Possibilities and limits of computed tomography and angiography in diagnosis of cerebral vascular malformations
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Computed tomography (CT) effectively identifies various cerebral vascular malformations, including angiomas and aneurysms, but has diagnostic limitations. Angiography is crucial for confirming CT findings in patients with these brain vascular conditions.
Area of Science:
- Neurology
- Radiology
- Neurosurgery
Background:
- Cerebral vascular malformations are a group of abnormalities in the brain's blood vessels.
- Accurate diagnosis is essential for appropriate management and surgical planning.
Purpose of the Study:
- To present computed tomography (CT) findings in patients with cerebral vascular malformations.
- To evaluate the reliability of CT compared to angiography for diagnosing these conditions.
Main Methods:
- CT scans were performed on 18 patients with suspected cerebral vascular malformations.
- Contrast medium was used in all CT screenings.
- CT results were verified using angiography.
- 10 patients underwent surgical treatment.
Main Results:
- CT identified various malformations: 9 angiomas, 4 intracerebral hematomas, 3 aneurysms, 1 Galenic vein aneurysm, and 1 megasinus.
- Angiography confirmed CT findings.
- The study highlights limitations in CT's diagnostic capabilities for certain vascular malformations.
Conclusions:
- CT is a valuable tool for detecting cerebral vascular malformations but has limitations.
- Angiography remains the gold standard for definitive diagnosis and surgical planning.
- Understanding CT's limitations and potential errors is crucial for accurate diagnosis.
Abstract:
CT findings in 18 patients with cerebral vascular malformations are presented. The following findings were established: 9 angiomas, 4 spontaneous intracerebral haematomas after angioma rupture, 3 aneurysms, 1 aneurysm of vena magna Galeni and 1 megasinus. Contrast medium was administered during every CT screening. All the CT results were controlled by angiography and 10 patients were surgically treated. The authors point out the limits in possibilities of CT to diagnose cerebral vascular malformations. They also discuss the possible errors during CT procedure and deal with the problems of diagnostic differentiation of results. Discussing some cases of cerebral vascular malformations, the authors are trying to evaluate the reliability of the CT diagnostic method had compare it with angiography.