Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies

Background: Ultrasonography (US) is the first-line diagnostic tool used to assess fetal musculoskeletal (MSK) anomalies. Associated anomalies in other organ systems may benefit from evaluation via Magnetic Resonance Imaging (MRI). In this study, we compared the diagnostic accuracy of US and MRI to d...

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Main Authors: Roy U. Bisht, Mohan V. Belthur, Ian M. Singleton, Luis F. Goncalves
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Children
Subjects:
Online Access:https://www.mdpi.com/2227-9067/10/6/1015
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author Roy U. Bisht
Mohan V. Belthur
Ian M. Singleton
Luis F. Goncalves
author_facet Roy U. Bisht
Mohan V. Belthur
Ian M. Singleton
Luis F. Goncalves
author_sort Roy U. Bisht
collection DOAJ
description Background: Ultrasonography (US) is the first-line diagnostic tool used to assess fetal musculoskeletal (MSK) anomalies. Associated anomalies in other organ systems may benefit from evaluation via Magnetic Resonance Imaging (MRI). In this study, we compared the diagnostic accuracy of US and MRI to diagnose fetal MSK (primary objective) and non-MSK anomalies (secondary objective). We describe additional findings by low-dose computerized tomography (CT) in two cases incompletely characterized via US and MRI. Materials and Methods: This was an IRB-approved retrospective study of consecutive patients with suspected fetal MSK anomalies examined between December 2015 and June 2020. We compared individual MSK and non-MSK anomalies identified via US, MRI, and CT with postnatal outcomes. Sensitivity and specificity for US and MRI were calculated and compared. Results: A total of 31 patients with 112 MSK and 43 non-MSK anomalies were included. The sensitivity of MRI and US for MSK anomalies was not significantly different (76.6% vs. 61.3%, <i>p</i> = 0.3). Low-dose CT identified eight additional skeletal anomalies. MRI diagnosed a higher number of non-MSK anomalies compared to US (81.4% vs. 37.2%, <i>p</i> < 0.05). Conclusions: Fetal MRI and US have comparable sensitivity for MSK anomalies. In selected cases, low-dose CT may provide additional information. Fetal MRI detected a larger number of non-MSK anomalies in other organ systems compared to US. Multimodality imaging combining all the information provided by MRI, US, and CT, if necessary, ultimately achieved a sensitivity of 89.2% (95% CI: 83.4% to 95.0%) for the diagnosis of musculoskeletal anomalies and 81.4% for additional anomalies in other organs and systems.
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spelling doaj.art-e73ba91387474cb7a92c8c67928008ae2023-11-18T09:50:23ZengMDPI AGChildren2227-90672023-06-01106101510.3390/children10061015Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal AnomaliesRoy U. Bisht0Mohan V. Belthur1Ian M. Singleton2Luis F. Goncalves3University of Arizona College of Medicine—Phoenix, 475 N. 5th St., Phoenix, AZ 85004, USADepartment of Child Health & Orthopedics, University of Arizona College of Medicine—Phoenix, 1919 E. Thomas Rd., Phoenix, AZ 85004, USAUniversity of Arizona College of Medicine—Phoenix, 475 N. 5th St., Phoenix, AZ 85004, USADepartment of Radiology, Phoenix Children’s Hospital, 1919 E. Thomas Rd., Phoenix, AZ 85016, USABackground: Ultrasonography (US) is the first-line diagnostic tool used to assess fetal musculoskeletal (MSK) anomalies. Associated anomalies in other organ systems may benefit from evaluation via Magnetic Resonance Imaging (MRI). In this study, we compared the diagnostic accuracy of US and MRI to diagnose fetal MSK (primary objective) and non-MSK anomalies (secondary objective). We describe additional findings by low-dose computerized tomography (CT) in two cases incompletely characterized via US and MRI. Materials and Methods: This was an IRB-approved retrospective study of consecutive patients with suspected fetal MSK anomalies examined between December 2015 and June 2020. We compared individual MSK and non-MSK anomalies identified via US, MRI, and CT with postnatal outcomes. Sensitivity and specificity for US and MRI were calculated and compared. Results: A total of 31 patients with 112 MSK and 43 non-MSK anomalies were included. The sensitivity of MRI and US for MSK anomalies was not significantly different (76.6% vs. 61.3%, <i>p</i> = 0.3). Low-dose CT identified eight additional skeletal anomalies. MRI diagnosed a higher number of non-MSK anomalies compared to US (81.4% vs. 37.2%, <i>p</i> < 0.05). Conclusions: Fetal MRI and US have comparable sensitivity for MSK anomalies. In selected cases, low-dose CT may provide additional information. Fetal MRI detected a larger number of non-MSK anomalies in other organ systems compared to US. Multimodality imaging combining all the information provided by MRI, US, and CT, if necessary, ultimately achieved a sensitivity of 89.2% (95% CI: 83.4% to 95.0%) for the diagnosis of musculoskeletal anomalies and 81.4% for additional anomalies in other organs and systems.https://www.mdpi.com/2227-9067/10/6/1015fetal ultrasoundfetal MRIlow-dose computerized tomographyprenatal diagnosisskeletal dysplasias
spellingShingle Roy U. Bisht
Mohan V. Belthur
Ian M. Singleton
Luis F. Goncalves
Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
Children
fetal ultrasound
fetal MRI
low-dose computerized tomography
prenatal diagnosis
skeletal dysplasias
title Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
title_full Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
title_fullStr Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
title_full_unstemmed Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
title_short Accuracy of Multimodality Fetal Imaging (US, MRI, and CT) for Congenital Musculoskeletal Anomalies
title_sort accuracy of multimodality fetal imaging us mri and ct for congenital musculoskeletal anomalies
topic fetal ultrasound
fetal MRI
low-dose computerized tomography
prenatal diagnosis
skeletal dysplasias
url https://www.mdpi.com/2227-9067/10/6/1015
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