Presentation
Elevation of lipases in smokers with hypertension. Incidental finding.
Patient Data
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Nodularity (string-of-beads sign) of the right and left renal artery (arrows). In delayed phase, axial images show some focal nodular areas of enhancement in proximal jejunum undetectable on arterial phase, referable to angioectasis. There is also a cyst in the right ovary. The pancreas is normal.
Case Discussion
Fibromuscular dysplasia is a non-atherosclerotic, non-inflammatory arterial disease. Dysplasia of the media is characterized by the presence in the context of the media tunic, fibromuscular bands containing collagen. It most commonly affects the renal, extra-cranial carotid, and vertebral arteries. May cause stenosis, aneurysm, dissection and occlusion in affected vascular bed. The most common manifestations of renal artery FMD are hypertension and headache.
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