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Human breast lesions: characterization with proton MR spectroscopy
J R Roebuck1, K M Cecil, M D Schnall
1Department of Radiology, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA.
Radiology
|October 14, 1998
Summary
Spatially localized hydrogen-1 MR spectroscopy can detect choline in breast lesions. This technique shows promise in distinguishing malignant from benign tumors, aiding in cancer diagnosis.
Area of Science:
- Medical Imaging
- Biophysics
- Oncology
Background:
- Distinguishing benign from malignant breast lesions is crucial for patient management.
- Conventional imaging may yield nonspecific findings, necessitating advanced diagnostic tools.
Purpose of the Study:
- To evaluate the clinical utility of spatially localized hydrogen-1 MR spectroscopy.
- To differentiate benign from malignant breast lesions using total choline levels.
Main Methods:
- 1.5 T magnetic resonance (MR) spectroscopy was performed on 17 patients with nonspecific mammographic findings.
- Single-voxel H-1 MR spectroscopy was used to measure choline levels in breast lesions.
- Histopathologic correlation was obtained for all lesions.
Main Results:
- Choline (Cho) was detected in 70% of malignant lesions (7/10).
- Cho was detected in only one case of benign disease (tubular adenoma), while absent in the remaining benign cases (6/7).
- The minimum detectable Cho level was 0.2 mmol/L with a 1-cm3 resolution.
Conclusions:
- Spatially localized H-1 MR spectroscopy demonstrates adequate sensitivity and resolution for detecting choline in breast lesions.
- The presence of choline, as detected by MR spectroscopy, may serve as a valuable biomarker for malignancy.