case_images: PMC5961282_01
case_images: Axial CT scan showing a hyper-attenuating lesion centered by an hypodensity of the posterior fossa
case_images: SNI-9-97-g001.jpg
case_images: PMC5961282_01_SNI-9-97-g001.jpg
case_images: F1
case_images: Mild surrounding edema and mass effect on the fourth ventricle was associated provoking a triventricular hydrocephalus [Figure 1].
case_images: MRI on axial T1 weighted image revealing an hypointense and heterogeneous contrast enhancement of the solid component of the dermoid cyst
case_images: SNI-9-97-g002.jpg
case_images: PMC5961282_01_SNI-9-97-g002.jpg
case_images: F2
case_images: On MRI, the lesion appeared hypointense on T1-weighted images and extremely hypointense on T2-weighted images with a hyperintense central area on T1 and T2 without enhancement after injection of gadolinium [Figures 2-4].
case_images: MRI on axial T2 weighted images showing a hypointense signal of the dermoid cyst
case_images: SNI-9-97-g003.jpg
case_images: PMC5961282_01_SNI-9-97-g003.jpg
case_images: F3
case_images: On MRI, the lesion appeared hypointense on T1-weighted images and extremely hypointense on T2-weighted images with a hyperintense central area on T1 and T2 without enhancement after injection of gadolinium [Figures 2-4].
case_images: MRI on Sagittal T2 weighted images showing a hypointense signal of the lesion
case_images: SNI-9-97-g004.jpg
case_images: PMC5961282_01_SNI-9-97-g004.jpg
case_images: F4
case_images: On MRI, the lesion appeared hypointense on T1-weighted images and extremely hypointense on T2-weighted images with a hyperintense central area on T1 and T2 without enhancement after injection of gadolinium [Figures 2-4].
case_images: Histopathological examination of the surgical specimen revealing a stratified squamous epithelium with fatty cellular debris, few hair follicles and scattered sebaceous glands consistent with the diagnosis of dermoid cyst
case_images: SNI-9-97-g005.jpg
case_images: PMC5961282_01_SNI-9-97-g005.jpg
case_images: F5
case_images: Histopathologic examination [Figure 5] revealed a stratified squamous epithelium with fatty cellular debris, few hair follicles, and scattered sebaceous glands.