Reduction Mammaplasty and Mastopexy: General Considerations



Reduction Mammaplasty and Mastopexy: General Considerations


Dennis C. Hammond



Introduction

Reduction mammaplasty and mastopexy are two distinct yet interrelated procedures that share many points in common. Both operations result in lifting of the nipple and areola, reduction of the breast skin envelope, and generally an overall improvement in the shape of the breast. As a result, these goals are accomplished for both procedures using similar operative strategies. While recognizing these similarities, it is important to note that the major focus of breast reduction is to reduce the volume of the breast, whereas mastopexy is generally intended to lift and reshape the breast with little or no breast volume change. Typically, the aesthetic concerns in mastopexy are generally more demanding than those in breast reduction. Understanding the basic elements of each procedure is key to developing a successful operative plan that provides the best results possible and yet minimizes potential complications.


Operative Goals: Reduction

Many different and varied techniques for breast reduction have been described. Several of these procedures have come to be known simply on the basis of the name of the physician who described the operation. In addition, many of these procedures have variably overlapping technical details, all of which can create confusion when attempting to evaluate published results. To assist in organizing and evaluating the multiple techniques of breast reduction, it is helpful to realize that any procedure designed to accomplish breast reduction must consist of the following four interrelated elements: preserving the nipple-areola complex (NAC) blood supply, removing the redundant parenchyma, removing excess skin, and shaping the breast. Understanding how the technical details of each individual procedure satisfy these four cardinal elements allows us to group the various procedures to be grouped. For instance, the superior pedicle procedures can be contrasted with the inferior pedicle procedures. With this as an organizational framework, direct comparison of the different techniques is facilitated and results in a better understanding of these various operations.


Nipple-Areola Complex Vascularity

Inherent in any breast reduction procedure is a strategy to preserve the blood supply to the NAC. Because the vascularity to the NAC has many different and overlapping sources, almost any pedicle can be fashioned to maintain the viability of the NAC after breast reduction. Common variations include the superior pedicle (1,2,3), inferior pedicle (4,5), lateral pedicle (6), superomedial pedicle (7), central pedicle (8), vertical bipedicle (McKissock) (9,10), and horizontal bipedicle (Strombeck) (11). Each operative strategy facilitates resection of excessive breast parenchyma while maintaining a healthy blood supply to the NAC.


Excision of Excess Parenchyma

Once the pedicle has been designed, the redundant breast parenchyma is removed from around the pedicle. Typically, this removal takes on the shape of a horseshoe centered on the pedicle. Although many surgeons remove this tissue en bloc, others remove it in sections such that side-to-side comparison can ensure that symmetric removal is accomplished. In addition, removal in segments allows regional identification of any problem areas that may show up later on pathologic examination. If further tissue resection is required, knowledge of which segment of breast tissue was involved can help guide subsequent operative planning.


Skin Envelope Reduction

To accommodate the new and reduced volume of the breast, the skin envelope surface area must also be reduced. Although many different patterns have been described, it is the location and length of the cutaneous scar that come to define the ultimate result. The classic method to manage the skin envelope results in an inverted-T scar pattern (8). More recently, other “short-scar” strategies have been described that limit the scar to the periareolar area and then variably down to the inframammary fold (13,14,15,16,17,18,19,20). Understanding the advantages and disadvantages of each skin envelope management strategy is important in appropriate patient selection.

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Sep 23, 2016 | Posted by in Reconstructive surgery | Comments Off on Reduction Mammaplasty and Mastopexy: General Considerations

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