Bib Sign in Proximal Descending Thoracic Aorta Rupture on CT Angiography: Presentation of a Paradigmatic Case

Figure 2

Unenhanced axial CT images of proximal thoracic aorta, showing a very thin aortic intramural hematoma below intimal calcifications (yellow arrowheads in (a–c)).

(a)

(b)

(c)