Characteristic Magnetic Resonance Image Features of Acute Network Injury in Young Patients

Cerebral infarction is known to cause secondary degeneration of the areas connected to the primarily damaged regions. This has been named as acute network injury and is usually recognized in newborns or babies by high signal intensity on diffusion-weighted imaging (DWI). In this article, we present...

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Bibliographic Details
Published in:Case reports in neurology 2021-09, Vol.13 (3), p.628-633
Main Authors: Kim, Sohyeon, Sohn, Sung-Il, Park, Hyungjong, Kim, JoonSik, Hong, Jeong-Ho
Format: Article
Language:English
Subjects:
Babies
Brain research
Case reports
Case Series - General Neurology
Cesarean section
child
Convulsions & seizures
Electroencephalography
Injuries
Magnetic resonance imaging
Medical imaging
Newborn babies
Patients
Stroke
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Summary:Cerebral infarction is known to cause secondary degeneration of the areas connected to the primarily damaged regions. This has been named as acute network injury and is usually recognized in newborns or babies by high signal intensity on diffusion-weighted imaging (DWI). In this article, we present 2 cases demonstrating several characteristics of network injury. Some features are comparable to previous studies and others are distinctive to our cases. The patients not only showed secondary injury in the thorough pyramidal tract along the longitudinal extensions of neural tracts as expected but also followed transverse connections to reach the contralateral hemisphere. The location of network injury varied according to the initial lesion and projected in an omnidirectional manner as long as the brain parts are interconnected. In addition, the cases well demonstrated the temporal changes on brain imaging. Network injury appeared on DWI around a week after major damage and then subsequently disappeared. The overall process of appearance to disappearance was completed within 2 weeks from the symptom onset. As ominous neurological outcomes are thought to be related to acute network injuries, a comprehensive understanding of the phenomenon is pivotal in improving diagnosis and management.
ISSN:1662-680X
1662-680X
DOI:10.1159/000518726