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| Item Type: | Preprint |
|---|---|
| Title: | Deep learning-enabled MRI phenotyping uncovers regional body composition heterogeneity and disease associations in two European population cohorts |
| Creators Name: | Mertens, C.J., Häntze, H., Ziegelmayer, S., Kather, J.N., Truhn, D., Kim, S.H., Busch, F., Weller, D., Wiestler, B., Graf, M., Bamberg, F., Schlett, C.L., Weiss, J.B., Ringhof, S., Can, E., Schulz-Menger, J., Niendorf, T., Lammert, J., Molwitz, I., Kader, A., Hering, A., Meddeb, A., Nawabi, J., Schulze, M.B., Keil, T., Willich, S.N., Krist, L., Hadamitzky, M., Hannemann, A., Bassermann, F., Rueckert, D., Pischon, T., Hapfelmeier, A., Makowski, M.R., Bressem, K.K. and Adams, L.C. |
| Abstract: | Body mass index (BMI) does not account for substantial inter-individual differences in regional fat and muscle compartments, which are relevant for the prevalence of cardiometabolic and cancer conditions. We applied a validated deep learning pipeline for automated segmentation of whole-body MRI scans in 45,851 adults from the UK Biobank and German National Cohort, enabling harmonized quantification of visceral (VAT), gluteofemoral (GFAT), and abdominal subcutaneous adipose tissue (ASAT), liver fat fraction (LFF), and trunk muscle volume. Associations with clinical conditions were evaluated using compartment measures adjusted for age, sex, height, and BMI. Our analysis demonstrates that regional adiposity and muscle volume show distinct associations with cardiometabolic and cancer prevalence, and that substantial disease heterogeneity exists within BMI strata. The analytic framework and reference data presented here will support future risk stratification efforts and facilitate the integration of automated MRI phenotyping into large-scale population and clinical research. |
| Source: | medRxiv |
| Publisher: | Cold Spring Harbor Laboratory Press |
| Article Number: | 2025.06.03.25328867 |
| Date: | 6 June 2025 |
| Official Publication: | https://doi.org/10.1101/2025.06.03.25328867 |
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