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Fig. 18 | Insights into Imaging

Fig. 18

From: Orbital tumours and tumour-like lesions: exploring the armamentarium of multiparametric imaging

Fig. 18

28-year-old female patient with NF-1. MRI was performed for pre-surgical planning. Coronal STIR (a) and axial T2W (b) images show poorly circumscribed, serpentine masses (asterisks) within the right orbital conal-extraconal and preseptal compartments. Findings are typical of an OPNF. There is associated dural ectasia of the right optic nerve sheath. Classic right-sided sphenoid wing dysplasia is also noted (arrow). The ADC map (c) shows no restriction of diffusion (ADC = 1.3 × 10−3 mm2/s) in keeping with the benign histology. d. Axial contrast-enhanced FS T1W image shows heterogeneous strong contrast enhancement of the OPNF (arrow). Axial (e) and sagittal (f) DTI 3D tractography views show complete disorganization of fibres within the OPNF surrounding the globe and optic nerve

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