case_images: PMC6701286_01
case_images: (a, b) MRI of the cervical spine showed IDEM mass, with low intensity in the T2-weighted imaging and isointensity in the T1-weighted imaging at the C3-4 levels. (c, d) The marked enhancement of the mass and a dural tail sign after intravenous admission of Gd-DTPA.
case_images: CRIOR2019-3592980.001.jpg
case_images: PMC6701286_01_CRIOR2019-3592980.001.jpg
case_images: fig1
case_images: Following the intravenous administration of gadolinium-diethylenetriaminepentaacetic acid (Gd-DTPA), an intradural extradural mass with a marked gadolinium enhancement and a dural tail sign were observed (Figure 1).
case_images: (a) Intraoperative situs of the intradural extramedullary spinal sarcoid lesion. (b) Sarcoid lesion removed by surgery.
case_images: CRIOR2019-3592980.002.jpg
case_images: PMC6701286_01_CRIOR2019-3592980.002.jpg
case_images: fig2
case_images: Of note, the appearance of the actual mass differed from that of a meningioma, as it had been preoperatively suspected to be based on the MRI findings (Figure 2).
case_images: The resected lesion is composed of multiple noncaseating granulomas with fibrosis. Multinucleated giant cells are observed (H&E, original magnification).
case_images: CRIOR2019-3592980.003.jpg
case_images: PMC6701286_01_CRIOR2019-3592980.003.jpg
case_images: fig3
case_images: While most of the granulomas did not show necrosis, there were some small necrotic foci at the center of the granulomas (Figure 3).
case_images: (a, b) MRI of the cervical spine performed four years after the surgery showed no recurrence, and the dural tail sign had disappeared.
case_images: CRIOR2019-3592980.004.jpg
case_images: PMC6701286_01_CRIOR2019-3592980.004.jpg
case_images: fig4
case_images: No abnormalities on MRI were noted at that time (Figure 4).