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A comprehensive biomechanical material characterization of the human breast fibro-structural support system.

Journal of the mechanical behavior of biomedical materials 2026 Vol.175() p. 107283

Bhattarai A, Reece GP, Brock KK, Ravi-Chandar K

PMC 전문 ↗ 원문 ↗ DOI ↗

관련 도메인

유방 Breast 유방성형술 Mammoplasty

Abstract

Breast surgery for aesthetic purposes, such as breast augmentation or breast reduction, and breast reconstruction after cancer treatment require an accurate structural (anatomical) and mechanical (functional) understanding of the breast components, including the fascial-ligamentous support system of the breast, to achieve optimal results. This paper aims to provide a comprehensive description of the mechanical behavior of the ligamentous and fascial connective tissues of the human female breast. Fasciae and ligaments obtained from 17 patients between 35 and 85 years of age who were undergoing mastectomy and three female cadavers were tested. Uniaxial tensile tests were conducted, and three constitutive models -- the phenomenological Fung exponential model, the invariant-based anisotropic Gasser-Ogden-Holzapfel model, and the meso-scale structural constitutive model -- were employed to fit the experimental stretch-stress curves. Our results show that the stiffness becomes consistent once collagen fibers are fully stretched, regardless of tissue type or patient factors. This paper presents a comprehensive mechanical characterization of all the connective tissues contributing to the fascial support structures of the breast, collectively termed here as the breast fibro-structural support (BFSS) system. A generalized stress-stretch curve with initial stretch as the only variable effectively captures patient-specific variability.

추출된 의학 개체 (NER)

유형영어 표현한국어 / 풀이UMLS CUI출처등장
해부 breast 유방 dict 10
시술 breast augmentation 유방성형술 dict 1
시술 breast reduction 유방성형술 dict 1
해부 ligamentous scispacy 1
해부 fascial connective tissues scispacy 1
해부 ligaments scispacy 1
해부 stretch-stress scispacy 1
해부 tissue scispacy 1
해부 connective tissues scispacy 1
해부 fascial scispacy 1
해부 stress-stretch scispacy 1
약물 fascial-ligamentous scispacy 1
질환 cancer C0006826
Malignant Neoplasms
 scispacy 1
질환 breast components scispacy 1
질환 breast fibro-structural scispacy 1
기타 human breast fibro-structural scispacy 1
기타 human scispacy 1
기타 patients scispacy 1
기타 cadavers scispacy 1
기타 Fung scispacy 1
기타 collagen scispacy 1
기타 patient scispacy 1

MeSH Terms

Humans; Female; Middle Aged; Biomechanical Phenomena; Adult; Aged; Breast; Aged, 80 and over; Mechanical Phenomena; Stress, Mechanical; Fascia; Materials Testing; Ligaments; Tensile Strength

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이 논문이 참조한 문헌 37

외부 PMID 30건 (DB 미수집)

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