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Cortical sulcal effacement on brain CT associated with cerebral hyperperfusion after carotid artery stenting |
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| Authors: | Park Kwang-Yeol Kim Jong Hun Chung Chin-Sang Lee Kwang Ho Chung Pil-Wook Kim Byung Moon Kim Gyeong-Moon |
| Affiliation: | aDepartment of Neurology, Chung-Ang University Medical Center, Chung-Ang University School of Medicine, Seoul, Republic of Korea bDepartment of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea cDepartment of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea dDepartment of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea |
| Abstract: | We present two patients with reversible neurologic deficits after carotid artery stenting. The patients showed diffuse cortical sulcal effacement without parenchymal hypoattenuation on brain non-contrast CT as well as mild hyperperfusion on perfusion imaging. There was no white matter edema or intracerebral hemorrhage in either patient. We speculated that hyperperfusion after carotid artery stenting could be the underlying cause of the cortical sulcal effacement on brain CT in the absence of prominent cytotoxic or vasogenic edema. |
| Keywords: | Sulcal effacement Hyperperfusion Carotid artery stenting |
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