Article Figures & Data
Figures
- Figure 1
Brain computed tomography scan showing enlarged lateral and third ventricles, whereas the fourth ventricle is very small, indicating aqueduct stenosis.
- Figure 2
Brain magnetic resonance imaging demonstrating enlarged lateral ventricles without any edema around the ventricles, which points to arrested hydrocephalus, and small fourth ventricle compatible with aqueduct stenosis.
- Figure 3
T1-weighted sagittal magnetic resonance imaging (MRI) showing marked narrowing at craniovertebral junction; in T2-weighted sagittal MRI, myelopathy at this region is demonstrated.
- Figure 4
Lateral cervical radiograph, showing displaced atlas arch and os odontoideum posteriorly.
- Figure 5
(a) Sagittal and (b) coronal reconstructed computed tomography demonstrating an os odontoideum.
- Figure 6
Early postoperative radiograph showing C1-2 instrumentation.
- Figure 7
(a) Postoperative T1-weighted magnetic resonance image depicting appropriate decompression. (b) T2-weighted magnetic resonance imaging; besides appropriate decompression, the myelopathic patch at the craniovertebral junction is seen.
- Figure 8
At 18 months' follow-up, lateral cervical radiograph shows appropriate alignment and good bony fusion.
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