Evidence mapPaperPMID 39349644Full record

ArticleAbdominal radiology (New York)2025

T1 signal intensity ratio correlation with T1 mapping in pediatric pancreatitis.

Pradipta Debnath, Jean Tkach, Michelle Saad, David S Vitale, Maisam Abu-El-Haija, Andrew T Trout

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Article in Abdominal radiology (New York), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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3citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

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3 · Its place in the literature

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3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Pradipta DebnathCincinnati Children's Hospital Medical Center, Cincinnati, USA.
Jean TkachCincinnati Children's Hospital Medical Center, Cincinnati, USA.
Michelle SaadCincinnati Children's Hospital Medical Center, Cincinnati, USA.
David S VitaleCincinnati Children's Hospital Medical Center, Cincinnati, USA.
Maisam Abu-El-HaijaCincinnati Children's Hospital Medical Center, Cincinnati, USA.
Andrew T TroutCincinnati Children's Hospital Medical Center, Cincinnati, USA. andrew.trout@cchmc.org.

Funding

Stem Cell/Organoid and Genome Editing CoreP30DK078392 · CINCINNATI CHILDRENS HOSP MED CTR · 2025 to 2025
$1.2M
NIDDK NIH HHS P30 DK078392NIDDK NIH HHS R01 DK132346
6 · The paper itself

Abstract

purposeOur primary purpose was to understand the correlation between pancreas T1-weighted signal intensity ratio (SIR) and T1 relaxation time in children. We also sought to characterize differences in T1 SIR between children without and with pancreatitis.

methodsRetrospective study of patients < 18-years-old. SIR-pancreas:spleen (SIR-PS) and SIR-pancreas:paraspinal muscle (SIR-PM) were generated from T1-weighted gradient recalled echo images. Subdivided by field strength, T1 SIR was correlated (Spearman's) with T1 relaxation time.

results220 participants were included, 144 imaged at 1.5T (mean: 11.4 ± 4.2 years) and 76 imaged at 3T (mean: 10.9 ± 4.5 years). At 1.5T, SIR-PS (rho=-0.62, 95% CI: -0.71 to -0.51, p < 0.0001) and SIR-PM (rho=-0.57, 95% CI: -0.67 to -0.45, p < 0.0001) moderately negatively correlated with T1 relaxation time. At 3T, correlations between T1 SIR and T1 relaxation time were moderate (rho=-0.40 to -0.43, p ≤ 0.0003). SIR-PS was significantly different between patient groups at 1.5T (p < 0.0001) with pairwise differences between: normal vs. acute on chronic pancreatitis (1.52 vs. 1.13; p < 0.0001). SIR-PM was also significantly different between groups at 1.5T (p < 0.0001) with differences between: normal vs. acute pancreatitis (1.65 vs. 1.40; p = 0.0006), normal vs. acute on chronic pancreatitis (1.65 vs. 1.18; p < 0.0001), and normal vs. chronic pancreatitis (1.65 vs. 1.52; p = 0.0066). A SIR-PS cut-off of ≤ 1.31 had 44% sensitivity and 95% specificity and SIR-PM cut-off of ≤ 1.53 had 69% sensitivity and 70% specificity for pancreatitis. At 3T, SIR-PS was significantly different between groups (p = 0.033) but without significant pairwise differences.

conclusionAt 1.5T pancreas T1 SIR moderately to strongly correlates with estimated T1 relaxation time and is significantly lower in children with pancreatitis.

Indexed as

Magnetic Resonance ImagingPancreatitisAdolescentChildChild, PreschoolFemaleHumansMalePancreasRetrospective StudiesMRIPancreasPancreatitisRelaxometrySignal intensityT1

Identifiers

PMID39349644
PMCPMC11821784

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