Oral
Pediatric Body Imaging
ISMRM & ISMRT Annual Meeting & Exhibition • 10-15 May 2025 • Honolulu, Hawai'i
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0537. Initial
clinical evaluation of a 60-channel small loop receive coil
array for high-resolution pediatric MRI
M. Moeremans, W. Lee, P. Jayapal, F. Robb, J. Pauly, S.
Vasanawala, A. Syed
Stanford University, Stanford, United States
Impact: This work provides initial clinical feasibility
on using a small-loop receive coil array for imaging of the
chest, abdomen, and pelvis. Diagnostic image quality was
obtained in all cases, indicating the small element size is
feasible in clinical use.
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| 13:42 |
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0538. Evaluation
of Pediatric MRI with a High-Density Posterior Cushion Coil
T. Jao, P. Jayapal, J. Vincent, F. Robb, J. Pauly, T.
Grafendorfer, Y. J. Stickle, M. Giancola, C. Follante, G.
Scott, S. Vasanawala, A. Syed
Stanford University, Stanford, United States
Impact: HDPCC can improve SNR in pediatric MRI by
conforming to the body and minimizing distance to the imaged
volume.
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| 13:54 |
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0539. Utility
of DCMRL in Guiding Interventions for Lymphatic Conditions in
Patients with Congenital Heart Disease
A. Kodidhi, M. Fares, S. Pimpalwar, S. Reddy, L. Gaur, T.
Hussain
University of Texas Southwestern, Dallas, United States
Impact: Use of MR lymphatic imaging to identify
lymphatic anatomy, flow characteristics, and lymphovenous
connections allows for enhanced understanding of lymphatic
pathophysiology and will improve accuracy in identifying
targets for selective intervention in patients with
congenital heart disease.
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| 14:06 |
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0540. Automated
Abdominal Adipose Tissue Segmentation and Quantification in
Children using Free-Breathing Dixon MRI and 3D Neural Networks
S. Kafali, T. Adamos, K. Kuwahara, A. Dong, J. Li, W. Zhou,
S-F Shih, T. Delgado, S. Ghahremani, K. Calkins, H. Wu
University of California, Los Angeles, Los Angeles, United States
Impact: We developed 3D neural networks to automatically
segment and quantify abdominal subcutaneous and visceral
adipose tissue (SAT, VAT) characteristics in children (6-18
years) using free-breathing MRI. These methods can be used
to study risk factors for cardiometabolic diseases in
children.
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| 14:18 |
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0541. Liver
Fat Quantification in Infants using Free-Breathing 3D
Stack-of-Radial MRI and Phase-Corrected Non-Rigid Motion
Compensation
S-F Shih, S. G. Kafali, T. Delgado, A. Dong, S. Ghahremani
Koureh, K. Calkins, H. Wu
David Geffen School of Medicine, University of California Los Angeles, Los Angeles, United States
Impact: This technique has the potential to serve as a
useful research tool for investigating liver fat
distribution or body composition in infants without
sedation.
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| 14:30 |
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0542. Motion
Robust Gradient Echo-based T2 Mapping Using Readout Alternation
for Pediatric Liver Imaging
D. Tamada, L. Müller, D. Hernando, S. Reeder
University of Wisconsin-Madison, Madison, United States
Impact: Implementing readout alternation (ROA) in
GRE-based T2 mapping enhances motion robustness, enabling
reliable whole-liver imaging. This advancement may improve
diagnostic capabilities for liver diseases and encourage
broader clinical adoption of rapid T2 mapping techniques in
populations prone to motion artifacts.
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| 14:42 |
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0543. Variability
in 13C MRS Measurement of Liver Glycogen in Children.
A. Spicer, P. Gowland, S. Francis, E. Simpson, I.
Macdonald, S. Bawden
University of Nottingham, Nottingham, United Kingdom
Impact: With both intra-subject and inter-subject
reproducibility of liver glycogen concentration in children
matching literature values for adults, this shows the
viability of MRS as a tool to measure liver glycogen in a
diverse population.
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| 14:54 |
0544. High-Resolution
Structural and Functional Lung Assessment of Neonates with
Bronchopulmonary Dysplasia using 3D UTE FLORET MRI
S. Munidasa, N. Higano, M. Willmering, A. Matheson, P.
Kingma, E. Hysinger, J. Woods
Cincinnati Children's Hospital Medical Center, Cincinnati, United States
Impact: Existing 2D multi-slice MRI-based regional
ventilation has limited in spatial resolution. Whole-lung
ventilation assessment is feasible using 3D ultra-short echo
time sequences and can be directly compared to structural
abnormalities, with demonstrated potential for clinical
translation, even in young infants.
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| 15:06 |
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0545. Feasibility
of Multi-Site Structural and Functional Pulmonary MRI in
Non-Sedated Infants Born Extremely Preterm
B. Zanette, F. Klimeš, A. Voskrebenzev, A. Coblentz, R.
Shamsi, J. Vogel-Claussen, M-L Greer, N. Abdeen, S.
Deschenes, Z. Khumalo, T. Moraes, A. Mohamed, G. Altit, T.
M. Luu, L. Lands, G. Santyr, S. Katz
The Hospital for Sick Children, Toronto, Canada
Impact: Across multiple sites, UTE and PREFUL MRI is
feasible in non-sedated infants born <29 weeks and sensitive
to structural, ventilation, and perfusion abnormalities in
this population.
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| 15:18 |
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0546. Regional
evaluation of pulmonary blood arrival time assessed by matrix
pencil decomposition MRI in pediatric patients with cystic
fibrosis
A. De Silvestro, G. Bauman, O. Pusterla, J. Usemann, G.
Raffler, S. Vogt, J. Geiger, O. Bieri, A. Moeller, C.
Kellenberger, R. Heule
University Children's Hospital Zurich, University of Zurich, Zurich, Switzerland
Impact: The delay of regional pulmonary blood arrival
time in perfusion defects of CF patients correlates with
total MR-lung volume, and is presumably impacted by impaired
lung structure and function. Further investigation may lead
to more sensitive evaluation of lung pathologies.
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