Fig. 13From: Chinese specialist consensus on imaging diagnosis of intracranial arterial dissectionProposed classifications of intracranial dissecting aneurysms (arrow). a-d Digital subtraction angiography images of the classical type (Type I), segmental dilation (Type II), dolichoectasia type (Type III) and large mural bleeding ectasia (Type IV). e-h Corresponding magnetic resonance images of each typeBack to article page