Korean J Oral Maxillofac Radiol.
2009 Sep;39(3):157-161.
Stenosis of calcified carotid artery detected on Panoramic Radiography
- Affiliations
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- 1School of Dentistry, Chonnam National University, Gwangju, Korea.
- 2Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea.
- 3Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea. yoonfr@chonnam.ac.kr
- 4Department of Radiology, Medical School, Chonnam National University, Gwangju, Korea.
- 5Department of Orthodontics, School of Dental Medicine, Case Western Reserve University, Cleveland, OH, America.
Abstract
- PURPOSE
This study aimed to investigate the luminal stenosis of the internal carotid artery with calcification detected on panoramic radiographs.
MATERIALS AND METHODS
This study used fifty carotid arteries of 36 dental patients whose panoramic radiograph and computed tomography angiography (CTA) revealed the presence of carotid artery calcification. A neuroradiologist interpreted CTA to determine the degree of stenosis of the internal carotid arteries. The degree of stenosis was stratified in four stages; normal (no stenosis), mild stenosis (1-49%), moderate stenosis (50-69%) and severe stenosis (70-99%).
RESULTS
Among the fifty carotid arteries with calcification detected on both panoramic radiography and CTA, 20carotid arteries (40%) were normal, 29 carotid arteries (18%) had mild stenosis, 1 carotid artery (2%) had moderate stenosis, and there was none with severe stenosis.
CONCLUSION
Sixty percent of the carotid arteries with calcification detected on both panoramic radiography and CTA had internal luminal stenosis, and two percent had moderate stenosis. When carotid atheroma is detected on panoramic radiograph, it is possible that the dental patient has luminal stenosis of the internal carotid artery.
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