PMC1779506_01
CT scan of the head shows a large vascular soft tissue mass involving the meninges and invasion of right parietal bone.
SRCM2006-52140.001.jpg
PMC1779506_01_SRCM2006-52140.001.jpg
F1
A CT scan of the brain demonstrated a large highly vascular soft tissue mass involving the meninges with invasion of the parietal bone and displacement of the brain parenchyma (Figure 1).
(a) Malignant spindle cells, pleomorphism, and high nucleocytoplasmic ratio. (b) Immunostain positive for smooth
muscle actin.
SRCM2006-52140.002.jpg
PMC1779506_01_SRCM2006-52140.002.jpg
F2
The histologic examination demonstrated a malignant spindle cell neoplasm with immunostains positive for smooth muscle actin and negative for epithelial membrane antigen (Figure 2).