PMC6080142_01
Preoperative computed tomography showing the right-sided exophthalmos (a) and diploic mass at the right orbital roof (b: axial image, c: coronal image, d: sagittal image)
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F1
The mass was partly enhanced and it was predominantly intraosseous located at the orbital roof [Figures 1 and 2].
Magnetic resonance imaging showing the mixed intensity mass (a: T1-weighted image, b: T2-weighted image) with peripheral enhancement (c: coronal T1-weighted image, d: enhanced coronal T1-weighted image). Arrows indicating the enhanced lesion
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F2
The mass was partly enhanced and it was predominantly intraosseous located at the orbital roof [Figures 1 and 2].
Photomicrographs of a mature teratoma showing squamous epithelium (left, hematoxylin and eosin, X15) and bone tissue (right, hematoxylin and eosin, X9)
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F3
The histopathologic diagnosis was compatible with mature teratoma [Figure 3].