Role of MRI CSF Flowmetry in Evaluation of Different Pediatric Neurological Diseases

Document Type : Original Article

Authors

1 M.B.B.ch. Faculty of Medicine Ain Shams University

2 Assistant Professor of Radiology Faculty of Medicine for Girls Al- Azhar University

3 Lecturer of Radiology Faculty of Medicine for Girls Al- Azhar University

https://doi.org/10.21608/aimj.2025.446495

Abstract

Background: For CSF flow dynamics evaluation, phase contrast MRI is frequently applied in conditions such as communicating hydrocephalus, non-communicating hydrocephalus, and post-neurosurgical scenarios.
Subjects and methods: 28 patients (7 males and 21 females) aged 4 months to 15 years were referred to the MRI department at Al Zahraa University Hospitals. Participants were grouped into three categories according to clinical observations and conventional MRI results: communicating hydrocephalus, non-communicating hydrocephalus caused by aqueductal stenosis, and non-communicating hydrocephalus managed with a ventriculoperitoneal (VP) shunt.
Results: Regarding communicating hydrocephalus, it is indicated by increased T2 flow void at the aqueduct of Sylvius (3D-DRIVE) and verified by the detection of CSF flow at the aqueduct of Sylvius on PCMRI. All individuals with suspected aqueductal stenosis showed absence aqueduct of Sylvius flow void by 3D-Drive and no CSF flow at the aqueduct of sylvius by PCMRI. Regarding patients who had ETV, 12 patients had jets of CSF flow through ventriculostomy, and 4 patients had inadequate CSF flow through the stoma, which was detected by PC-MRI. Regarding patients who had a VP shunt by PCMRI, one of them has a functioning shunt, and 2 patients have a nonfunctioning shunt by detection of CSF flow through the shunt.
   Conclusion: We suggest utilizing phase-contrast MRI in all cases that have ETV and VP shunt as it can detect its function that is the gold stander role of our recommended technique.
 

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