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000286213 1001_ $$00000-0002-2897-5411$$aHeiss, Rafael$$b0
000286213 245__ $$aVariation in cartilage T2 and T2* mapping of the wrist: a comparison between 3- and 7-T MRI.
000286213 260__ $$a[Cham]$$bSpringer International Publishing$$c2023
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000286213 520__ $$aTo analyze regional variations in T2 and T2* relaxation times in wrist joint cartilage and the triangular fibrocartilage complex (TFCC) at 3 and 7 T and to compare values between field strengths.Twenty-five healthy controls and 25 patients with chronic wrist pain were examined at 3 and 7 T on the same day using T2- and T2*-weighted sequences. Six different regions of interest (ROIs) were evaluated for cartilage and 3 ROIs were evaluated at the TFCC based on manual segmentation. Paired t-tests were used to compare T2 and T2* values between field strengths and between different ROIs. Spearman's rank correlation was calculated to assess correlations between T2 and T2* time values at 3 and 7 T.T2 and T2* time values of the cartilage differed significantly between 3 and 7 T for all ROIs (p ≤ 0.045), with one exception: at the distal lunate, no significant differences in T2 values were observed between field strengths. T2* values differed significantly between 3 and 7 T for all ROIs of the TFCC (p ≤ 0.001). Spearman's rank correlation between 3 and 7 T ranged from 0.03 to 0.62 for T2 values and from 0.01 to 0.48 for T2* values. T2 and T2* values for cartilage varied across anatomic locations in healthy controls at both 3 and 7 T.Quantitative results of T2 and T2* mapping at the wrist differ between field strengths, with poor correlation between 3 and 7 T. Local variations in cartilage T2 and T2* values are observed in healthy individuals.T2 and T2* mapping are feasible for compositional imaging of the TFCC and the cartilage at the wrist at both 3 and 7 T, but the clinical interpretation remains challenging due to differences between field strengths and variations between anatomic locations.•Field strength and anatomic locations influence T2 and T2* values at the wrist. •T2 and T2* values have a poor correlation between 3 and 7 T. •Local reference values are needed for each anatomic location for reliable interpretation.
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000286213 650_7 $$2Other$$aCartilage (articular)
000286213 650_7 $$2Other$$aImage processing (computer-assisted)
000286213 650_7 $$2Other$$aMagnetic resonance imaging
000286213 650_7 $$2Other$$aTriangular fibrocartilage
000286213 650_7 $$2Other$$aWrist joint
000286213 7001_ $$aWeber, Marc-André$$b1
000286213 7001_ $$aBalbach, Eva L$$b2
000286213 7001_ $$aHinsen, Maximilian$$b3
000286213 7001_ $$aGeissler, Frederik$$b4
000286213 7001_ $$0P:(DE-He78)054fd7a5195b75b11fbdc5c360276011$$aNagel, Armin M$$b5$$udkfz
000286213 7001_ $$0P:(DE-He78)022611a2317e4de40fd912e0a72293a8$$aLadd, Mark E$$b6$$udkfz
000286213 7001_ $$aArkudas, Andreas$$b7
000286213 7001_ $$aHorch, Raymund E$$b8
000286213 7001_ $$aGall, Christine$$b9
000286213 7001_ $$aUder, Michael$$b10
000286213 7001_ $$aRoemer, Frank W$$b11
000286213 773__ $$0PERI:(DE-600)2905812-0$$a10.1186/s41747-023-00394-1$$gVol. 7, no. 1, p. 80$$n1$$p80$$tEuropean radiology experimental$$v7$$x2509-9280$$y2023
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