Table 1.

List of breast biopsy site markers included in study and material properties

Brand	Manufacturer	Radiopaque marker material	Embedding material
MammoMARK™	Mammotome, Cincinnati, OH	Titanium	Collagen
HydroMARK®	Mammotome, Cincinnati, OH	Stainless steel or titanium	Polyethylene glycol-based hydrogel
MammoStar™	Mammotome, Cincinnati, OH	Ceramic	Lyophilized (freeze-dried) beta-glucan gel
SecurMark®	Hologic, Bedford, MA	Stainless steel or titanium	Bioabsorbable suture-like netting (glycoprene)