PMC9458158_01
Preoperative post-gadolinium enhanced MRI.
. 
The recurring tumor originated from the anterior skull base extending to the intracranial and the endonasal cavity. A, axial image; B, coronal; C, sagittal image.
. 
MRI: magnetic resonance imaging
2188-4226-9-0243-g001.jpg
PMC9458158_01_2188-4226-9-0243-g001.jpg
g001
Contrast-enhanced magnetic resonance imaging (MRI) showed a homogeneously enhancing, multi-lobular large tumor originating from the anterior skull base, which compressed the left frontal lobe and extended into the nasal cavity (Fig. 1).
Postoperative post-gadolinium enhanced MRI 2 months after en bloc resection.
. 
The tumor was completely removed. There was no recurrence.
. 
MRI: magnetic resonance imaging
2188-4226-9-0243-g003.jpg
PMC9458158_01_2188-4226-9-0243-g003.jpg
g003
Two months after the operation, an MRI showed no recurrence of the tumor (Fig. 3).