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A feasibility study of magnetic resonance imaging of silicone breast implants in Finland.

Abstract
Cosmetic breast implants have become increasingly popular throughout the world. However, there is insufficient knowledge about the frequency and severity of local complications such as rupture and capsular contracture. A pilot study of 25 Finnish women with 50 cosmetic breast implants was organized to determine the feasibility of conducting a magnetic resonance imaging (MRI)-based study of rupture incidence. The pilot investigation included a clinical examination by a plastic surgeon, MRI scan, and self-administered questionnaire. The participation rate was 100%. Implants in our study represented a cross-section of the different generations of implants in Finland, with implant ages varying from 4 months to 20 years. The average implant size was 215 mL, typical in Finnish cosmetic surgery. MR images were evaluated by two independent readers. The first reader diagnosed six implants with intracapsular rupture, while the other diagnosed all implants as intact. The procedures of the feasibility study proved successful, and the results demonstrate the importance of a rigid image evaluation protocol with employment of well-defined rupture criteria, as well as the benefits of several image readers.
AuthorsIlona Kulmala, John D Boice Jr, Joseph K McLaughlin, Lisbet R Hölmich, Matti Pakkanen, Kai Lassila, Jussi-Pekka Usenius, Lyly Teppo, Kim Kjøller, Riitta Luoto
JournalJournal of long-term effects of medical implants (J Long Term Eff Med Implants) Vol. 15 Issue 1 Pg. 9-14 ( 2005) ISSN: 1050-6934 [Print] United States
PMID15715512 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Silicone Gels
Topics
  • Adolescent
  • Adult
  • Age Distribution
  • Aged
  • Breast Implants (adverse effects)
  • Feasibility Studies
  • Female
  • Finland (epidemiology)
  • Humans
  • Incidence
  • Magnetic Resonance Imaging (methods)
  • Middle Aged
  • Pilot Projects
  • Prosthesis Failure
  • Risk Assessment
  • Rupture, Spontaneous (diagnosis, epidemiology)
  • Sensitivity and Specificity
  • Silicone Gels (adverse effects, pharmacology)

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