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01.10.2010 | American Society of Breast Surgeons | Sonderheft 3/2010

Annals of Surgical Oncology 3/2010

Impact of Preoperative Breast MRIs on Timing of Surgery and Type of Intervention in Newly Diagnosed Breast Cancer Patients

Zeitschrift:
Annals of Surgical Oncology > Sonderheft 3/2010
Autoren:
MD Fernando A. Angarita, MD Sergio A. Acuna, MD Adriana Fonseca, MD Pavel Crystal, MD, FRCS(C), FACS Jaime Escallon

Abstract

Background

We sought to evaluate the effect of preoperative breast magnetic resonance imaging (BMRI) on the wait time to surgery and to what extent it affects the surgical management plan initially considered.

Methods

From April 2007 to April 2009, a total of 147 newly diagnosed breast cancer patients who underwent surgery as initial treatment at Marvelle Koffler Breast Centre at Mount Sinai Hospital, Toronto, Ontario, Canada, met the inclusion criteria and were divided into two groups: those who had BMRI (n = 71) and those who did not (n = 76). Time to surgery was calculated from the day core biopsy result was available to the date surgery was carried out. Time span between initial surgical consult and the day of the surgery day was also calculated. Change was defined as conversion from conservative to radical surgery and/or unilateral to bilateral procedures.

Results

Overall waiting period between histologic diagnosis and treatment was 34.2 days (BMRI group 36.0 days vs. non-BMRI group 32.3 days, P = 0.15); and between date surgical management was propose and date of surgery (BMRI group 24.2 days vs. non-BMRI group 22.5 days, P = 0.38). Additional workup resulted in seven otherwise occult malignant lesions that required change. Ten percent of patients who underwent BMRI had change in surgical management. The mastectomy rate was higher among those with preoperative BMRI (initial 12% vs. final 26%, P = 0.8), but this was not statistically significant.

Conclusions

Preoperative BMRI did not delay surgical treatment or correlate with a higher rate of radical treatment.

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