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MR angiography in pediatric neurological disorders

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Abstract

MR angiography using 3D and 2D time-of-flight techniques were used to evaluate pediatric neurological disorders. MRA (arteriography) and MRV (venography) were abnormal in 63 and 45 cases, respectively. Conventional cerebral angiography was performed in 30 cases. These techniques were compared with MRI and conventional angiography. In addition, the value of MR angiography for surgical planning was subjectively evaluated. Our results showed that intracranial vessels were invariably better showed on MR angiography than on MRI. MRA and MRV were most useful in evaluating vascular distortions related to congenital brain malformations and intracranial tumors. MRA was valuable in detecting arterial narrowing but overestimated the degree of stenosis compared with conventional angiography. MRV was the technique of choice for evaluation of dural sinus and cerebral venous thrombosis and compression. MRA played little to no role in preoperative planning of vascular malformations and aneurysms. It did not appear to be accurate in assessing tumor vascularity or lesions in small arteries and arteritis.

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Authors and Affiliations

  1. Department of Radiology, St. Louis Children's Hospital, Mallinckrodt Institute of Radiology, Washington University Medical School, 510 South Kingshighway Blvd., 63110, St. Louis, Missouri, USA

    B. C. P. Lee

  2. Department of Neurosurgery, St. Louis Children's Hospital, Washington University Medical School, St. Louis, Missouri, USA

    T. S. Park & B. A. Kaufman

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  1. B. C. P. Lee
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  2. T. S. Park
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  3. B. A. Kaufman
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Lee, B.C.P., Park, T.S. & Kaufman, B.A. MR angiography in pediatric neurological disorders. Pediatr Radiol 25, 409–419 (1995). https://doi.org/10.1007/BF02019052

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