Crossed cerebellar hyperperfusion after MELAS attack followed up by whole brain continuous arterial spin labeling perfusion imaging |
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Authors: | Tsujikawa Tetsuya Yamamoto Tatsuya Ikawa Masamichi Yoneda Makoto Kimura Hirohiko |
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Institution: | Department of Radiology, Faculty of Medical Sciences, University of Fukui, Japan. |
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Abstract: | Crossed cerebellar hyperperfusion (CCH) is detected in patients with epilepsy by brain perfusion studies including single photon emission computed tomography and positron emission tomography. In addition, brain perfusion can be studied with arterial spin labeling (ASL), which is a non-invasive MRI perfusion method that quantitatively measures cerebral blood flow per unit tissue mass. We followed up a 47-year-old patient with mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) by continuous arterial spin labeling technique, which showed crossed cerebellar hyperperfusion after acute stroke-like episode. This cerebellar hyperperfusion normalized in the follow-up. |
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