case_images: PMC3815079_01
case_images: Gadlinium-enhanced T1 weighted MRI. Axial image showing enhancing mass lesion in right occipital lobe
case_images: SNI-4-127-g001.jpg
case_images: PMC3815079_01_SNI-4-127-g001.jpg
case_images: F1
case_images: Magnetic resonance imaging (MRI) of the brain showed a homogenous enhancing occipital dural-based mass measuring 1.6 x 1.8 x 1.7 cm with a small amount of surrounding edema [Figure 1].
case_images: Postoperative gadlinium-enhanced T1 weighted MRI. Axial image showing complete resection of lesion
case_images: SNI-4-127-g002.jpg
case_images: PMC3815079_01_SNI-4-127-g002.jpg
case_images: F2
case_images: Postoperative imaging revealed complete resection of the dural-based mass [Figure 2].
case_images: H/E image caption: High grade sarcoma with an infiltrating malignant spindle cell proliferation, pleomorphic multinucleated giant cells and atypical mitoses (left of center) (H and E, x100)
case_images: SNI-4-127-g003.jpg
case_images: PMC3815079_01_SNI-4-127-g003.jpg
case_images: F3
case_images: Histopathology confirmed UUS metastases [Figures 3 and 4].
case_images: Vimentin immuno caption: Strong cytoplasmic positivity for vimentin indicative of mesenchymal differentiation; pan-cytokeratin and GFAP immunohistochemical stains were negative (x100)
case_images: SNI-4-127-g004.jpg
case_images: PMC3815079_01_SNI-4-127-g004.jpg
case_images: F4
case_images: Histopathology confirmed UUS metastases [Figures 3 and 4].