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Three-Dimensional Cephalometric Landmark Annotation Demonstration on Human Cone Beam Computed Tomography Scans

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Intracranial physiological calcifications evaluated with cone beam CT.

P P Sedghizadeh¹, M Nguyen, R Enciso

¹USC Center for Biofilms, Herman Ostrow School of Dentistry of USC, University of Southern California, 925 West 34 Street #4110, Los Angeles, CA 90089, USA. sedghiza@usc.edu

Dento Maxillo Facial Radiology

|July 31, 2012

Summary

Cone beam CT (CBCT) scans frequently reveal physiological intracranial calcifications, with a 35.2% prevalence. Pathological intracranial calcifications were not detected in this study, indicating they are rare findings on CBCT.

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Area of Science:

Radiology
Neuroimaging
Medical Imaging

Background:

Intracranial calcifications can be physiological or pathological.
Cone beam CT (CBCT) is increasingly used in dental and maxillofacial imaging.
Understanding calcification prevalence on CBCT is important for accurate diagnosis.

Purpose of the Study:

To evaluate the prevalence of physiological and pathological intracranial calcifications on CBCT scans.
To characterize the common locations and demographics of detected calcifications.

Main Methods:

Retrospective analysis of 500 CBCT scans from male and female patients.
Systematic evaluation for the presence of intracranial calcifications.

Main Results:

A 35.2% prevalence of physiological intracranial calcifications was observed (176/500 patients).
No pathological intracranial calcifications were identified.
Calcifications were most common in the pineal/habenular region (80%), followed by the choroid plexus (12%) and petroclinoid ligament (8%).
Affected patients ranged from 13 to 82 years, with a mean age of 52 years.

Conclusions:

Physiological intracranial calcifications are a common incidental finding on CBCT scans.
Pathological intracranial calcifications appear to be rare on CBCT.
CBCT imaging provides valuable insights into the prevalence and distribution of intracranial calcifications.