Skip to main content
Top
Published in: European Radiology 2/2022

01-02-2022 | Neuro

Single-direction diffusion-weighted imaging may be a simple complementary sequence for evaluating fetal corpus callosum

Authors: Cong Sun, Xinjuan Zhang, Xin Chen, Tianjia Zhu, Yufan Chen, Jinxia Zhu, Hao Huang, Guangbin Wang

Published in: European Radiology | Issue 2/2022

Login to get access

Abstract

Objectives

To explore the feasibility of single-direction diffusion-weighted imaging (DWI) for assessing the fetal corpus callosum (CC).

Methods

This prospective study included 67 fetuses with normal CC and 35 fetuses suspected with agenesis of the corpus callosum (ACC). The MR protocols included HASTE, TrueFISP, and single-direction DWI. Two radiologists independently evaluated the optimal visibility and the contrast ratio (CR) of the normal fetal CC. The Chi-squared test or Fisher’s exact test was used to compare the proportions of “good” visibility (score ≥ 3, and the CC was almost/entirely visible) between single-direction DWI and HASTE/TrueFISP. The CR difference between single-direction DWI and HASTE/TrueFISP was detected using the paired t-test. The diagnostic accuracies were determined by comparison with postnatal imaging. In fetuses suspected of ACC, we measured and compared the length and area of the mid-sagittal CC in the single-direction DWI images.

Results

The proportion of “good” visibility in single-direction DWI was higher than that in HASTE/TrueFISP, with p < 0.0001. The mean CR from single-direction DWI was also higher than that of TrueFISP and HASTE (both with p < 0.0001). The diagnostic accuracy of the single-direction DWI combined with HASTE/TrueFisp (97.1%, 34/35) was higher than that of the Haste/TrueFISP (74.3%, 26/35) (p = 0.013). The length and area of the PACC (p < 0.001, p = 0.001, respectively) and HCC (p < 0.001, p = 0.018, respectively) groups were significantly lower than those of the normal group.

Conclusions

The single-direction DWI is feasible in displaying fetal CC and can be a complementary sequence in diagnosing ACC.

Key Points

• We suggest a simple method for the display of the fetal CC.
• The optimal visibility and contrast ratio from single-direction DWI were higher than those from HASTE and TrueFISP.
• The diagnostic accuracy of the single-direction DWI combined with HASTE/TrueFISP sequences (97.1%, 34/35) was higher than that of the Haste/TrueFISP (74.3%, 26/35).
Appendix
Available only for authorised users
Literature
3.
17.
go back to reference Milos R-I (2020) Developmental dynamics of the periventricular parietal crossroads of growing cortical pathways in the fetal brain - in vivo fetal MRI with histological correlation. Nuerolmage 210:116553CrossRef Milos R-I (2020) Developmental dynamics of the periventricular parietal crossroads of growing cortical pathways in the fetal brain - in vivo fetal MRI with histological correlation. Nuerolmage 210:116553CrossRef
29.
go back to reference Bando Y (2019) Roads to formation of normal myelin structure and pathological myelin structure. In: Sango K, Yamauchi J, Ogata T, Susuki K (eds) Myelin. Springer Singapore, Singapore, pp 257–264CrossRef Bando Y (2019) Roads to formation of normal myelin structure and pathological myelin structure. In: Sango K, Yamauchi J, Ogata T, Susuki K (eds) Myelin. Springer Singapore, Singapore, pp 257–264CrossRef
Metadata
Title
Single-direction diffusion-weighted imaging may be a simple complementary sequence for evaluating fetal corpus callosum
Authors
Cong Sun
Xinjuan Zhang
Xin Chen
Tianjia Zhu
Yufan Chen
Jinxia Zhu
Hao Huang
Guangbin Wang
Publication date
01-02-2022
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 2/2022
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-021-08176-2

Other articles of this Issue 2/2022

European Radiology 2/2022 Go to the issue