Relaxometry

Our technical work on relaxometry focuses on the following directions:

  • Water-specific T1 and T2 mapping techniques affected by the presence of fat
  • Motion-robust simultaneous T1 and T2 mapping in body imaging
  • T1 and T2 mapping techniques which are robust to B1 and B0 inhomogeneities
  • Correction of temporal B0 variations in T2* mapping

Relevant publications

Abdominal Simultaneous 3d Water T1 and T2 Mapping Using a Free-breathing Cartesian Acquisition with Spiral Profile Ordering

J. Stelter; K. Weiss; L. Steinhelfer; J. Meineke; W. Zhang et al. 

MAGNETIC RESONANCE IN MEDICINE. 2025. DOI : 10.1002/mrm.70040.

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Beyond Morphology: Quantitative MR Relaxometry in Pulmonary Lesion Classification

M. Graf; A. W. Marka; A. Wachter; T. Lemke; N. Lenhart et al. 

Cancers. 2025. Vol. 17, num. 20. DOI : 10.3390/cancers17203370.

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Fully‐Constrained Variable Projection for Water‐Fat Models

C. Ganter; J. Stelter; L. Peyratoux; D. C. Karampinos; O. Bieri 

Magnetic Resonance in Medicine. 2026. DOI : 10.1002/mrm.70428.

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Reproducibility of proton density fat fraction assessment of thigh muscle in a multi-site, multi-vendor cohort study at 10 years after anterior cruciate ligament reconstruction

B. L. Eck; S. Gaj; R. Lartey; M. Li; J. Kim et al. 

Quantitative Imaging in Medicine and Surgery. 2024. Vol. 14, num. 12, p. 8099 – 8118. DOI : 10.21037/qims-24-287.

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Clinical feasibility of accelerated whole liver water T1 mapping with T2*-compensation

E. H. Moquillaza; L. Steinhelfer; K. Weiss; R. Walter; J. Stelter et al. 

European Radiology Experimental. 2026. Vol. 10, num. 1. DOI : 10.1186/s41747-026-00689-z.

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Whole pancreas water T1 mapping at 3 Tesla

E. Huaroc Moquillaza; K. Weiss; L. Steinhelfer; J. Stelter; M. R. Makowski et al. 

Magma (New York, N.Y.). 2025. Vol. 38, p. 271 – 283. DOI : 10.1007/s10334-025-01224-8.

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Dixon-Based Water T1 Mapping for Fat-Corrected Assessment of Hepatic Fibrosis in Chronic Liver Disease

N. Mesropyan; E. H. Moquillaza; J. Chang; P. Lutz; C. Katemann et al. 

Investigative Radiology. 2026. Vol. 61, num. 2, p. 84 – 91. DOI : 10.1097/RLI.0000000000001212.

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B0 navigator enables respiratory motion navigation in radial stack-of-stars liver Look-Locker T1 mapping

J. Stelter; K. Weiss; V. Spieker; J. A. Schnabel; R. F. Braren et al. 

Magnetic resonance in medicine. 2025. Vol. 94, num. 4, p. 1458 – 1468. DOI : 10.1002/mrm.30567.

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High-resolution 3D whole-heart bright- and black-blood imaging with co-registered T2 mapping at 0.55 T

I. Kokhanovskyi; C. Castillo-Passi; M. G. Crabb; C. Ganter; S. J. Littlewood et al. 

Frontiers in Cardiovascular Medicine. 2025. Vol. 12, p. 1572318. DOI : 10.3389/fcvm.2025.1572318.

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Texture analysis on muscle T2 maps can reveal changes in upper trapezius muscles related to primary headache disorders

N. Sollmann; P. Schandelmaier; C. Börner; S. Schramm; J. Stelter et al. 

Scientific Reports. 2026. Vol. 16, num. 1. DOI : 10.1038/s41598-026-63292-7.

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