Overview
What is fibromuscular dysplasia (FMD)?
What are the signs and symptoms of fibromuscular dysplasia (FMD)?
What should be included in the physical exam for fibromuscular dysplasia (FMD)?
What is included in the workup of fibromuscular dysplasia (FMD)?
What are the types of fibromuscular dysplasia (FMD)?
How is fibromuscular dysplasia (FMD) treated?
What is the role of surgery in the treatment of fibromuscular dysplasia (FMD)?
What is fibromuscular dysplasia (FMD)?
What is the pathophysiology of fibromuscular dysplasia (FMD)?
What is the role of genetics in the pathophysiology of fibromuscular dysplasia (FMD)?
What is the prevalence of fibromuscular dysplasia (FMD) in the US?
What is the global prevalence of fibromuscular dysplasia (FMD)?
What is the morbidity associated with fibromuscular dysplasia (FMD)?
What are the racial predilections of fibromuscular dysplasia (FMD)?
What are the sexual predilections of fibromuscular dysplasia (FMD)?
Which age groups have the highest prevalence of fibromuscular dysplasia (FMD)?
Presentation
Which clinical history findings are characteristics of fibromuscular dysplasia (FMD)?
Which physical findings are characteristic of fibromuscular dysplasia (FMD)?
What causes fibromuscular dysplasia (FMD)?
DDX
Which conditions should be included in the differential diagnoses of fibromuscular dysplasia (FMD)?
What are the differential diagnoses for Fibromuscular Dysplasia?
Workup
What is the role of lab testing in the diagnosis of fibromuscular dysplasia (FMD)?
What is the role of angiography in the evaluation of fibromuscular dysplasia (FMD)?
What is the role of CT and MRI in the diagnosis of fibromuscular dysplasia (FMD)?
What is the role of ultrasonography in the diagnosis of fibromuscular dysplasia (FMD)?
Which histologic findings are characteristic of fibromuscular dysplasia (FMD)?
How is fibromuscular dysplasia (FMD) staged?
Treatment
How is fibromuscular dysplasia (FMD) treated?
What is the role of surgery in the treatment of fibromuscular dysplasia (FMD)?
Which specialist consultations are beneficial to patients with fibromuscular dysplasia (FMD)?
Which dietary modifications are used in the treatment of fibromuscular dysplasia (FMD)?
Which activity modifications are used in the treatment of fibromuscular dysplasia (FMD)?
Medications
What is the role of medications in the treatment of fibromuscular dysplasia (FMD)?
Follow-up
What is the role of neurorehabilitation in the treatment of fibromuscular dysplasia (FMD)?
What is the role of physical therapy in the treatment of fibromuscular dysplasia (FMD)?
Which medications are used in the treatment of fibromuscular dysplasia (FMD)?
Which lifestyle changes are beneficial to patients with fibromuscular dysplasia (FMD)?
What are the possible complications of fibromuscular dysplasia (FMD)?
What is the prognosis of fibromuscular dysplasia (FMD)?
What is included in patient education about fibromuscular dysplasia (FMD)?
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Digital subtraction angiogram of the right internal carotid artery demonstrates an irregular extracranial portion that is consistent with FMD.
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Conventional angiogram of the left carotid artery demonstrates a 1.5-cm, long, smooth, severe stenosis of the extracranial internal carotid artery. Note that the artery is not completely occluded and a thin continuous string of contrast is present along the length of the stenosis. This smooth tubular stenosis is suggestive of the intimal fibroplasia form of FMD but can be observed with any of the subtypes.
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Cerebral angiogram of the left carotid artery territory demonstrates a long, irregular stenosis with a string-of-beads appearance along the entire extracranial length of the internal carotid artery (ICA). This is consistent with the most common medial dysplasia form of fibromuscular dysplasia. Also note similar involvement of the first 3 cm of the external carotid artery (ECA). Such extensive ICA involvement, as well as ECA involvement, is atypical. Note sparing of the carotid bulb.
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Lateral view of a right carotid angiogram demonstrates multiple stenoses of FMD of the internal carotid artery. The string of beads appearance is suggestive of the medial dysplasia form of FMD.
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Anteroposterior view of a right carotid angiogram demonstrates FMD of the extracranial portion of the right internal carotid artery.
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Angiogram of the descending aorta demonstrates the stenoses of FMD in the renal arteries bilaterally.
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Angiogram of the right vertebral artery demonstrating irregular stenoses of fibromuscular dysplasia at the level of C2-3.
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Illustration of the operative approach of graduated dilatation of the internal carotid artery (ICA). The common carotid and external carotid arteries are cross-clamped, and the superior thyroid artery is clipped while the ICA is isolated, opened, and dilated with progressively larger dilators. This technique has been shown to be successful in the management of medically refractive FMD stenoses.
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Illustration depicts the intraluminal appearance of graduated dilatation of the stenoses of FMD. The dilator is passed into the vessel and opens the bandlike narrowings.
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Illustration depicts the locations of FMD lesions, which differentiate regions with typical and atypical angiographic appearances of this disease.
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Digital subtraction angiography of the left internal carotid artery distribution demonstrates a large 1.5-cm-diameter aneurysm of the right anterior communicating artery. Aneurysms may be associated with systemic vasculopathies such as FMD.
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Small infarct in woman with fibromuscular dysplasia from dissected vertebral artery. An incidental aneurysm, or ovoid diverticula, is noted in the supraclinoid left internal carotid artery.
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Small infarct in woman with fibromuscular dysplasia from dissected vertebral artery. An incidental aneurysm, or ovoid diverticula, is noted in the supraclinoid left internal carotid artery. Dissected vertebral artery.
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Small infarct in woman with fibromuscular dysplasia from dissected vertebral artery. An incidental aneurysm, or ovoid diverticula, is noted in the supraclinoid left internal carotid artery. Internal carotid angiogram.