case_images: PMC5234305_01
case_images: Anterior right synchondrosis fracture with 4 mm displacement. Normal left synchondrosis
case_images: SNI-7-1092-g001.jpg
case_images: PMC5234305_01_SNI-7-1092-g001.jpg
case_images: F1
case_images: He was placed in a hard cervical collar and a computed tomography (CT) scan of the cervical spine demonstrated asymmetric widening the C1 arch, 4 mm to the right, with a fracture through the right C1 synchondrosis [Figure 1].
case_images: Three-dimensional reconstruction demonstrates a right synchondrosis fracture with inferior rotation of the fracture segment
case_images: SNI-7-1092-g002.jpg
case_images: PMC5234305_01_SNI-7-1092-g002.jpg
case_images: F2
case_images: Three-dimensional reconstruction demonstrated mild displacement of the C1 vertebra to the left [Figure 2].
case_images: Sagittal T2 STIR MRI demonstrating prevertebral soft tissue hyperintensity anterior to the upper cervical vertebrae
case_images: SNI-7-1092-g003.jpg
case_images: PMC5234305_01_SNI-7-1092-g003.jpg
case_images: F3
case_images: The short T1 inversion recovery (STIR) magnetic resonance imaging (MRI) showed an increased signal around C1, reflecting edema in the cartilaginous tear [Figure 3].