Breast Implant Malposition

One of the most common complications after breast augmentation surgery is implant malposition.

About Breast Implant Malposition

Malposition occurs when the implant is in an incorrect position on the chest wall. This may include incorrect position of the implant.

Common Breast Implant Malpositions

Two common malpositions are: medially ("symmastia or uni-boob") and inferiorly ("bottoming out").

Symmastia (or medial mal-position or "uni-boob")

Occurs when the breast implants move too far toward the mid-line. The two implants may actually touch one another in the center of the chest. If the horizontal muscle that is connected to the sternum and goes across the implant is cut during surgery, then the implant can move toward the middle of the chest.

Symmastia may result from overly aggressive attempts to alter chest wall anatomy trying to increase cleavage for patients. This outcome is made worse by use of larger implants in thin patients, and is a problem for implants over or under the muscle, though sub-muscular implant placement allows the muscle to provide some softening of the transition to the cleavage area from the augmented breast mound.

Correction involves use of internal sutures of the capsule around the breast implants. Often, it is necessary to expand the breast implant pocket laterally (outwardly) to allow for correct placement of the implants.

Implant mal-position Implant mal-position

Implant mal-position

Specific dressings and bra are used to reinforce the repair. The bra that is worn after symmastia repair is referred to as the "thong bra". It is used to stabilize the area after symmastia reconstruction. This will allow the sutured area between the breasts to heal properly without excessive pressure being applied to the area.

Bottoming Out

Bottoming out involves inferior migration of the implants. This causes the nipple areola complex to appear too high on the breasts. Also, the distance from the areola to the inframammary fold is too great. This is corrected by "raising" the inframammary fold using internal sutures. This is done after careful measurements are made from the areola to the "new" inframammary fold.

Implant mal-position Implant mal-position
Implant mal-position Implant mal-position
Implant mal-position Implant mal-position
Implant mal-position Implant mal-position
Implant mal-position Implant mal-position

Reviewed September 2016

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