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Abstract #3223

Breast Tissue Expanders with Magnetic Ports: Clinical Experience at 1.5-Tesla

Nanda Deepa Thimmappa 1 , Christina Y Ahn 2 , Silvina P Dutruel 1 , Joshua L Levine 3 , Srikanth Reddy Boddu 1 , and Martin R Prince 1

1 Radiology, Weill Cornell Medical College, New York, NY, United States, 2 NY Langone Medical Center, Department of Plastic Surgery, New York, New York, United States, 3 Department of Plastic Surgery, New York Eye and Ear Infirmary of Mount Sinai, New York, New York, United States

There are anecdotal reports of tissue expander damage or dislodgement during MRI and are currently labeled MR Unsafe. At our institution, abdomen-pelvis MRI/MRA is frequently requested in these patients to map perforator vessels supplying abdominal fat/skin to plan autologous breast reconstruction. Since these tissue expanders will be removed at the time of breast reconstruction, surgeons performing these operations feel that the benefit of pre-operative MRA outweighs the risk of any implant migration or local tissue damage potentially caused by MRI. In this study we retrospectively review breast tissue expander safety for 73 patients who underwent abdominal and pelvic MR for autologous breast reconstruction.

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