Abstract
Opposed-phase gradient eho (GRE) MRI at 0.5 T was compared with T1-weighted GRE MRI and bone scintigraphy regarding the detection of malignant bone marrow infiltrates of the spine and pelvis. Seventeen control patients and 41 patients with suspected skeletal metastases were studied with plain and gadolinium-enhanced MRI. In the control group only a vertebral haemangiona showed contrast enhancement, while all metastases (confirmed histologically or by follw-up) were enhancing. Opposed-phase surface coil MRI showed a significantly higher contrast-to-noise ratio of 56 metastases than T1-weighted images. In 28 patients body coil opposed-phased MRI detectedmore metastatic foci of the spine and pelvis than did bone scintigraphy (84 vs 56). No scintigraphically visualised lesion was missed by MRI. In conclusion,body coil gadolinium-enhanced opposed-phase GRE MRI may be applied as a screning method for skeletal metastases of the spine and pelvis at intermediate field strengths.
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Neumann, K., Hosten, H. & Venz, S. Screening for skeletal metastases of the spine and pelvis: gradient echo opposed-phase MRIcompared with bone scintigraphy. Eur. Radiol. 5, 276–284 (1995). https://doi.org/10.1007/BF00185312
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DOI: https://doi.org/10.1007/BF00185312