Latissimus Dorsi Flap

Your latissimus dorsi muscle is located in your back, just below your shoulder and behind your armpit. It's the muscle that helps you do twisting movements, such as swinging a racquet or golf club. An oval flap of skin, fat, muscle, and blood vessels from your upper back are used to reconstruct the breast in a latissimus dorsi flap procedure. This flap is moved under your skin around to your chest to rebuild your breast. The blood vessels (artery and vein) of the flap are left attached to their original blood supply in your back. Because the flap contains a significant amount of muscle, a latissimus dorsi flap is considered a muscle-transfer type of flap.

While the skin on your back usually has a slightly different color and texture than breast skin, latissimus dorsi flap breast reconstruction usually looks very natural.

Because the donor site for the latissimus dorsi flap is closer to the chest than the donor sites for abdominal tissue flaps, and because the blood vessels in the back are usually strong, the latissimus dorsi flap may be a good reconstruction choice for women who are not good candidates for TRAM, DIEP, or SIEA flaps because of diabetes or other circulatory disease, or for women who smoke, or who plan to become pregnant.

The latissimus dorsi flap is a good option for women with small- to medium-size breasts because there's usually not much fat on this part of the back. If you have larger breasts and your doctor recommends latissimus dorsi flap reconstruction because of your unique situation, you'll probably need a saline or silicone implant to achieve your desired size.

A latissimus dorsi flap procedure leaves a scar on your back, but most surgeons try to place the incision so the scar is covered by your bra strap. Also, because a latissimus dorsi flap doesn’t involve abdominal surgery like the TRAM, DIEP, and SIEA flaps, the surgery is less involved and your recovery time is usually shorter.

While the latissimus dorsi flap can offer good results with few complications, it does have some drawbacks:

  • You may have partial loss of strength or function that makes it hard to lift things and twist. This can affect your ability to perform certain swimming, golf, or tennis strokes, or turn and manipulate objects.
  • If they have an implant along with a latissimus dorsi flap, some women say the implant feels firmer than the tissue in front of it.
  • The fat around the latissimus muscle is stiffer than fat that comes from the belly area, so some women say that their latissimus dorsi reconstructed breast feels "tighter" than their other breast.

Learn more about latissimus dorsi flap reconstruction on these pages:

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