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Fig. 7 | Insights into Imaging

Fig. 7

From: Dural masses: meningiomas and their mimics

Fig. 7

Solitary fibrous tumour. a, b Pre- and post-contrast axial T1-weighted MR images showing an avidly enhancing extra-axial lesion straddling the falx cerebri. An enhancing dural tail is seen anteriorly (white arrow). c On T2 FLAIR images, the lesion has regions of high and low signal consistent with its fibrous collagen composition. Note how these low signal regions enhance with administration of contrast in Fig. 7b. d On unenhanced CT images, the mass is largely hyperdense with no areas of calcification

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