Preservation of the skin envelope and the inframammary fold is the main factor in achieving breast symmetry in unilateral reconstruction. Skin sparing mastectomy (SSM) type-IV followed by immediate autologous reconstruction and contralateral symmetrization permits realizing this goal in large, ptotic breasted patients, and tumor superficially located in the inferior quadrants. If the tumor is superficially located in the superior or inferior quadrants with a previous lumpectomy or quadrantectomy scar in the superior quadrants, modified radical mastectomy and a staged procedure are recommended to avoid poor cosmetic results. Two patients who underwent immediate autologous reconstruction following SSM type-V with contralateral symmetrization in a one-stage procedure are presented.
Keywords: Autologous tissue reconstruction, breast symmetry, deep inferior epigastric perforator flap, single-stage breast reconstruction, wise-pattern mastectomy
Skin-sparing mastectomy type-IV (SSM-IV), followed by immediate autologous reconstruction, and a simultaneous contralateral procedure is an ideal technique for large, ptotic-breasted patients with tumor located in the inferior quadrants (IIQQ). However, if the tumor is located in the superior quadrants (SSQQ) or IIQQ with a prior lumpectomy or quadrantectomy scar in the SSQQ, SSM-IV is contraindicated. In these cases, tumor resection interferes with wise-pattern (WP) skin flaps, and a modified radical mastectomy is instead recommended. As a result, a contralateral procedure to achieve symmetry becomes a complex, multifactorial decision, and a staged procedure may be preferred to avoid a poor cosmetic result. This report presents two patients who underwent simultaneous contralateral mastopexy during unilateral SSM-V, followed by immediate deep inferior epigastric perforator (DIEP) flap reconstruction, as a complete single-stage procedure for upper quadrant skin and tumor resection.
A 56-year-old non-smoking woman was diagnosed with phyllodes tumor located deeply to IIQQ of her right breast. Medical history included repeated excisions of lumps and a superior-lateral quadrantectomy of the right breast. She had large (C bra-cup), ptotic (second-degree) breasts with a mid-clavicular to nipple distance of 28 cm. She underwent a right SSM-V, axillary lymph-node dissection and immediate reconstruction with a 13 cm × 21 cm de-epithelialized DIEP flap. Her nipple areola-complex (NAC) was grafted, and a simultaneous contralateral mastopexy was performed. The postoperative course was uneventful, and no complications were observed at the DIEP flap, SSM-V skin flaps, contralateral mastopexy, or and to the abdominal donor site. Breast symmetry of shape and size was achieved [Figures 1 and 2]. Neither surgical revision nor secondary procedures were required at her 20 months follow-up.
Figure 1: Case 1. A 56-year-old non-smoking woman with phyllodes tumour (black dot) located in inferior-lateral quadrant of the right breast and a previous quadrantectomy scar in the upper right pole. (a) Preoperative markings; (b) pre- and (c) postoperative frontal viewClick here to view
Figure 2: Case 1. (a) Pre- and (b) postoperative oblique viewClick here to view
A 46-year-old non-smoking woman, with large (C bra-cup), ptotic (second-degree) breasts and mid-clavicular to nipple distance of 29 cm, underwent a right SSM-V with axillary lymph-node dissection for a ductal carcinoma located in the superior-lateral quadrant, followed by immediate reconstruction with a 12 cm × 18 cm de-epithelialized DIEP flap. Her NAC was grafted, and a contralateral mastopexy was performed in the same session. The postoperative course was uneventful. No complications were observed in the DIEP flap, SSM-V skin flaps, contralateral mastopexy or at the abdominal donor site. Breast symmetry of shape and size was achieved [Figures 3 and 4]. Neither surgical revision nor secondary procedures were required at follow-up of 16 months.
Figure 3: Case 2. A 46-year-old non-smoking woman with a ductal carcinoma located in superior-lateral quadrant of the right breast. (a) Pre- and (b) postoperative frontal viewClick here to view
Figure 4: Case 2. (a) Pre- and (b) postoperative oblique viewClick here to view
In unilateral breast cancer, the aesthetic quality of the reconstruction is also judged on the basis of symmetry of shape and size with the opposite breast. This often requires simple adjustments achieved by contralateral breast reduction, mastopexy or augmentation. Factors affecting the choice of surgical procedure for the contralateral side include the patient’s anatomic breast characteristics, the surgeon’s preferences, the patient’s desires, mastectomy type and reconstructive procedure.
The ideal time to perform symmetrization remains controversial due to the increased operative time and risk of complications with immediate reconstruction. Some argue that it is easier to adjust the opposite breast once the reconstructed breast has reached a stable shape, volume, and position and only after completion of any adjuvant therapy in order to avoid potential disadvantages.[3,4] In contrast, Stevenson and Goldstein observed that the combination of transverse rectus abdominus myocutaneous flap reconstruction and immediate contralateral symmetrization neither increased morbidity nor decreased aesthetic satisfaction. Losken et al. also confirmed superior aesthetic results with a simultaneous approach because the corrected opposite breast becomes the model for breast reconstruction rather than the other way around. In this context, the preservation of the skin envelope and inframammary fold is the key element to achieving an optimal shape and size with the opposite side during the initial surgery. SSM-IV, immediate autologous reconstruction and contralateral symmetrization represents an excellent single-stage procedure for large, ptotic-breasted patients with tumor located in IIQQ. Success of this procedure depends on WP application to both breasts that will lead to the same shape, projection and degree of ptosis since the preserved skin envelope is comparable between the two breasts.[7,8] Moreover, it saves the patient a second surgical procedure under general anesthesia with less psychological and emotional distress, while lowering operating room costs and time on waiting lists. The aim of this report was to illustrate how the same goal can be achieved in patients with large, ptotic breasts, but with tumor lying superficially in the SSQQ or deep to the IIQQ with a prior lumpectomy or quadrantectomy scar in the upper quadrants.
The reported procedure entails a modified WP-SSM for upper quadrant skin resection, as described by Santanelli et al.[9,10] followed by immediate DIEP flap reconstruction and a contralateral symmetrization procedure. With the patient in standing position the median breast line was marked and the new nipple position was located at 23 cm from the sternal notch, then the WP was marked bilaterally. The general surgeon drew the skin area to be removed with breast parenchyma on the affected side and the plastic surgeon applied a modified WP to plan the SSM-V, while a “standard” WP was used to perform a mastopexy or breast reduction on the opposite side [Figure 5].
Figure 5: Modified wise-pattern for upper quadrant skin resection (skin-sparing mastectomy type-V) was applied on the affected breast. Standard wise-pattern was used to perform mastopexy/reduction on the opposite side. Deep inferior epigastric perforator flap markings with a round skin paddle and the de-epithelialized area (pink color) of the flap. The round skin paddle can replace the nipple areola-complex (NAC) if intraoperative frozen sections are positiveClick here to view
While the general surgeon performed the SSM-V with axillary lymph-node dissection, the plastic surgeons harvested the DIEP flap, tailoring it according to the final desired contralateral breast size. The flap was then transferred to the chest wall and revascularized by end-to-end anastomoses to the circumflex scapular vessels. The NAC was harvested and grafted if intraoperative frozen sections were negative [Figure 6].
Figure 6: Scarring is comparable to the skin-sparing mastectomy type-IV with an additional equatorial scar located at the superior medial/lateral quadrant, which is less disfiguring when compared to a conventional mastectomyClick here to view
There are many advantages to this novel approach. By preserving the skin envelope and infra-mammary fold on the affected side using a SSM-V, the WP can be applied to perform a simultaneous contralateral symmetrization, allowing both NACs to be placed at the same position. Furthermore, by preserving the skin envelope on the affected side a natural-appearing breast is achieved especially after autologous tissue reconstruction. Scarring is comparable to the SSM-IV with an additional equatorial scar located at the superior medial/lateral quadrant, which is less disfiguring when compared with a conventional mastectomy. Despite its surgical complexity, immediate DIEP flap reconstruction is the best chance for obtaining long-term symmetry because both breasts maintain natural ptosis and softness.[11,12]
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Conficts of interest
I myself Fabio Santanelli di Pompeo have submitted for publication on Plastic and Aesthetic Research a manuscript entitled: “A novel approach to achieve breast symmetry in a single-stage procedure”. I, hereby certify, that to the best of our knowledge no financial support or benefits have been received by me or any co-author, by any member of my (our) immediate family or any individual or entity with whom or with which I (we) have a significant relationship from any commercial source which is related directly or indirectly to the scientific work which is reported on in the article.
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