Comparison of pharmacokinetic MRI and [18F] fluorodeoxyglucose PET in the diagnosis of breast cancer: initial experience.
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| Title: | Comparison of pharmacokinetic MRI and [18F] fluorodeoxyglucose PET in the diagnosis of breast cancer: initial experience. |
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| Authors: | Brix, Gunnar1,2 gbrix@bfs.de, Henze, Marcus3, Knopp, Michael V.1, Lucht, Robert2, Doll, Josef1, Junkermann, Hans4, Hawighorst, Hans1, Haberkorn, Uwe1,3, Brix, G1 (AUTHOR), Henze, M (AUTHOR), Knopp, M V (AUTHOR), Lucht, R (AUTHOR), Doll, J (AUTHOR), Junkermann, H (AUTHOR), Hawighorst, H (AUTHOR), Haberkorn, U (AUTHOR) |
| Source: | European Radiology. Oct2001, Vol. 11 Issue 10, p2058-2070. 13p. |
| Subjects: | Medical imaging systems, Pharmacokinetics, Positron emission tomography, Cancer invasiveness, Diagnostic imaging, Medical radiography |
| Abstract: | It was the aim of this methodology-oriented clinical pilot study to compare the potential of dynamic MRI and 2-[18F]fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) for the detection and characterization of breast cancer. Fourteen women with suspicious breast lesions were examined. The MRI data were acquired with a turbo fast low-angle shot sequence and analyzed using a pharmacokinetic model. Emission data were detected in the sensitive 3D modus, iteratively reconstructed, and superimposed onto corresponding transmission images. In the 14 patients, 13 breast masses with a suspicious contrast enhancement and FDG uptake were detected. For these lesions, no statistically significant correlation between evaluated MR and PET parameters was found. Of the 9 histologically confirmed carcinomas, 8 were correctly characterized with MRI and PET. Two inflammatory lesions were concordantly classified as cancer. Moreover, dynamic MRI yielded another false-positive finding. In 6 patients, PET detected occult lymph node and/or distant metastases. Although both functional imaging techniques provide independent tissue information, the results concerning the diagnosis of primary breast lesions were almost identical. An advantage of PET, however, is its ability to localize lymph node involvement and distant metastases as an integral part of the examination. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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