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Carotid atheroma detected by panoramic radiography and ultrasonography in patients with metabolic syndrome

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Abstract

Objective

To determine the sensitivity and specificity of panoramic radiography in detecting carotid atheromas in patients with metabolic syndrome (MetS) by comparing ultrasonographic findings.

Methods

Panoramic radiography and ultrasonography were performed in 85 MetS patients to determine the presence of carotid atheroma. The panoramic radiographic findings were classified into calcified plaque and no calcified plaque. The ultrasonic findings were divided into four groups: calcified plaque, calcified and soft (mixed) plaque, soft plaque, and no plaque.

Results

In identifying calcified carotid plaques, panoramic radiography had a sensitivity of 42.19%, a specificity of 97.17%, a positive predictive value of 90.00%, and a negative predictive value of 73.57%. Of 170 carotid sites, ultrasonography identified 37 calcified plaques and 9 soft plaques that were not detected by panoramic radiography.

Conclusions

Panoramic radiography has moderate sensitivity and high specificity in detecting calcified carotid plaques and is limited in the detection of soft carotid plaques.

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Acknowledgments

The authors gratefully acknowledge Assoc. Prof. Penpan Laohapand, Department of Oral Medicine and Periodontology, Faculty of Dentistry, Mahidol University for statistical analysis. The authors would like to thank Ms. Apaporn Karin, Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Chulalongkorn University, for her assistance in contacting patients and Ms. Wanphen Uratchatamas, Department of Radiology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, for her assistance in preparing the patients for ultrasonography. This study was supported by a grant from Faculty of Dentistry, Mahidol University, 2007.

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Authors and Affiliations

  1. Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Phayathai, Bangkok, 10400, Thailand

    Suchaya Pornprasertsuk-Damrongsri & Pattra Amaekchok

  2. Department of Radiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Road, Phayathai, Bangkok, 10400, Thailand

    Warapat Virayavanich & Pimjai Siriwongpairat

  3. Department of Oral Medicine and Periodontology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Phayathai, Bangkok, 10400, Thailand

    Supanee Thanakun

  4. Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand

    Weerapan Khovidhunkit

Authors
  1. Suchaya Pornprasertsuk-Damrongsri
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  2. Warapat Virayavanich
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  3. Supanee Thanakun
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Correspondence to Suchaya Pornprasertsuk-Damrongsri.

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Pornprasertsuk-Damrongsri, S., Virayavanich, W., Thanakun, S. et al. Carotid atheroma detected by panoramic radiography and ultrasonography in patients with metabolic syndrome. Oral Radiol 27, 43–49 (2011). https://doi.org/10.1007/s11282-011-0064-y

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  • DOI: https://doi.org/10.1007/s11282-011-0064-y

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