PMC4093732_01
Pre-operative MRI of brain (plain and with contrast) showing a calvarial soft tissue lesion in the right parieto-occipital region with destruction of the adjacent parieto-occipital bone with intracranial extra-axial extension. Post-operative CT scan of brain (plain and with contrast) showing complete excision of the calvarial lesion
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F1
There was indentation of the posterior aspect of the superior sagittal sinus at places [Figure 1]. Postoperative CT scan of brain (plain and with contrast) showed complete excision of the calvarial lesion [Figure 1].
Complete surgical excision of angiosarcoma of the skull in process
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F2
Patient was taken for surgery and complete excision of the calvarial lesion was done under general anesthesia in prone position [Figure 2].
(a) Gross specimen of angiosarcoma of the skull. (b) Microscopic picture which on H and E shows highly vascular tumor. There are many dilated irregular vascular spaces lined by pleomorphic atypical endothelial cells.(c) Immunohistochemistry (CD34): The atypical endothelial cells are highlighted by CD34
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F3
These findings were consistent with angiosarcoma of the skull [Figure 3].