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Fig. 14 | Insights into Imaging

Fig. 14

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

Fig. 14

Trauma. 67-year-old male hit by a train. 3D CT reconstruction (a) demonstrates left-sided Le Fort III fracture complex and a calvarial fracture involving the frontal bone (arrowed). Coronal bone window CT (b) demonstrates an anterior cranial fossa fracture (arrowed) placing the patient at risk of inferior frontal lobe injury. Axial soft tissue window CT (c) confirms subtle punctate haemorrhage at the inferior frontal lobe (long arrow) as well as interpeduncular and ambient cistern subarachnoid haemorrhage (short arrows). The MRI axial FLAIR sequence (d) demonstrates a corresponding area of abnormal left inferior frontal lobe signal involving the olfactory sulcus (arrowed) with microhaemorrhages on the SWI (e) sequence (long arrow). Additional microhaemorrhages within the midbrain are consistent with grade III diffuse axonal injury (short arrows), and the aforementioned cisternal subarachnoid blood is also seen. The patient unfortunately passed away from related traumatic injuries

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