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[A case of internal carotid dolichoectasia]
No Shinkei Geka. Neurological Surgery
|March 1, 1984
Summary
This case study details a patient experiencing recurrent strokes due to internal carotid artery dolichoectasia. Surgical intervention involving STA-MCA anastomosis successfully treated the condition, improving patient outcomes.
Area of Science:
- Neurology
- Vascular Surgery
- Neuroradiology
Background:
- Internal carotid artery dolichoectasia is a rare condition characterized by abnormal dilation and elongation of the artery.
- It can lead to neurological deficits through thromboembolism or mass effect.
Observation:
- A 50-year-old woman presented with recurrent right-sided hemiparesis and speech disturbance.
- Imaging revealed a left frontal lobe mass, calcification near the anterior clinoid process, and significant internal carotid artery dolichoectasia.
- Cerebral circulation time was markedly delayed, suggesting hypoperfusion.
Findings:
- The patient's initial stroke was attributed to emboli from the dolichoectasia.
- Progressive stroke was linked to hypoperfusion caused by the dolichoectasia.
- Surgical intervention included STA-MCA anastomosis and proximal internal carotid clipping to trap the dolichoectasia.
Implications:
- STA-MCA anastomosis combined with carotid clipping can be an effective treatment for internal carotid artery dolichoectasia.
- This approach can improve cerebral blood flow and reduce stroke recurrence.
- The case highlights the importance of advanced imaging in diagnosing and managing complex cerebrovascular conditions.