Images a), b) and...
Sagittal non-contrast
Images a), b) and c) depict a diffuse tracheal narrowing, with prominent nodular calcifications in the antero-lateral walls; posterior tracheal wall is spared. Image d) shows the normal aspect of the trachea in an axial slice. Images e) and f) are virtual endoscopic reconstructions from the CT. E) belongs to the patient described, while f) is from a normal subject.
Modality: CT (non-contrast)

- “ Diffuse tracheal narrowing with nodular calcifications is characteristic of this benign, idiopathic condition. Considering that the patient had n...”

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