PMC3312019_01
MRI, coronal view.
CRIM2012-763259.001.jpg
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fig1
The T1-weighted sequences showed downward herniation of the ethmoidal roof on the right nasal cavity and T2-weighted coronal, and sagital imaging confirmed a liquid-filled mass in the right ethmoidal sinus and nasal cavity projecting through a defect in the ethmoidal roof (Figures 1 and 2).
MRI, sagital view.
CRIM2012-763259.002.jpg
PMC3312019_01_CRIM2012-763259.002.jpg
fig2
The T1-weighted sequences showed downward herniation of the ethmoidal roof on the right nasal cavity and T2-weighted coronal, and sagital imaging confirmed a liquid-filled mass in the right ethmoidal sinus and nasal cavity projecting through a defect in the ethmoidal roof (Figures 1 and 2).
CT scan.
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fig3
Computed tomography confirmed these findings (Figure 3). 
Endoscopic view of big meningoencephalocele within right nasal cavity.
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fig4
A big meningoencephalocele within right nasal cavity was found (Figure 4).
Endoscopic view of bony defect at the junction of ethmoidal sinus and posterior wall of the frontal bone.
CRIM2012-763259.005.jpg
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fig5
When the lesion was completely removed, a bony defect at the junction of ethmoidal sinus and posterior wall of the frontal bone were observed (Figure 5).