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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
DOI:10.1594/ecr2015/C-1244

Conclusion

Little attention has been focused on MRI findings of subdermal contraceptive implants in radiology literature. Radiologists and gynecologists must be aware of their types:

  • Norplant®: six-capsule preparation
  • Jadelle®: two-rod preparation, with a size of 43 x 2.5 mm.
  • Implanon®: single-rod preparation with a size of 40 x 2 mm.

and MRI findings: hypointense signal on all sequences, sharp margins.

 

Caution is needed:

  • When insertion is made so close to basilic or brachial vein in the medial aspect of the arm. In our opinion an anterior location farther away from the neurovascular bundle would be better.
  • Differentiating blood vessels and fibrous septae from subdermal implants.

Accordingly, it is mandatory to report subdermal implant/implants location and furthermore look for surrounding complications such as infection or nerve entrapment. To the best of our knowledge, this is the first study which describes MRI findings of Jadelle® subdermal implants.

 

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