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Insights into Imaging
Fig. 6 | Insights into Imaging

Fig. 6

From: What's that smell? A pictorial review of the olfactory pathways and imaging assessment of the myriad pathologies that can affect them

Fig. 6

Transpatial spread of recurrent of sinonasal squamous cell carcinoma (SCC), in the same patient as shown in Fig. 4b. Coronal bone window CT a demonstrates the right maxillectomy. Axial bone window CT b shows a permeative process within the frontal sinus causing cortical destruction (arrowed). T1WI demonstrates recurrent SCC involving the frontal sinus (c), expanding the sinus and infiltrating the bone (long arrow) with loss of the normal fatty marrow signal (arrowhead for comparison). There is clear evidence of inner and outer table cortical breach on T1WI with loss of the normal hypointense cortical rim (short arrow) placing the patient at risk of intracranial disease. The lesion demonstrates mild enhancement (d), with associated dural thickening and enhancement (arrow) indicating transpatial spread

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