European journal of breast health · 2026
The Ratio of the Resected Specimen Volume to Breast Volume, as Measured by Three-Dimensional Surface Imaging, Is Associated With Aesthetic Outcome After Breast-Conserving Surgery.
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Fukumoto Satsuki, Goto Hironori, Hara Yukiko, Tada Keiichiro
Аннотация
OBJECTIVE: An objective method to predict aesthetic outcomes after breast-conserving surgery (BCS) has not been established. The ratio of the resected specimen volume to breast volume (S/B ratio) may be a reasonable option for this purpose.
MATERIALS AND METHODS: We recruited 32 breast cancer patients who underwent BCS. Preoperative breast volumes were measured using three-dimensional surface imaging (3DSI) and computed tomography (CT). The volume of the surgical specimens was estimated by the length, width, and height of the specimen. The S/B ratio was calculated from these values. The association between the S/B ratio and aesthetic outcome evaluated by an expert panel or by patient-reported outcomes was analyzed 1 year after BCS.
RESULTS: There was a statistically significant association between the S/B ratio and aesthetic outcome evaluated by the expert panel when we used 3DSI to measure the preoperative breast volume (p = 0.01). An S/B ratio of <12.3% may represent a preliminary cut-off for predicting an excellent aesthetic outcome. This association was not observed when CT was used to measure breast volume (p = 0.09). Furthermore, there was no significant association between the S/B ratio and patient-reported outcome.
CONCLUSION: When 3DSI is used for breast volume measurement, the S/B ratio is associated with the aesthetic outcome after BCS. This advantage of 3DSI may be due to the upright position of the patients during the breast volume measurement.
MATERIALS AND METHODS: We recruited 32 breast cancer patients who underwent BCS. Preoperative breast volumes were measured using three-dimensional surface imaging (3DSI) and computed tomography (CT). The volume of the surgical specimens was estimated by the length, width, and height of the specimen. The S/B ratio was calculated from these values. The association between the S/B ratio and aesthetic outcome evaluated by an expert panel or by patient-reported outcomes was analyzed 1 year after BCS.
RESULTS: There was a statistically significant association between the S/B ratio and aesthetic outcome evaluated by the expert panel when we used 3DSI to measure the preoperative breast volume (p = 0.01). An S/B ratio of <12.3% may represent a preliminary cut-off for predicting an excellent aesthetic outcome. This association was not observed when CT was used to measure breast volume (p = 0.09). Furthermore, there was no significant association between the S/B ratio and patient-reported outcome.
CONCLUSION: When 3DSI is used for breast volume measurement, the S/B ratio is associated with the aesthetic outcome after BCS. This advantage of 3DSI may be due to the upright position of the patients during the breast volume measurement.