Second International Consensus Conference on lesions of uncertain malignant potential in the breast (B3 lesions).

Rageth, Christoph J; O'Flynn, Elizabeth A M; Pinker, Katja; Kubik-Huch, Rahel A; Mundinger, Alexander; Decker, Thomas; Tausch, Christoph; Dammann, Florian; Baltzer, Pascal A; Fallenberg, Eva Maria; Foschini, Maria P; Dellas, Sophie; Knauer, Michael; Malhaire, Caroline; Sonnenschein, Martin; Boos, Andreas; Morris, Elisabeth; Varga, Zsuzsanna (2019). Second International Consensus Conference on lesions of uncertain malignant potential in the breast (B3 lesions). Breast cancer research and treatment, 174(2), pp. 279-296. Springer 10.1007/s10549-018-05071-1

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PURPOSE The second International Consensus Conference on B3 lesions was held in Zurich, Switzerland, in March 2018, organized by the International Breast Ultrasound School to re-evaluate the consensus recommendations. METHODS This study (1) evaluated how management recommendations of the first Zurich Consensus Conference of 2016 on B3 lesions had influenced daily practice and (2) reviewed current literature towards recommendations to biopsy. RESULTS In 2018, the consensus recommendations for management of B3 lesions remained almost unchanged: For flat epithelial atypia (FEA), classical lobular neoplasia (LN), papillary lesions (PL) and radial scars (RS) diagnosed on core-needle biopsy (CNB) or vacuum-assisted biopsy (VAB), excision by VAB in preference to open surgery, and for atypical ductal hyperplasia (ADH) and phyllodes tumors (PT) diagnosed at VAB or CNB, first-line open surgical excision (OE) with follow-up surveillance imaging for 5 years. Analyzing the Database of the Swiss Minimally Invasive Breast Biopsies (MIBB) with more than 30,000 procedures recorded, there was a significant increase in recommending more frequent surveillance of LN [65% in 2018 vs. 51% in 2016 (p = 0.004)], FEA (72% in 2018 vs. 62% in 2016 (p = 0.005)), and PL [(76% in 2018 vs. 70% in 2016 (p = 0.04)] diagnosed on VAB. A trend to more frequent surveillance was also noted also for RS [77% in 2018 vs. 67% in 2016 (p = 0.07)]. CONCLUSIONS Minimally invasive management of B3 lesions (except ADH and PT) with VAB continues to be appropriate as an alternative to first-line OE in most cases, but with more frequent surveillance, especially for LN.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology

UniBE Contributor:

Dammann, Florian

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0167-6806

Publisher:

Springer

Language:

English

Submitter:

Isabelle Ursula Saurer

Date Deposited:

13 Dec 2018 15:19

Last Modified:

24 Oct 2019 19:28

Publisher DOI:

10.1007/s10549-018-05071-1

Related URLs:

PubMed ID:

30506111

Uncontrolled Keywords:

B3 lesions Breast Breast surgery Consensus Uncertain malignant potential Vacuum-assisted biopsy

BORIS DOI:

10.7892/boris.122390

URI:

https://boris.unibe.ch/id/eprint/122390

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