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Breast
IGCS19-0178
136 Role of preoperative mri in guiding the surgical treatment decision in patients with invasive breast cancer
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  1. D Atallah1,
  2. M Moubarak1,
  3. W Arab1,
  4. NEL Kassis1,
  5. G Chahine2,
  6. M Ghossain3 and
  7. C Salem3
  1. 1Saint Joseph University, Obstetrics and Gynecology, Beirut, Lebanon
  2. 2Saint Joseph University, Oncology, Beirut, Lebanon
  3. 3Saint Joseph University, Radiology, Beirut, Lebanon

Abstract

Objectives To illustrate the importance of preoperative MRI in the surgical treatment decision in patients with invasive breast cancer.

Methods We reviewed retrospectively the preoperative MRI (3 Tesla) of 169 patients operated at Hôtel-Dieu de France for invasive breast cancer. The sequences of 85 patients who underwent a radical treatment (mastectomy) were compared to those of 84 patients who benefited from conservative surgery. We estimated the tumor volume (TV) and breast volume (BV) on enhanced MRI and then we compared the tumor volume to breast volume ratio (TV/BV) in both groups.

Results We reviewed retrospectively the preoperative MRI (3 Tesla) of 169 patients operated at Hôtel-Dieu de France for invasive breast cancer. The sequences of 85 patients who underwent a radicaltreatment (mastectomy) were compared to those of 84 patients who benefited from conservative surgery.We estimated the tumor volume (TV) and breast volume (BV) on enhanced MRI and then we comparedthe tumor volume to breast volume ratio (TV/BV) in both groups.

Conclusions Our data suggest that preoperative MRI can aid the surgical treatment decision in patients with invasive breast cancer by assessing the tumor to breast volume ratio as well as by providing a full mapping of multifocal and multicentric lesions in the breast tissue.

https://doi.org/10.1136/ijgc-2019-IGCS.136

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