case_images: PMC11362099_01
case_images: The enhanced CT image of the entire aorta. (A,B) The axial images of the abdominal aorta, A is the arterial phase and B is the venous phase. It can be seen that the walls of the abdominal aorta and superior mesenteric artery are thickened, leading to stenosis of the lumen. (C) The axial image of the renal artery. The lumen of the left renal artery is occluded and the left kidney is atrophied. (D) In the sagittal image, stenosis of the abdominal aorta and superior mesenteric artery lumen can be seen. (E) In the coronal image, partial stenosis can be seen at the abdominal aorta. (F) A more intuitive display of the stenosis of the abdominal aorta, with obvious renal artery level. (These images are provided by the Department of Radiology, Peking University First Hospital).
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case_images: F1
case_images: Enhanced CT of the aorta showed mild stenosis of the abdominal aorta, occlusion of the beginning of the left renal artery and atrophy of the left kidney (Figure 1).
case_images: Brain MRA and brain CT images. (A) The MRA image of the brain shows visible stenosis of the M1 segment of the middle cerebral artery. (B) Preoperative CT image of the brain. Cluster-like high-density shadows in the left parieto-occipital lobe and the splenium of the corpus callosum, with unclear boundaries. The left lateral ventricle appears compressed and narrowed, and there is a rightward shift in the midbrain structure. (C) The brain CT image on the evening after surgery showed a left epidural hematoma.
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case_images: F2
case_images: Brain magnetic resonance angiography (MRA) showed multiple slender intracranial arteries (Figure 2A). Brain computed tomography (CT) revealed a high-density shadow with a maximum cross-sectional area of approximately 7.8 x 5.3 cm, consistent with brain parenchyma and subarachnoid hemorrhage (SAH) (Figure 2B). A subsequent brain CT scan revealed an acute epidural hematoma (Figure 2C).
case_images: DSA images. (A) Image of the main branches of the aortic arch, with no obvious vascular stenosis. (B) Stenosis of the left renal artery and celiac trunk is evident. (C) The M1 segment of the right middle cerebral artery appears thinner than the M2 segment. (D,E) Anteroposterior and lateral view of the right vertebral artery, revealing a slender distal end of the intracranial segment.
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case_images: F3
case_images: Digital subtraction angiography (DSA) was performed to assess the condition of the cranial blood vessels, revealing no obvious aneurysms or vascular malformations (Figure 3).