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Summary: Which anatomical structures of the Eustachian tube can be defined radiologically? • Bone, cartilage and soft tissue elements of the ET can be visualised radiologically using CT and T1- and T2-weighted MRI • No single modality provides detail of all structures • The lumen is collapsed at rest and cannot be assessed in this state • There is no role for plain film radiography or US in the anatomical assessment of the ET |
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