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Figure 2 | BMC Cancer

Figure 2

From: Atypical primary meningioma in the nasal septum with malignant transformation and distant metastasis

Figure 2

Magnetic resonance images before surgery. (A) T1-weighted PNS MRI showed a primary lesion of slightly lower signal intensity in the left nasal cavity. (B) The lesion was heterogeneously isointense on T2-weighted images. (C) Contrast-enhanced MRI showed heterogeneous enhancement of the lesion. (D) Coronal reconstruction of a T1-weighted MRI scan revealed an isolated primary lesion with no evidence of direct attachment to brain tissue.

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