European Journal of Plastic Surgery

, Volume 37, Issue 5, pp 273–280 | Cite as

Review of implant sizes in 146 consecutive asymmetrical augmentation mammoplasties

  • Umar Daraz Khan
Original Paper



Breast and chest asymmetries have been reported with varying incidences in patients requesting augmentation mammoplasty. However, there is a paucity of information regarding the sizes of different implants used, their relative distribution on either side, complications and revision rates in this cohort when compared with primary augmentation mammoplasty using similar size implants.


A retrospective data using the Excel spreadsheet was performed. All patients had muscle splitting technique for augmentation mammoplasty in asymmetrical breasts. Patients requiring augmentation with mastopexy, sternal notch to nipple areolar complex level discrepancy of more than 1 cm, and patients having same size implants were excluded from the analysis. Insignificant asymmetries, not noticed by patients, were not chosen for two different size implants. Patients, who chose two different size implants for mammoplasty, were divided into three groups based on the relative difference in the size of different implants used.


A total of 164 patients had primary augmentation mammoplasty between 2005 and 2011, using two different size implants for augmentation mammoplasty in asymmetrical breasts. Mean age of the patients (n = 164) was 29.2 ± 7.79 years (range 18–50), and 46 (28.0 %) were smokers. Complete data on differential implant sizes used was available in 146 patients. Mean size of the implant on the right (n = 146) was 346.27 ± 70.581 cc (range 220–605). The mean size of the implant on the left (n = 146) was 333.46 ± 74.419 cc (range 200–655). Out of these 146 patients, 46 (31.5 %) patients had larger implants on the left as compared to 100 (68.5 %) patients on the right. Mean volume difference between the two sides when larger implants were used on left side was 55.76 ± 37.785 cc as compared to 44.35 ± 26.166 cc when larger implants were used on the right side. Low profile combination was used in 2.73 %, moderate size implant combination was used in 9.58 %, mixed profile combination was used in 3.42 % and high profile combination was used in 84.24 % of the patients. Overall revision surgery was performed in three patients (1.8 %), and out of these three revisions, only one (0.6 %) patient needed surgery for volume correction.


Primary augmentation mammoplasty in asymmetrical breasts using differential size implants is a procedure with low revision rates, provided that strict exclusion criteria are used along with adequate informed consent in this group.

Level of Evidence: Level IV, risk/prognostic study.


Breast asymmetries Chest asymmetries Mammoplasty in asymmetrical breasts Muscle splitting breast augmentation 


Conflict of interest


Ethical standards

All patients gave their informed consent prior to their inclusion in this study.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Reshape HouseKentUK

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