High Signal Intensity on T2-Weighted Magnetic Resonance Imaging and Cerebral Hemodynamic Reserve in Carotid Occlusive Disease

Stroke ◽  
1997 ◽  
Vol 28 (2) ◽  
pp. 354-357 ◽  
Author(s):  
Yoshinari Isaka ◽  
Keiko Nagano ◽  
Masako Narita ◽  
Keiichi Ashida ◽  
Masatoshi Imaizumi
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Signal Intensity ◽  
High Signal Intensity ◽  
Occlusive Disease ◽  
High Signal ◽  
Resonance Imaging ◽  
Cerebral Hemodynamic ◽  
Weighted Magnetic Resonance Imaging ◽  
Carotid Occlusive Disease

Coronary high-signal-intensity plaques on T1-weighted magnetic resonance imaging reflect intraplaque hemorrhage

2019 ◽  
Vol 40 ◽  
pp. 24-31 ◽  
Author(s):  
Yasuyoshi Kuroiwa ◽  
Akiko Uchida ◽  
Atsushi Yamashita ◽  
Tosiaki Miyati ◽  
Kazunari Maekawa ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Signal Intensity ◽  
High Signal Intensity ◽  
Intraplaque Hemorrhage ◽  
High Signal ◽  
Resonance Imaging ◽  
Weighted Magnetic Resonance Imaging

scholarly journals High Signal Intensity in Arterial Walls on Diffusion-Weighted Magnetic Resonance Imaging in the Active Phase of Takayasu Arteritis

2017 ◽  
Vol 81 (11) ◽  
pp. 1747-1748 ◽  
Author(s):  
Yasuyoshi Kuroiwa ◽  
Hiroshi Tai ◽  
Atsushi Yamashita ◽  
Eiji Furukoji ◽  
Yasushi Kihara ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Takayasu Arteritis ◽  
Signal Intensity ◽  
Active Phase ◽  
High Signal Intensity ◽  
High Signal ◽  
Resonance Imaging ◽  
Arterial Walls ◽  
Weighted Magnetic Resonance Imaging

scholarly journals Hyponatremia with Loss of High Signal Intensity in the Posterior Pituitary Lobe on T1-weighted Magnetic Resonance Imaging

2017 ◽  
Vol 56 (23) ◽  
pp. 3205-3209
Author(s):  
Masayuki Kitagawa ◽  
Yoshihiro Yamanaka ◽  
Toru Adachi ◽  
Junitsu Ito ◽  
Kazutoshi Fukase ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Signal Intensity ◽  
High Signal Intensity ◽  
High Signal ◽  
Posterior Pituitary ◽  
Resonance Imaging ◽  
Weighted Magnetic Resonance Imaging ◽  
Posterior Pituitary Lobe

High signal intensity on magnetic resonance imaging is a better predictor of neurobehavioral performances than blood manganese in asymptomatic welders

2009 ◽  
Vol 30 (4) ◽  
pp. 555-563 ◽  
Author(s):  
Yongmin Chang ◽  
Yangho Kim ◽  
Seung-Tae Woo ◽  
Hui-Jin Song ◽  
Suk Hwan Kim ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Signal Intensity ◽  
High Signal Intensity ◽  
High Signal ◽  
Resonance Imaging ◽  
Blood Manganese

EXTENSIVE WHITE MATTER CHANGES AFTER STEREOTACTIC RADIOSURGERY FOR BRAIN ARTERIOVENOUS MALFORMATIONS

Neurosurgery ◽  
2008 ◽  
Vol 63 (6) ◽  
pp. 1064-1070 ◽  
Author(s):  
René van den Berg ◽  
Dennis R. Buis ◽  
Frank J. Lagerwaard ◽  
Geert J. Lycklama à Nijeholt ◽  
W. Peter Vandertop
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Signal Intensity ◽  
Arteriovenous Malformations ◽  
High Signal Intensity ◽  
High Signal ◽  
Resonance Imaging ◽  
White Matter Changes ◽  
Intensity Changes ◽  
Brain Avms

Abstract OBJECTIVE Perinidal high-signal-intensity changes on T2-weighted magnetic resonance imaging can be seen surrounding radiosurgically treated brain arteriovenous malformations (AVM). Occasionally, these signal intensity changes develop far beyond the irradiated volume. A retrospective analysis of both the pre- and postradiosurgery magnetic resonance imaging and angiographic studies was performed to analyze the cause of these extensive perinidal white matter changes. METHODS The pre- and postradiosurgical magnetic resonance imaging and angiographic studies of 30 patients with T2 high-signal-intensity changes surrounding a brain AVM were analyzed retrospectively. Patients were divided into 2 groups on the basis of the extension of the signal intensity changes within or beyond the 10-Gy isodose area. The angiographic analysis was focused on the venous drainage pattern (deep versus superficial), venous stenosis, and the number of draining veins before and after radiosurgery. In addition, the obliteration rate was determined for the 2 subgroups. RESULTS Fourteen patients (47%) showed high-signal-intensity changes far beyond the 10-Gy isodose area. A single draining vein was more often present in these patients with extensive T2 hyperintensity signal changes than in the other group. Obliteration was achieved in 12 (88%) of 14 patients with extensive signal intensity changes, as opposed to 8 (50%) of 16 patients in the other group. CONCLUSION High-signal-intensity changes after radiosurgery for brain AVMs, far beyond the 10-Gy isodose area on T2-weighted images, are especially seen in brain AVMs draining through a single vein. The higher occlusion rate of brain AVMs under these circumstances is well appreciated.

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