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Noncontrast CBCT scan of a 13-year-old boy acquired with a sinus protocol (40 seconds, 600 frames, 0.4-mm pixels, 120 kVp, 48 mA). A, Axial section at the level of the maxillary sinus floor demonstrates a 1.0 × 0.7 × 1.0-cm oval mass in the alveolar process of the right maxilla (arrow). B, Axial image highlights the inferior extent of the lesion in A. C and D, Coronal and sagittal images, respectively, of the lesion in A.
