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KMID : 1037220190250040137
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Archives of Aesthetic Plastic Surgery
2019 Volume.25 No. 4 p.137 ~ p.141
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Factors affecting mastectomy specimen density in direct-to-implant breast reconstruction
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Yi Hyung-Suk
In Seok-Kyung
Kim Ho-Sung
Park Jin-Hyung
Kim Hong-Il
Jeon Chang-Wan
Kim Hyo-Young
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Abstract
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Background: Direct-to-implant breast reconstruction following nipple-sparing mastectomy is becoming increasingly common. The weight of the breast specimen informs implant selection. However, specimens of the same weight may have different volume. Therefore, identifying the factors affecting the density of breast specimens may facilitate the selection of implants with an appropriate volume.
Methods: From December 2015 to May 2018, 108 patients underwent direct-to-implant reconstruction following nipple-sparing mastectomy. The weight of the breast specimens was measured using an electronic scale in the operating room. Furthermore, the volume of specimens was measured using the water displacement technique. Multiple regression analysis was performed on factors that can affect breast density, such as menopause, neoadjuvant chemotherapy (CTx), age, body mass index, and diabetes mellitus.
Results: The average density of breast specimens in patients older than 50 years (n=36) was 0.96±0.04 g/mL, which was significantly lower than the 1.01±0.08 g/mL observed in patients younger than 50 years (n=72) (P=0.007). The mean density of breast specimens in patients who underwent neoadjuvant CTx (n=25) was 0.96±0.06 g/mL, which was significantly lower than the value of 1.00±0.08 g/mL in those who did not (n=83).
Conclusions: It is advisable to select an implant slightly larger than the mastectomy specimen weight in patients older than 50 years or in those who have undergone neoadjuvant CTx.
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KEYWORD
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Breast density, Mammaplasty, Breast implants
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