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Ann Plast Surg. 2007 Jul;59(1):73-7.

Anatomic variation and asymmetry in female anterior thoracic contour: an analysis of 50 consecutive computed tomography scans.

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1
Division of Plastic and Reconstructive Surgery, Keck School of Medicine of USC, University of Southern California, Los Angeles, CA, USA.

Abstract

This study examines the prevalence of anatomic variation and asymmetry in female thoracic contour and evaluates their effect on breast projection. A consecutive series of 50 female cross-sectional thoracic computed tomography (CT) scans was examined at the level of the fourth rib. Patients with thoracic wall trauma (including surgery) were excluded. Lateral width, anterior-posterior diameter, and 3 internal angles were compared bilaterally and were used to evaluate overall shape and thoracic contour. All patients demonstrated some degree of asymmetry between their right and left sides. A wide range of thoracic shapes was observed. Patients with sloped anterior chest walls have lateral projection of the nipple, while patients with flatter chest walls have anterior projection of the nipple. Evaluating anterior chest wall slope prior to augmentation can help physicians predict postoperative breast projection and thus prepare their patients for the future breast appearance and the potential for contact cleavage.

[Indexed for MEDLINE]

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