Published in:
01-11-2019 | Mastectomy | Breast Oncology
Editorial: Applying Margin Consensus Guidelines to Invasive Lobular Carcinoma of the Breast
Author:
Rita A. Mukhtar, MD
Published in:
Annals of Surgical Oncology
|
Issue 12/2019
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Excerpt
In their recent study, “Was reexcision less frequent in patients with lobular breast cancer after publication of the SSO-ASTRO margin guidelines,” Mamtani et al. show that women with invasive lobular carcinoma (ILC) indeed had lower rates of second surgery after adoption of new consensus guidelines at their center.
1 Before guideline adoption, 31.4% of patients in their large series of ILC had either reexcision or completion mastectomy after breast-conserving surgery. After guideline implementation in 2014, this second surgery rate decreased to 23.1%, a drop of similar magnitude to that seen in patients with invasive ductal carcinoma (IDC). A reduction in reexcisions was not necessarily expected for the following reasons: many surgeons have questioned the safety of narrow margins in ILC because of its growth pattern; additionally, there is a paucity of data on outcomes of narrow margins in this tumor type. However, women with ILC have such high rates of reexcisions and completion mastectomies that these findings could represent a meaningful improvement in their care. …