Figure 2From: Spontaneous rupture of a dissecting aneurysm in the superior rectal artery of a patient with neurofibromatosis type 1: a case report Selective angiography of the inferior mesenteric artery. (a) Dilatation of a distal lesion with extravasation of blood, suggesting a ruptured dissecting aneurysm in the superior rectal artery. (b, c) Transcatheter arterial embolization proximal to the dilatation using micro coils. (d) A postoperative angiographic image.Back to article page