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(Radiology. 2001;219:567-573.)
© RSNA, 2001

Technical Developments

Fetus and Uteroplacental Unit: Fast MR Imaging with Three-dimensional Reconstruction and Volumetry—Feasibility Study1

Rahel A. Kubik-Huch, MD, Simon Wildermuth, MD, Luca Cettuzzi, MD, Annett Rake, MD, Burkhardt Seifert, PhD, Rabih Chaoui, MD and Borut Marincek, MD

1 From the Departments of Radiology (R.A.K.H., S.W., L.C., B.M.), Obstetrics (A.R., R.C.), and Biostatistics (B.S.), University Hospital Zürich, Rämistrasse 100, CH-8091 Zürich, Switzerland. Received June 19, 2000; revision requested July 24; revision received August 16; accepted September 12. Supported by a grant from EMDO Stiftung, Zurich, Switzerland. Address correspondence to R.A.K.H. (e-mail: rahel.kubik@dmr.usz.ch).

In 22 fetuses, three-dimensional reconstruction was performed on the basis of T2-weighted magnetic resonance (MR) data sets by using a surface-rendering technique. Fetuses and uteroplacental units were segmented manually; volumes were calculated automatically. Three-dimensional reconstruction and volumetry of the fetus and uteroplacental unit are feasible with MR data sets. MR estimates correlated closely with ultrasonographic fetal biometric estimates and birth weight.

Index terms: Fetus, MR, 856.121416 • Magnetic resonance (MR), three-dimensional, 856.12141 • Pregnancy, MR, 856.121416


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