case_images: PMC7533092_01
case_images: Magnetic resonance imaging of brain (a) coronal T2-weighted sequences showing the sellar-suprasellar lesion which invades both cavernous sinuses; (b) sagittal T2-weighted sequences; (c) axial T1-weighted contrast-enhanced sequences showing homogenous contrast enhancement; (d) coronal T1-weighted contrast-enhanced sequences.
case_images: SNI-11-261-g001.jpg
case_images: PMC7533092_01_SNI-11-261-g001.jpg
case_images: F1
case_images: There was no evidence of hydrocephalus [Figure 1].
case_images: Photomicrographs of the tumor. (a) Hematoxylin- eosin staining (original magnification x400) showing spindle to polyhedral cells with abundant granular eosinophilic cytoplasm; (b) immunohistochemistry (IHC), (original magnification x400) showing TTF1 positivity; (c) IHC showing focal S100 positivity (original magnification x400).
case_images: SNI-11-261-g002.jpg
case_images: PMC7533092_01_SNI-11-261-g002.jpg
case_images: F2
case_images: The tumor was positive for thyroid transcription factor 1 (TTF1) and focally positive for S100 [Figure 2] and CD68.