case_images: PMC8247681_01
case_images: Emergency 3D-CT scan showing occipital fistula (blue arrow).
case_images: SNI-12-282-g001.jpg
case_images: PMC8247681_01_SNI-12-282-g001.jpg
case_images: F1
case_images: Emergency CT scan [Figure 1; blue arrow] and brain MRI [Figure 2] showed a cystic infratentorial mass with ring enhancement of the cystic walls.
case_images: Mid-sagittal MRI showing a cystic subtentorial mass with ring enhancement of the cystic walls.
case_images: SNI-12-282-g002.jpg
case_images: PMC8247681_01_SNI-12-282-g002.jpg
case_images: F2
case_images: Emergency CT scan [Figure 1; blue arrow] and brain MRI [Figure 2] showed a cystic infratentorial mass with ring enhancement of the cystic walls.
case_images: Preoperative evidence of non-purulent subcutaneous nodule with skin fistula.
case_images: SNI-12-282-g003.jpg
case_images: PMC8247681_01_SNI-12-282-g003.jpg
case_images: F3
case_images: During preparation for surgery, a 5 mm non-purulent subcutaneous nodule with skin fistula was seen [Figure 3].
case_images: Excision of the entire abscess capsule.
case_images: SNI-12-282-g004.jpg
case_images: PMC8247681_01_SNI-12-282-g004.jpg
case_images: F4
case_images: The cerebellar abscess was evacuated, followed by excision of the entire capsule [Figure 4].
case_images: Evidence of cystic adhesion to dura and confluence of sinuses.
case_images: SNI-12-282-g005.jpg
case_images: PMC8247681_01_SNI-12-282-g005.jpg
case_images: F5
case_images: The cyst was adherent to the dura and to the confluence of sinuses [Figure 5].
case_images: Histological examination confirmed the diagnosis of dermoid tumor.
case_images: SNI-12-282-g006.jpg
case_images: PMC8247681_01_SNI-12-282-g006.jpg
case_images: F6
case_images: Histological examination confirmed the diagnosis of dermoid tumor [Figure 6].
case_images: No signs of recurrence at 36 months follow-up evaluation.
case_images: SNI-12-282-g007.jpg
case_images: PMC8247681_01_SNI-12-282-g007.jpg
case_images: F7
case_images: At a 36-month follow-up, there was no evidence of recurrence [Figure 7].