The current clinical value of the DCIS Score.
The management of ductal carcinoma in situ (DCIS) can be controversial. Widespread adoption of mammographic screening has made DCIS a more frequent diagnosis, and increasingly smaller, lower-grade lesions are being detected. DCIS is commonly treated with breast-conserving surgery and radiation. However, there is greater recognition that acceptable cancer control outcomes can be achieved for some patients with breast-conserving surgery alone, with radiotherapy reserved for those at higher risk of in-breast recurrence. The primary clinical dilemma is that there are currently no reliable clinicopathologic features that accurately predict which patients will have a recurrence, but risk stratification is an area of active research. Molecular profiling has the potential to assess recurrence risk based on the individual patient's tumor biology and guide treatment decisions. The DCIS Score is a 12-gene assay intended to support personalized treatment planning for patients with DCIS following local excision. It provides information on local failure risk independent of traditional clinicopathologic features. Our group of expert breast surgeons and radiation oncologists met in December 2013 at the San Antonio Breast Cancer Symposium to discuss current controversies in DCIS management and determine the potential value of the DCIS Score in managing these situations. We concluded that the DCIS Score provides clinically relevant information about personal risk that can guide patient discussions and facilitate shared decision making.
Wood, WC; Alvarado, M; Buchholz, DJ; Hyams, D; Hwang, S; Manders, J; Park, C; Solin, LJ; White, J; Willey, S
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