Rosalind P Candelaria1, Monica L Huang2, Beatriz E Adrada2, Roland Bassett3, Kelly K Hunt4, Henry M Kuerer4, Benjamin D Smith5, Mariana Chavez-MacGregor6, Wei Tse Yang2. 1. Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030. Electronic address: rcandelaria@mdanderson.org. 2. Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030. 3. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas. 4. Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas. 5. Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas. 6. Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
Abstract
RATIONALE AND OBJECTIVES: This study aims to determine if locoregional restaging with diagnostic mammography and ultrasound (US) of the whole breast and regional nodes performed for quality assurance in women with newly diagnosed breast cancer who were referred to a tertiary care center yields incremental cancer detection. MATERIALS AND METHODS: An institutional review board-approved retrospective, single-institution database review was performed on the first 1000 women referred to our center in 2010 with a provisional breast cancer diagnosis. Locoregional restaging consisted of diagnostic full-field digital mammography combined with US of the whole breast and regional nodal basins. Bilateral whole-breast US was performed in women with contralateral mammographic abnormality or had heterogeneously or extremely dense parenchyma. Demographic, clinical, and pathologic factors were analyzed. RESULTS: Final analyses included 401 women. Of the 401 women, 138 (34%) did not have their outside images available for review upon referral. The median age was 54 years (range 21-92); the median tumor size was 2.9 cm (range 0.6-18.0) for women whose disease was upstaged and 2.2 cm (range 0.4-15.0) for women whose disease was not upstaged. Incremental cancer detection rates were 15.5% (62 of 401) in the ipsilateral breast and 3.9% (6 of 154) in the contralateral breast (P < 0.0001). The total upstage rate was 25% (100 of 401). Surgical management changed from segmentectomy to mastectomy in 12% (50 of 401). The re-excision rate after segmentectomy was 19% (35 of 189). CONCLUSIONS: Locoregional restaging with diagnostic mammography combined with whole-breast and regional nodal US that is performed for standardization of the imaging workup for newly diagnosed breast cancer patients can reduce underestimation of disease burden and impact therapeutic planning.
RATIONALE AND OBJECTIVES: This study aims to determine if locoregional restaging with diagnostic mammography and ultrasound (US) of the whole breast and regional nodes performed for quality assurance in women with newly diagnosed breast cancer who were referred to a tertiary care center yields incremental cancer detection. MATERIALS AND METHODS: An institutional review board-approved retrospective, single-institution database review was performed on the first 1000 women referred to our center in 2010 with a provisional breast cancer diagnosis. Locoregional restaging consisted of diagnostic full-field digital mammography combined with US of the whole breast and regional nodal basins. Bilateral whole-breast US was performed in women with contralateral mammographic abnormality or had heterogeneously or extremely dense parenchyma. Demographic, clinical, and pathologic factors were analyzed. RESULTS: Final analyses included 401 women. Of the 401 women, 138 (34%) did not have their outside images available for review upon referral. The median age was 54 years (range 21-92); the median tumor size was 2.9 cm (range 0.6-18.0) for women whose disease was upstaged and 2.2 cm (range 0.4-15.0) for women whose disease was not upstaged. Incremental cancer detection rates were 15.5% (62 of 401) in the ipsilateral breast and 3.9% (6 of 154) in the contralateral breast (P < 0.0001). The total upstage rate was 25% (100 of 401). Surgical management changed from segmentectomy to mastectomy in 12% (50 of 401). The re-excision rate after segmentectomy was 19% (35 of 189). CONCLUSIONS: Locoregional restaging with diagnostic mammography combined with whole-breast and regional nodal US that is performed for standardization of the imaging workup for newly diagnosed breast cancerpatients can reduce underestimation of disease burden and impact therapeutic planning.
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