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Case No. 195
2009-09-28~2009-10-11
출제자 : 관리자
Hit : 456
| Period | 2009-09-28~2009-10-11 |
|---|---|
| Diagnosis | |
| Clinical information | 59 year old male with dizziness developed 4 years ago, related with the head turned to the left. |
| Discussion | Diagnosis: Rotational Vertebral Artery Syndrome Finding Angiography revealed a right vertebral artery which terminated in the right posterior inferior cerebellar artery. In the neutral position, the vertebral artery filled and emptied normally. With the head turned to right left the lumen of the right VA was almost occluded at the C1-2 level and the patient complained the presenting symptom. Review Uncommon cause of vertebrobasilar insufficiency Stenosis or occlusion of the vertebral artery at the atlantoaxial joint associated with head rotation Rotational contralateral (to the face) vertebral artery occlusion Causes: osteophytes, fascial bands, tortuosity of the vertebral, contraction of cervical musculature, anomalies of the cervical spine, and anomalous origins of the vertebral artery Reference Barton, J.W. Margolis, M.T. Rotational Obstruction of the Vertebral Artery at the Atlantoaxial Joint Neuroradiology 1975:9 117-120 |
| Correct answer |
Correct AnswerSemi-Correct Answer |