title: Multimodality imaging of the essure permanent birth control device: emphasis on commonly overlooked abnormalities.
abstract: OBJECTIVE
  The purpose of this pictorial essay is to review the imaging findings of normally and abnormally positioned Essure permanent birth control devices across the different imaging techniques and to show common sites of device migration.
  
  
  CONCLUSIONS
  The Essure device is easily visualized on all imaging techniques, and radiologists should be familiar with its appearance and be able to identify cases of device migration on ultrasound and hysterosalpingography that would suggest malfunction.
authors.affiliation: Department of Radiology, The George Washington University Medical Center, Washington, DC 20037, USA. nkhati@mfa.gwu.edu
authors.forename: Nadia J
authors.initials: NJ
authors.lastname: Khati
authors.forename: Chirag R
authors.initials: CR
authors.lastname: Parghi
authors.forename: Kathleen A
authors.initials: KA
authors.lastname: Brindle
mesh_terms: D004867:Equipment Design; D005260:Female; D006801:Humans; D007047:Hysterosalpingography; D058736:Intrauterine Device Migration; D007434:Intrauterine Devices; D012307:Risk Factors