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000306610 1001_ $$0P:(DE-He78)1201a9606822f1cf70c89d77f5877481$$aWang, Yuting$$b0$$eFirst author$$udkfz
000306610 245__ $$aUltimate Intrinsic SNR in the Torso of Realistic Body Models.
000306610 260__ $$aNew York, NY [u.a.]$$bWiley-Liss$$c2026
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000306610 500__ $$a#EA:E020#LA:E020# / 2026 Apr;95(4):2409-2419
000306610 520__ $$aThis work aims to investigate how the ultimate intrinsic signal-to-noise ratio (uiSNR) varies with increasing static magnetic field B 0 $$ {B}_0 $$ in the torso of realistic body models.A dipole cloud was positioned around the realistic body model and randomly excited. The volume integral solver MARIE was used to calculate the corresponding electromagnetic fields. The uiSNR maps were calculated using these electromagnetic bases and were fitted with the power law for different B 0 $$ {B}_0 $$ ranges.The uiSNR could be reliably calculated in regions deeper than 3 cm, where convergence of uiSNR over the number of basis vectors was achieved. In a lower magnetic field range (from 0.55 to 3 T), the uiSNR increases roughly linearly versus B 0 $$ {B}_0 $$ with small variation throughout the torso (Ella: uiSNR ∝ B0 0.96±0.07, Duke: uiSNR ∝ B0 0.98±0.10). In an upper magnetic field range (from 5 to 14 T), the uiSNR increases superlinearly in the torso (Ella: uiSNR ∝ B0 1.86±0.25, Duke: uiSNR ∝ B0 1.99±0.28), with a larger variation correlated to the heterogeneous structure of the body model.The superlinear scaling exponent in the upper magnetic field range indicates the promise of applying UHF MRI for body imaging.
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000306610 650_7 $$2Other$$aMRI
000306610 650_7 $$2Other$$ain silico
000306610 650_7 $$2Other$$atorso
000306610 650_7 $$2Other$$auiSNR
000306610 7001_ $$00000-0003-3869-9681$$aMay, Markus W$$b1
000306610 7001_ $$00000-0001-9723-5233$$aGratz, Marcel$$b2
000306610 7001_ $$0P:(DE-He78)022611a2317e4de40fd912e0a72293a8$$aLadd, Mark$$b3$$udkfz
000306610 7001_ $$0P:(DE-He78)7985b432d853ab8929db0f1cb121667f$$aOrzada, Stephan$$b4$$eLast author$$udkfz
000306610 773__ $$0PERI:(DE-600)1493786-4$$a10.1002/mrm.70202$$gp. mrm.70202$$n4$$p2409-2419$$tMagnetic resonance in medicine$$v95$$x1522-2594$$y2026
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