planning in revision breast surgery after implants cannot rely on a one-size-fits-all formula. Whether dealing with missing historical records and massive volume discrepancies or managing muscle retraction and gross silicone spillage, surgeon adaptability during surgery is key to a patient's long-term success.

For patients with concerns about existing breast implants, you can read more about breast implant complications and SIEF . For patients considering reconstruction after breast cancer, you can read more about implant-based and microsurgical breast reconstruction.

Written by Dr Ng Zhi Yang, UK & Singapore accredited Plastic Surgeon.

References

• Bae J, Sohn JY, Lee J, Cho J, Pyon JK. Early Onset Red Breast Syndrome: The Incidence, Risk Factors, and Clinical Outcomes in Prepectoral Direct-to-Implant Breast Reconstruction. Aesthet Surg J. 2025 Jun 16;45(7):673-682. doi: 10.1093/asj/sjaf035. PMID: 40323049.

• Del Vecchio DA. "SIEF"--simultaneous implant exchange with fat: a new option in revision breast implant surgery. Plast Reconstr Surg. 2012 Dec;130(6):1187-1196. doi: 10.1097/PRS.0b013e31826d9c3c. PMID: 23190803.

• Ohashi M, Yamakawa M, Chiba A, Nagano H, Nakai H. Our Experience with 131 Cases of Simultaneous Breast Implant Exhange with Fat (SIEF). Plast Reconstr Surg Glob Open. 2016 Apr 25;4(4):e691. doi: 10.1097/GOX.0000000000000601. PMID: 27200253; PMCID: PMC4859250.