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MR imaging of breast implants
1Iris Cantor Center for Breast Imaging, Department of Radiological Sciences, UCLA Medical Center, USA.
Magnetic Resonance Imaging Clinics of North America
|November 1, 1994
Summary
Magnetic Resonance (MR) imaging effectively detects breast implant ruptures and free silicone with high accuracy. Specific MR sequences and findings like the "linguine sign" aid in reliable diagnosis.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Magnetic Resonance (MR) imaging is a key tool for breast implant evaluation.
- Assessing implant integrity and detecting silicone leakage are critical clinical challenges.
Purpose of the Study:
- To highlight the efficacy of MR imaging in diagnosing breast implant rupture.
- To detail the MR imaging sequences and findings crucial for accurate detection.
Main Methods:
- Utilizing specialized MR sequences including T2-weighted, STIR, and chemical shift imaging.
- Employing chemical water suppression techniques to enhance image quality.
Main Results:
- MR imaging demonstrates high sensitivity (94%) and specificity (97%) for detecting implant rupture.
- Characteristic findings include the collapsed implant shell (linguine sign) and extravasated silicone.
Conclusions:
- MR imaging is a reliable modality for identifying breast implant rupture and free silicone.
- Specific MR sequences and characteristic signs provide excellent diagnostic information.