Achieving Breast Symmetry in the Delayed-Immediate Breast Reconstruction Patient

By: Dr. Steven Pisano

Blogs
December 10, 2012

In my last blog we discussed the topic of breast reconstruction in the setting of prophylactic mastectomy for breast cancer prevention for women carrying one of the BRCA gene mutations. In this circumstance it is generally relatively easy to achieve symmetry of size and shape of the reconstructed breasts (notice I qualified this statement with the word relatively) . We, or the general surgeon performing the mastectomies, can leave the skin envelope of the breast thicker; we can stay within the footprint of the breast, especially respecting the inframammary fold; nipple-areola sparing mastectomies can be performed. All of these factors contribute to symmetry of size and shape.

In contrast to the above scenario, the surgeons of PRMA are frequently confronted with the breast cancer patient who requires a prophylactic mastectomy on one side (again, the relatively easy reconstructive situation) and a delayed reconstruction on the other. Here the mastectomy has already been done on the cancer side. Often the mastectomy has been “aggressive”, meaning a significant portion of the breast skin envelope has been removed and the overall footprint of the breast - including the inframammary fold, lateral (outer) breast-chest wall border, and superior (upper) breast-chest wall boundary - has been destroyed. In many cases the mastectomy has been followed by radiation therapy. Radiation makes the remaining skin envelope tight, firm, dry, hyperprigmented (reddish-brown to dark brown), and tethered to the chest wall. The mastectomy-radiation defect is by definition a severe defect; reconstructions in this setting are challenging.

Achieving symmetry of size and shape is difficult in the delayed-immediate reconstruction patient. The delayed-immediate reconstruction patient is generally not an expander-implant candidate, at least not on the delayed reconstruction side; the delayed-immediate patient usually receives an autologous (meaning from the patient) tissue reconstruction, most commonly with the DIEP flap. We almost never perform an implant reconstruction in the setting of chest wall radiation. The delayed side requires more skin replacement (often some of the irradiated skin must be excised, making the skin requirement even greater) and more volume. The boundaries of the breast must be restored. Because radiation makes the native breast and chest wall skin tight and tethered it is difficult to achieve the proper amount of projection – that is, the height of the breast off the chest wall in profile view – compared to the immediately reconstructed breast, which has the soft, elastic native breast skin.

The surgeons of PRMA employ a variety of strategies in an effort to overcome the challenges of the delayed-immediate breast reconstruction patient. We make the flap for the delayed side larger and include more skin from the abdomen; we attempt to restore the proper boundaries of the breast; the flap to the immediate side may be smaller. Then, at the second stage operation, we will add volume to the delayed side in the form of autologous fat graft; fat grafting can also help us restore the transition area between the chest wall and breast in the upper and inner areas.

These strategies usually enable us to achieve reasonably good symmetry between the delayed and immediate sides; however, it is important to recognize that in most patients some asymmetry will persist, and in some patients, albeit a relative minority, the asymmetry will be quite pronounced. A high degree of satisfaction is very difficult to achieve in this last group. In my 18 years of experience involving literally thousands of flap reconstruction procedures I have found that the delayed-immediate reconstruction patient is usually less pleased with the reconstruction outcome than the bilateral (double) immediate or bilateral delayed patient.

Additional fat grafting to the delayed side and/or placement of an implant under the DIEP flap may be possible and may help (of note, in our experience at PRMA we have found that the major insurance carriers for this geographic area will not cover these adjunctive procedures; alternatively, carriers may cover them for other practices in different, neighboring practices).

The key to reaching a satisfactory outcome in the delayed-immediate breast reconstruction patient is for the surgeon to set – and for the patient to understand and accept – reasonable expectations. We will likely not achieve perfect symmetry of size and shape, but we likely will end up with an attractive reconstructed breast on the delayed side. With this expectation met, we can restore a sense of wholeness to the delayed-immediate breast reconstruction patient.

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1 Comment

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  • PRMA

    Detailed and straightforward explanations, Dr. Pisano, are part of PRMA’s practice that lead to informed patients. Great blog with valuable information. Thanks much!

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