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Related Experiment Videos

Self-contained, inflatable penile prosthesis: magnetic resonance appearance

M F Levin1, P L Munk, A D Vellet

  • 1Department of Diagnostic Radiology and Nuclear Medicine, University Hospital, University of Western Ontario, London, Canada.

Australasian Radiology
|February 1, 1994
PubMed
Summary

Magnetic resonance imaging (MRI) can visualize inflatable penile prostheses after bladder cancer surgery. Fat suppression techniques enhance prosthesis visibility on MRI scans for pelvic pain assessment.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Urology

Background:

  • Pelvic pain can occur after radical cystoprostatectomy for bladder carcinoma.
  • Inflatable penile prostheses are used to treat erectile dysfunction, often following such surgeries.
  • Magnetic resonance imaging (MRI) is a valuable tool for evaluating pelvic structures.

Observation:

  • A patient presented with pelvic pain post-radical cystoprostatectomy.
  • MRI was performed using a short tau inversion recovery (STIR) sequence.
  • The inflatable penile prosthesis was visualized during the MRI examination.

Findings:

  • The inflatable penile prosthesis appeared well-delineated from surrounding tissues.
  • Signal suppression of adjacent fat enhanced visualization.

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  • Fluid-filled cylinders of the prosthesis showed very bright signal intensity.
  • The relief valve assembly exhibited low signal intensity.

    • Implications:

    • STIR MRI sequences with fat suppression can effectively depict penile prostheses.
    • This imaging technique aids in evaluating pelvic pain in patients with prostheses.
    • Understanding prosthesis appearance on MRI is crucial for accurate diagnosis and patient management.