Current role of CT and whole body MRI in multiple myeloma - 09/02/13
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Abstract |
Radiology of bone lacunae can help differentiate between smouldering and symptomatic myeloma. CT seems to be more apt for this purpose than a standard X-ray but appropriate principles must be applied when performing and reading it. Lesions visible in an MRI above all allow myelomas to be monitored during treatment. Because of the radiation dose, whole body CT must be performed with a slice thickness of 2mm, increments of 1.5 and intensity of 40mAs. It should be read associating the reading of the axial slices with reading the mean coronal and sagittal projections of a thickness of 2cm. Whole body MRI must associate T1-weighted sagittal, STIR coronal and b-800 diffusion-weighted axial sequences. Changes in the disease correlate with changes in the diffusion, STIR and T1-weighted images interpreted together. While whole body CT has a place in clinical routine, the indication for whole body MRI still needs to be clarified and has yet to take its place in research protocols.
Le texte complet de cet article est disponible en PDF.Keywords : Multiple myeloma, Low dose whole body CT, Whole body MRI, Diffusion-weighted MRI
Plan
Vol 94 - N° 2
P. 169-183 - février 2013 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.