Abstract
Purpose
Brain MRI provides important information about suspected congenital CMV infection in neonatally underdiagnosed children. This study aimed to describe MRI findings in children in whom congenital CMV infection was not suspected during the neonatal period and was proven retrospectively.
Methods
We enrolled 31 children referred to the pediatric neurology clinic with neurological symptoms who were proven to have congenital CMV infection based on dried umbilical cord samples. Upon diagnosis, MR and CT images were assessed using the van der Knaap scoring system integrated with additional variables. Two investigators independently assessed all images.
Results
The age at diagnosis was < 12 months in 14, 12–24 months in 11, and > 24 months in 6 patients. The initial symptom triggering clinic referral was delayed development in 22, seizure in 5, deafness in 3, and hemiplegia in 1 patient. Of the 31 children, 30 had a white matter (WM) abnormality predominant in the deep WM of the parietal lobe (n = 25). Anterior temporal lesions were observed in 21 children. Cortical lesions were observed in 7 children, suggestive of polymicrogyria. No child had cerebellar or brainstem abnormalities. Brain CT was performed in 22 of 31 children, and 11 showed punctate cerebral calcification in the periventricular and/or deep WM.
Conclusion
Patients with congenital CMV infection with delayed neurological symptoms show a relatively uniform pattern of parietal-dominant multifocal WM lesions and anterior temporal lesions, with or without polymicrogyria.
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Abbreviations
- CMV:
-
Cytomegalovirus
- SGA:
-
Small for gestational age
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All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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H.K. wrote the first draft and all authors reviewed the final version of the manuscript. H.K. and Y.I. have been principal investigators, and all authors collected the data presented in this paper.
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Kidokoro, H., Shiraki, A., Torii, Y. et al. MRI findings in children with congenital cytomegalovirus infection retrospectively diagnosed with dried umbilical cord. Neuroradiology 63, 761–768 (2021). https://doi.org/10.1007/s00234-020-02603-9
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DOI: https://doi.org/10.1007/s00234-020-02603-9