Universität zu Köln

Krug, Kathrin Barbara ORCID: 0000-0003-4003-2413, Burke, Christina Jane, Weiss, Kilian ORCID: 0000-0003-4295-4585, Baltzer, Pascal A. T., Rhiem, Kerstin, Maintz, David, Schlamann, Marc and Hellmich, Martin (2022). Influence of aging and gadolinium exposure on T1, T2, and T2*-relaxation in healthy women with an increased risk of breast cancer with and without prior exposure to gadoterate meglumine at 3.0-T brain MR imaging. Eur. Radiol., 32 (1). S. 331 - 346. NEW YORK: SPRINGER. ISSN 1432-1084

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Abstract

Objectives We examined the effects of aging and of gadolinium-based contrast agent (GBCA) exposure on MRI measurements in brain nuclei of healthy women. Methods This prospective, IRB-approved single-center case-control study enrolled 100 healthy participants of our high-risk screening center for hereditary breast cancer, who had received at least six doses of macrocyclic GBCA (exposed group) or were newly entering the program (GBCA-naive group). The cutoff at least six doses was chosen to be able to include a sufficient number of highly exposed participants. All participants underwent unenhanced 3.0-T brain MRI including quantitative T1, T2, and R2* mapping and T1- and T2-weighted imaging. The relaxation times/signal intensities were derived from region of interest measurements in the brain nuclei performed by a radiologist and a neuroradiologist, both board certified. Statistical analysis was based on descriptive evaluations and uni-/multivariable analyses. Results The participants (exposed group: 49, control group: 51) were aged 42 +/- 9 years. In a multivariable model, age had a clear impact on R2* (p < 0.001-0.012), T2 (p = 0.003-0.048), and T1 relaxation times/signal intensities (p < 0.004-0.046) for the majority of deep brain nuclei, mostly affecting the substantia nigra, globus pallidus (GP), nucleus ruber, thalamus, and dentate nucleus (DN). The effect of prior GBCA administration on T1 relaxation times was statistically significant for the DN, GP, and pons (p = 0.019-0.037). Conclusions In a homogeneous group of young to middle-aged healthy females aging had an effect on T2 and R2* relaxation times and former GBCA applications influenced the measured T1 relaxation times. Summary statement Healthy women with and without previous GBCA-enhanced breast MRI exhibited age-related T2* and T2 relaxation alterations at 3.0 T-brain MRI. T1 relaxation alterations due to prior GBCA administration were comparatively less pronounced.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Krug, Kathrin Barbara UNSPECIFIED orcid.org/0000-0003-4003-2413 UNSPECIFIED Burke, Christina Jane UNSPECIFIED UNSPECIFIED UNSPECIFIED Weiss, Kilian UNSPECIFIED orcid.org/0000-0003-4295-4585 UNSPECIFIED Baltzer, Pascal A. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rhiem, Kerstin UNSPECIFIED UNSPECIFIED UNSPECIFIED Maintz, David UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlamann, Marc UNSPECIFIED UNSPECIFIED UNSPECIFIED Hellmich, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-585099
DOI:	10.1007/s00330-021-08069-4
Journal or Publication Title:	Eur. Radiol.
Volume:	32
Number:	1
Page Range:	S. 331 - 346
Date:	2022
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1432-1084
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language GLOBUS-PALLIDUS; DENTATE NUCLEUS; MULTIPLE ADMINISTRATIONS; SIGNAL INTENSITY; CONTRAST; DEPOSITION; IMAGES; GADOBUTROL; IRON Multiple languages Radiology, Nuclear Medicine & Medical Imaging Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58509