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ECR 2015 / C-1244
Subdermal contraceptive implants; MRI findings
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Congress: ECR 2015
Poster No.: C-1244
Type: Educational Exhibit
Keywords: Extremities, Genital / Reproductive system female, Musculoskeletal soft tissue, MR, Ultrasound, Diagnostic procedure, Removal, Treatment effects, Foreign bodies
Authors: X. Tomás1, A. Rodriguez-Veret2, S. Orlando3, E. Guisantes2, C. Yanguas4, J. C. Vilanova5, S. Baleato González6; 1Barcelona/ES, 2Terrassa/ES, 3Sant Cugat del Vallès/ES, 4Manresa/ES, 5Girona/ES, 6Santiago de Compostela/ES


  1. Meirik O, Fraser IS, d'Arcangues C; WHO Consultation on Implantable Contraceptives for Women. Implantable contraceptives for women.Hum Reprod Update. 2003 Jan-Feb;9(1):49-59.
  2. Mascarenhas, L. Insertion and removal of Implanon. Contraception. 1998; 58: 79S–83S
  3. Lantz, A, Nosher, J.L, Pasquale, S, and Siegel, R.L. Ultrasound characteristics of subdermally implanted Implanon® contraceptive rods. Contraception. 1997; 56: 323–327
  4. Case courtesy of Dr Amit Tripathi, <ahref=""></a>. From the case <a href="">Misplaced Implanon</a>
  5. Sarma, S.P, Wamsher, J.G, and Whitlock, S.W. Removal of deeply inserted nonpalpable levonorgestrel (Norplant®) implants. Contraception. 1996; 53: 159–161
  6. Dunsun, T.R, Amatya, R.N, and Krueger, S.L. Complications and risk factors associated with the removal of Norplant® implants. Obstet Gynecol. 1997; 89: 174–178
  7. Smith, J.M, Conwit, R.A, and Blumenthal, P.D. Ulnar nerve injury associated with removal of Norplant implants.Contraception. 1998; 57: 99–101
  8. Marin, R and McMillian, D. Ulnar neuropathy associated with subdermal contraceptive implant. South Med J.1998; 91: 875–878
  9.  Sarma, S.P, Silverstein, M, and Lewis, C. Removal of a Norplant implant located near a major nerve using interventional radiology-digital subtraction fluoroscopy. Contraception. 1998; 58: 387–389
  10. Shulman L, Gabriel H. Management and localization strategies for the nonpalpable Implanon rod. Contraception. 2006 Apr;73(4):325-30. Epub 2005 Dec 27.
  11. J.-Y. Meuwly, G. Giuseppe, P. Frossard, V. Monnard, M.O Treyvaud, R. Meuli. The lost Implanon®. A practical guide to safely and quickly find and remove the implant under sonographic guidance. Poster No.: C-0639 Congress ECR 2014 Educational Exhibit. DOI:10.1594/ecr2014/C-0639
  12. Singh M, Mansour D, Richardson D. Location and removal of non-palpable Implanon implants with the aid of ultrasound guidance. J Fam Plann Reprod Health Care. 2006 Jul;32(3):153-6.
  13. Merki-Feld GS, Brekenfeld C, Migge B, Keller PJ. Nonpalpable ultrasonographically no detectable Implanon rods can be localized by magnetic resonance imaging.
  14. Westerway SC, Picker R, Christie J. Contraception. 2001 Jun;63(6):325-8. Implanon implant detection with ultrasound and magnetic resonance imaging. Aust N Z J Obstet Gynaecol. 2003 Oct;43(5):346-50.


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