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Microcalcifications around a collagen-based breast biopsy marker: complication of biopsy with a percutaneous marking system.

Trop I, David J, El Khoury M, Gautier N, Gaboury L, Lalonde L

Department of Radiology Centre de Recherche et d'Investigation des Maladies du sein, Hôtel Dieu, Centre Hospitalier Universitaire de Montréal, 3840 St-Urbain, 3è Le Royer Pavillon, Montréal, QC H2W 1T8, Canada. itrop@yahoo.com

OBJECTIVE: The purpose of this article is to present the cases of four women who underwent percutaneous breast biopsy with deployment of a titanium metallic marker embedded in a bioresorbable collagen plug. Routine follow-up mammography after benign pathologic results were obtained revealed new fine microcalcifications at the biopsy sites, requiring repeat biopsy. Pathologic examination confirmed the presence of microcalcifications associated with an acidophilic foreign material. CONCLUSION: Awareness that development of microcalcifications can complicate biopsy performed with collagen-based markers is important for correct mammographic interpretation and management.

AJR Am J Roentgenol 2011;197(2):W353-7.

Pubmed ID: 21785065

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