Safety and MRI artifact evaluation at 1.5T of metallic mounting sheath of a marking clip inadvertently deployed at stereotactic biopsy

Diana M. Lanners, Kimberly K. Amrami, Renee S. Jonsgaard, John J. Gisvold, Joel P. Felmlee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

OBJECTIVE. The purpose of our study was to assess the MRI risk factors for the patient after an unusual case of inadvertent deployment of the mounting sheath of a metallic clip used at stereotactic breast biopsy. MATERIALS AND METHODS. We evaluated the materials for ferromagnetic properties, heating, and artifacts. RESULTS. Our analysis showed significant deflection and prominent susceptibility artifacts of the sheath at 1.5 T, although the clip itself showed no deflection and only minimal artifact. Our study shows that a device and its delivery apparatus may have significantly different ferromagnetic properties. CONCLUSION. In case of inadvertent deployment of the sheath, a delay of 6-8 weeks before MRI is recommended as a conservative approach to ensure tissue ingrowth and to minimize the chance of harm to the patient. In the case of metallic clips used for breast biopsy, caution is warranted when a portion of the device unintended for placement is introduced into the breast.

Original languageEnglish (US)
Pages (from-to)825-829
Number of pages5
JournalAmerican Journal of Roentgenology
Volume183
Issue number3
StatePublished - Sep 2004

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Surgical Instruments
Artifacts
Breast
Biopsy
Safety
Patient Harm
Equipment and Supplies
Heating

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Safety and MRI artifact evaluation at 1.5T of metallic mounting sheath of a marking clip inadvertently deployed at stereotactic biopsy. / Lanners, Diana M.; Amrami, Kimberly K.; Jonsgaard, Renee S.; Gisvold, John J.; Felmlee, Joel P.

In: American Journal of Roentgenology, Vol. 183, No. 3, 09.2004, p. 825-829.

Research output: Contribution to journalArticle

Lanners, Diana M. ; Amrami, Kimberly K. ; Jonsgaard, Renee S. ; Gisvold, John J. ; Felmlee, Joel P. / Safety and MRI artifact evaluation at 1.5T of metallic mounting sheath of a marking clip inadvertently deployed at stereotactic biopsy. In: American Journal of Roentgenology. 2004 ; Vol. 183, No. 3. pp. 825-829.
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