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[MR angiography in neuropediatric problems: the technic and the clinical results]
T J Vogl1, J O Balzer, J Stemmler
1Radiologische Poliklinik, Universität München.
Abstract:
31 children aged between 6 months and 14 years with various neurovascular abnormalities were examined by MR angiography in a prospective study. In order to test the sensitivity and specificity of the MR results, these were compared in 8 cases with the findings of digital subtraction angiography or conventional angiography. In 24 patients arterial MR angiography was performed; in 17 these showed anomalies or abnormalities of the intracranial vascular system. In 7 patients venous MR angiography was performed and demonstrated the presence of sinus thrombosis in 6 of these. Comparison between MR angiography and DSA showed agreement in 7 cases; in one patient the degree of a stenosis was exaggerated by MR. The results of this study indicate that arterial and venous MR is of great value as an additional study in paediatric neurovascular problems.
Insights
Magnetic Resonance (MR) angiography is valuable for diagnosing pediatric neurovascular abnormalities. This study found MR angiography effective in identifying intracranial vascular issues and sinus thrombosis in children.
Area of Science:
- Pediatric Neurology
- Neuroradiology
- Medical Imaging
Background:
- Neurovascular abnormalities present unique diagnostic challenges in children.
- Accurate imaging is crucial for timely and effective treatment planning.
Purpose of the Study:
- To evaluate the diagnostic accuracy of Magnetic Resonance (MR) angiography in pediatric patients with neurovascular abnormalities.
- To compare MR angiography findings with conventional angiography and digital subtraction angiography (DSA).
Main Methods:
- Prospective study involving 31 children (6 months to 14 years) with suspected neurovascular conditions.
- Arterial and venous MR angiography performed.
- Comparison of MR angiography results with DSA or conventional angiography in 8 cases.
Main Results:
- Arterial MR angiography identified intracranial vascular anomalies in 17 out of 24 patients.
- Venous MR angiography detected sinus thrombosis in 6 out of 7 patients.
- MR angiography showed agreement with DSA in 7 cases, with one instance of exaggerated stenosis.
Conclusions:
- Arterial and venous MR angiography are highly valuable tools for evaluating pediatric neurovascular conditions.
- MR angiography serves as an effective supplementary diagnostic study in pediatric neuroradiology.