case_images: PMC7395520_01
case_images: Preoperative magnetic resonance imaging brain and upper cervical findings; (a) coronal T2 sequence, (b) axial T2 sequence, (c) sagittal T1 sequence, and (d) axial flair sequence.
case_images: SNI-11-190-g001.jpg
case_images: PMC7395520_01_SNI-11-190-g001.jpg
case_images: F1
case_images: In addition, there was a subtle abnormal T2 increased signal within the cord reflecting edematous change at this level [Figure 1].
case_images: Intraoperative images of the intradural synovial cyst at C2 level, (a) image of dural sac before opening, (b) image taken following the dural opening, (c) image of cyst before decompression, and (d) image captured following decompression and drainage of the cyst.
case_images: SNI-11-190-g002.jpg
case_images: PMC7395520_01_SNI-11-190-g002.jpg
case_images: F2
case_images: The wall of the cyst was opened and there was efflux of clear fluid with a small amount of calcified material [Figure 2].
case_images: Eighth months postoperative cervical magnetic resonance imaging; (a) sagittal T1 sequence, (b) sagittal T2 sequence, and (c) axial T1 postcontrast sequence.
case_images: SNI-11-190-g003.jpg
case_images: PMC7395520_01_SNI-11-190-g003.jpg
case_images: F3
case_images: Postoperative imaging 8 months later (MR) showed no significant residual cyst nor spinal cord compression [Figure 3].