Article ID Journal Published Year Pages File Type
4227448 European Journal of Radiology 2009 9 Pages PDF
Abstract

PurposeTo define single-voxel proton magnetic resonance spectroscopy (MRS) findings of vertebral tuberculous spondylitis (TBS), Modic type-I end-plate changes (MTEC) and metastatic vertebral disease (MVD).Materials and methodsFifteen patients with TBS, 15 with MTEC and 15 with MVD were included. MRS from the diseased vertebral body as well as normal vertebral body was examined. Water and lipid peak were measured, water-to-lipid ratio (WLR) and for each patient lesion water index (LWI, the ratio of WLRs from diseased to normal vertebrae) were calculated.ResultsThe mean WLR of normal and pathologic vertebra was 0.91 and 7.13 in TBS group, 0.84 and 3.49 in MTEC group and 0.65 and 3.17 in MVD group, respectively. The mean LWI was 10.68 in TBS, 6.04 in MTEC and 6.42 MVD groups. Statistical significance was not achieved between the WLR and LWI of the TBS, MTEC nor MVD group (p > 0.05).ConclusionThe mean values of WLR and LWI in the TBS group are relatively higher than MTEC and MVD groups, with the difference being statistically insignificant.

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