Long Term Follow Up of Reduction Mammoplasy using Inferior Pyramidal Dermal Technique.

Han, Kihwan; Won, Dongchul; Kim, Hyunji; Son, Daegu; Kim, Junhyung

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Original Article

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2004;31(2):173-179.
Published online March 1, 2004.

Long Term Follow Up of Reduction Mammoplasy using Inferior Pyramidal Dermal Technique.

Kihwan Han, Dongchul Won, Hyunji Kim, Daegu Son, Junhyung Kim

Department of Plastic and Reconstructive Surgery, Keimyung University School of Medicine, Taegu, Korea. khh@dsmc.or.kr

Abstract

The inferior pyramidal dermal technique has many advantages in various reduction mammoplasty procedures. It has been possible to increase the amount of breast tissue removed, which enhances the quality of the final result. However, the main disadvantage of this method is the large and long reverse T scars, particularly in Asian women. Twenty breasts of 10 patients, who underwent an operation by the inferior pyramidal dermal technique with several modification from March 1989 to March 2001 were followed up. The mean age was 35 and the mean follow up period was 5.5 years. The mean resection amount was 692 gm per breast. In order to prevent a boxy breast, the inferior margin of the medial flap had a gentle curve, and the lateral flap had a "lazy S" contour. A small triangle of the skin was leaved with its base on the inframammary fold to relieve the T-junctional tension. In order to ensure nipple projection, the skin was deepithelialized at the recipient site for the relocated nipple-areola complex and 2 cm around areola. Because the vascular supply to the nipple-areola complex of the pyramidal flap was derived from the intercostal perforating vessels, the full-thickness removal of the skin from the pyramidal flap was made to reduce the operation time. A sufficient parenchyma resection beneath the lateral flap was performed to minimize a boxy breast. A postoperative hyperpigmented scar became light after 2 years and was inconspicuous after 3 years. An immediate postoperative boxy breast was noticed. However, it has been observed that there was gradual increase in the distance from the inframammary fold to the areola, because of the descent of the breast parenchyma due to gravity, along with the displacement of the nipple-areola complex superiorly. It is believed that this problem can be overcome by pedicle trimming, medial and superior fixation sutures with the nipple areola complex 1-2cm being situated below the expected position.

Keywords: Reduction mammoplasty; Inferior pyramidal dermal technique

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