Bilateral Paramedian Thalamic Contrast Enhancement on CT after Intra-arterial Thrombolysis
نویسندگان
چکیده
A 58-year-old woman presented with an acute embolic occlusion of the distal basilar artery. She underwent angioplasty and intra-arterial thrombolysis. Angiography performed after recanalization revealed a single perforating thalamic artery. A nonenhanced CT scan carried out immediately after the procedure revealed hyperdense lesions in the bilateral paramedian portions of the thalami, which disappeared on the 24-hour follow-up CT scan. Three months later, the patient improved to functional independence, but had some memory dysfunction and vertical gaze palsy. This case suggests that contrast enhancement or extravasation can occur in the thalamus after intra-arterial thrombolysis performed to recanalize a basilar artery occlusion.
منابع مشابه
Contrast enhancement and contrast extravasation on computed tomography after intra-arterial thrombolysis in patients with acute ischemic stroke.
BACKGROUND AND PURPOSE The goal of this study was to determine the CT findings and clinical consequences of contrast enhancement and contrast extravasation on CT scans obtained after intra-arterial thrombolytic therapy for treatment of acute ischemic stroke. METHODS Sixty-two patients were treated with intra-arterial thrombolysis. All patients underwent nonenhanced CT scans immediately and 24...
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Bilateral paramedian thalamic stroke is a special ischemic pattern that results from occlusion of the artery of Percheron (AOP), a rare anatomic variant of the paramedian arteries. We report a case of bilateral thalamic infarctions, with a dramatic improvement after thrombolysis. DSA demonstrated recanalization of AOP with possible unreported variation.
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Address correspondence to: Guangming Zhu, M.D., Ph.D., Military General Hospital of Beijing PLA, Department of Neurology, No.5, Nanmencang, Dongsi, Dongcheng District, Beijing, 100010, China. Phone: 86-18601221977, 001-434-466-2169, Email: [email protected] A 73-year-old woman with a history of hypertension and diabetes mellitus was admitted in a local hospital, unequipped to deliver thrombolysi...
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