medial fibroplasia

medial fibroplasia

the most common of the various nonatherosclerotic lesions characterized on an angiogram by the string-of-beads sign (areas of the artery wall having protruding aneurysms alternating with stenosis and thinning).
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In the most common form of FMD, known as medial fibroplasia, a characteristic "string of beads" appearance is seen in the affected artery.
The most common form, called medial fibroplasia, is characterized by alternate narrowing and ballooning of blood vessels and appears as a "string of beads" on MRI or CT scans.
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