Volumetric measurement of polyacrylamide hydrogel injected for breast augmentation using magnetic resonance imaging

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Abstract

Volumetric measurement of polyacrylamide hydrogel (PAHG) is useful for surgical planning. It is not only a significant factor in the preoperative evaluation of breast augmentation, but may also directly affect the postoperative shape of the breast. The objective of the present study was to evaluate whether magnetic resonance imaging (MRI) is able to provide precise calculations of injected PAHG volumes. MRI scans of ten randomly selected patients were imported to Mimics software. The volumes of PAHG were obtained following the reconstruction of the injected PAHG. In order to assess the precision and observer independency of the technique, the volumes of PAHG were estimated by three plastic surgeons using this method. No significant differences were identified among the PAHG injection volumes calculated by the three observers (P=0.173). The intra-observer correlation coefficient was 0.964, which indicates the precision and feasibility of this method for calculating the volume of PAHG. The use of MRI in combination with Mimics software to calculate PAHG volumes is likely to be of significant clinical benefit in preoperative surgical planning.

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Hu, J., Liu, C., Chen, L., Xing, W., & Luan, J. (2014). Volumetric measurement of polyacrylamide hydrogel injected for breast augmentation using magnetic resonance imaging. Experimental and Therapeutic Medicine, 7(3), 681–684. https://doi.org/10.3892/etm.2013.1452

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