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KMID : 1024020160460020141
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Imaging Science in Dentistry
2016 Volume.46 No. 2 p.141 ~ p.144
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Evaluation of canalis basilaris medianus using cone-beam computed tomography
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Syed Al Z.
Zahedpasha Samir
Rathore Sonali A.
Mupparapu Mel
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Abstract
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The aim of this report is to present two cases of canalis basilaris medianus as identified on cone-beam computed tomography (CBCT) in the base of the skull. The CBCT data sets were sent for radiographic consultation. In both cases, multi-planar views revealed an osseous defect in the base of the skull in the clivus region, the sagittal view showed a unilateral, well-defined, non-corticated, track-like low-attenuation osseous defect in the clivus. The appearance of the defect was highly reminiscent of a fracture of the clivus. The borders of osseous defect were smooth, and no other radiographic signs suggestive of osteolytic destructive processes were noted. Based on the overall radiographic examination, a radiographic impression of canalis basilaris medianus was made. Canalis basilaris medianus is a rare anatomical variant and is generally observed on the clivus. Due to its potential association with meningitis, it should be recognized and reported to avoid potential complications.
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KEYWORD
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Cone-Beam Computed Tomography, Skull Base, Anatomical Variation, CBM
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