Comparison of congenital pulmonary airway malformation volume ratios calculated by ultrasound and magnetic resonance imaging

Anna G. Euser, Mariana L. Meyers, Michael V. Zaretsky, Timothy M. Crombleholme

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objective: To compare congenital pulmonary airway malformation (CPAM) volume to head circumference ratios (CVRs) determined by different imaging modalities and calculation techniques. Methods: Fetal thoracic lesion images by ultrasound (US) and magnetic resonance imaging (MRI) were retrospectively reviewed and the CVRs were calculated. The CVRUS was determined by the standard method. The CVRMRI was calculated from T2-weighted sequences (HASTE/SSH-TSE) in two ways, dimensional measurements analogous to US technique (MRI-D) and by using a MRI-software calculated volume (MRI-V). CVR values between methods were compared using Wilcoxon matched-pairs signed-rank testing, Bland–Altman analyses, and Spearman correlations. Results: Appropriate images were available to compare CVRUS to CVRMRI-D for 20 patients and CVRUS to CVRMRI-V for 18 patients. There were no significant differences in CVR values between modalities. By Bland–Altman analyses, the CVR measurements were largely within the limits of agreement: 18 of 20 for CVRMRI-D and 17 of 18 for CVRMRI-V, with a slight bias towards larger measurements by MRI. Conclusions: Though values varied between modalities for individual patients, there was no systematic difference in CVRs determined by US or MRI. Fetal prognostic category for CPAMs did not change based on MRI in any patient in this series.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalJournal of Maternal-Fetal and Neonatal Medicine
DOIs
StateAccepted/In press - Dec 22 2015

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Magnetic Resonance Imaging
Lung
Thorax
Software
Head

Keywords

  • Bland–Altman
  • fetus
  • magnetic resonance imaging
  • pulmonary lesions
  • ultrasound

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

Comparison of congenital pulmonary airway malformation volume ratios calculated by ultrasound and magnetic resonance imaging. / Euser, Anna G.; Meyers, Mariana L.; Zaretsky, Michael V.; Crombleholme, Timothy M.

In: Journal of Maternal-Fetal and Neonatal Medicine, 22.12.2015, p. 1-6.

Research output: Contribution to journalArticle

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