Type B intramural hematoma of the aorta: evolution and prognostic value of intimal erosion.

Purpose: The prognosis and treatment of type B intramural hematoma (IMH) remain unclear. Intimal erosions could be the target of preventive endovascular treatment, but we have no therapeutic criterion on which to decide preventive treatment.

Materials And Methods: A prospective multislice computed tomography (CT) study was carried out in 44 patients with type B IMH to assess morphologic evolution and intimal erosion to determine reliable predictive factors that would permit endovascular treatment.