FIGURE 1.

Noncontrast chest computed tomography (CT) (A) and head CT (B). (A) No intimal calcification is observed, and it is challenging to identify the dissection space. (B) No obvious cerebral hemorrhage or stroke was observed.

Noncontrast chest computed tomography (CT) (A) and head CT (B). (A) No intimal calcification is observed, and it is challenging to identify the dissection space. (B) No obvious cerebral hemorrhage or stroke was observed.