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European Spine Journal

, Volume 25, Issue 10, pp 3075–3081 | Cite as

Morphometric analysis of iatrogenic breast asymmetry secondary to operative breast shape changes in thoracic adolescent idiopathic scoliosis

  • Sai-hu Mao
  • Benlong Shi
  • Xu Sun
  • Zhen Liu
  • Ze-zhang Zhu
  • Bang-ping QianEmail author
  • Yong Qiu
Original Article

Abstract

Purpose

Spontaneous surgical alterations of the distorted surface shape of thoracic cage in adolescent idiopathic scoliosis (AIS) may relocate and remodel the bilateral breast mounds. The purpose of this study was to analyze the influence of scoliosis correction surgery on female breast morphology and to identify the risk factors for iatrogenic breast asymmetry secondary to operative breast shape changes in AIS.

Methods

Thoracic AIS girls undergoing correction surgery were reviewed. Ten parameters concerning morphometric and CT evaluations of breast profile and symmetry were measured. The degree of asymmetry was determined and comparisons were made for evaluation of operative breast shape changes. The morphologically aggravated breast asymmetry would be considered if the concave and convex difference of either sternal notch-nipple length or sternal notch-nipple tilt angle increased post-operatively. Potential risk factors for iatrogenic breast asymmetry were identified.

Results

Sixty-eight AIS girls were reviewed. The concave breasts showed significantly more linear and less angular changes in morphological parameters post-operatively (p < 0.05). The concave and convex difference was significantly increased in morphological parameters and yet decreased in radiographic parameters. Ratio of aggravated morphological breast asymmetry was 61.2 %, and this patient group trended to have a minor pre-operative breast asymmetry though the difference was not statistically significant (p > 0.05). Moreover, patients with apex located at or above T7 showed greater changes in both morphological and radiographic dimensions as compared with those with apex beneath T7 (p < 0.05).

Conclusion

The incidence of aggravated post-operative breast asymmetry is notable. Those with higher thoracic apex level, combined with minor pre-operative breast asymmetry, were at relatively higher risk of iatrogenic breast asymmetry aggravation post-operatively. Moreover, discrepancy existed between the morphometric and radiographic parameters concerning the surgical influence on breast asymmetry.

Keywords

Breast asymmetry Adolescent idiopathic scoliosis Apex level Surgery Cosmesis 

Notes

Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (Grant No. 81301603) and Development Project of Nanjing Municipal Science and Technology Committee (Grant No. 201402028).

Compliance with ethical standards

Conflict of interest

None.

Informed consent

Informed consent for morphometric analysis of operative body shape changes in patients with thoracic adolescent idiopathic scoliosis.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Sai-hu Mao
    • 1
  • Benlong Shi
    • 1
  • Xu Sun
    • 1
  • Zhen Liu
    • 1
  • Ze-zhang Zhu
    • 1
  • Bang-ping Qian
    • 1
    Email author
  • Yong Qiu
    • 1
  1. 1.Department of Spine SurgeryThe Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjingChina

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