PMC5368044_01
Preoperative CT brain with contrast in axial (A), coronal (B), and sagittal (C) section demonstrating the left frontal lesion with heterogeneous contrast enhancement, calcification and a tumor cyst compressing on the genu of corpus callosum. Preoperative MRI brain with gadolinium in axial (D), coronal (E), and sagittal (F) section demonstrating the same lesion. CT, computed tomography; MRI, magnetic resonance imaging.
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Initial computed tomography (CT) brain demonstrated a contrast-enhancing mass measuring 47 mm x 21 mm x 47 mm associated with calcification and extensive vasogenic edema in the left frontal lobe (Fig. 1).
Postoperative MRI brain with gadolinium in axial (A), coronal (B), and sagittal (C) section demonstrating the postoperative changes following a partial debulking of the tumor and drainage of the tumor cyst with evidence of residual-enhancing lesion in the posteromedial margin. MRI, magnetic resonance imaging.
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Near-total excision of the left frontal lesion was performed (Fig. 2) and histology confirmed metastatic adenocarcinoma of prostatic origin.
PMC5368044_02
CT brain with contrast in axial (A) and coronal (B) section demonstrating the left frontotemporal mass with homogenous contrast enhancement invading through the skull and into the middle cranial fossa. The bone window of CT brain in axial (C) and coronal (D) shows the sunburst appearance of the skull. MRI brain with gadolinium in axial (E) and coronal (F) demonstrating the same lesion. CT, computed tomography; MRI, magnetic resonance imaging.
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CT showed a contrast-enhancing mass measuring 91 mm x 62 mm x 96 mm extending from the left middle cranial fossa, through the temporal bone and into the subgaleal region (Fig. 3).