Abstract:
BACKGROUND AND PURPOSE:Ischemic lesions rarely affect the cingulate cortex (CC) in isolation, restricting human lesion/behavioural change correlational analysis. The aim of this study was to determine clinical, neuropsychological and neuroimaging features of isolated cingulate infarcts. METHODS:We studied, 3800 patients with first-ever ischemic stroke included in our Stroke Registry between 2012 and 2018. Among them we studied 7 patients with an acute isolated cingulate infarct confirmed by MRI. RESULTS:Among all patients, 7 patients (0.01%) showed ischemic lesions in the territory of cingulate cortex territory, allowing us to delineate 2 substantial distributions; (1) Anterior cingulate cortex (ACC) infarction (4 patients [57%]) was presented low vigilance level with apathy, mutism, deficits in executive function, attention, and disturbances of working, episodic and verbal memory; (2) Posterior cingulate cortex (PCC) infarction (3 patients [43%]) developed topographic disorientation, visual memory deficit and affective-emotional behavioural changes. CONCLUSIONS:According rarely seen CC infarction events, we suggest that anterior and posterior CC are functionally separated and differences in clinical presentation are explained by considering; ACC plays a role in executive functions, episodic and working memory, set maintenance, and PCC is focused on spatial and verbal attention, and memory system. We considered that different patterns of cingulate infarcts are the result of variation in cingulate arterial supply or suggest a source of embolism.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Kumral E,Erdoğan CE,Bayam FE,Arslan Hdoi
10.1016/j.jns.2019.04.033subject
Has Abstractpub_date
2019-07-15 00:00:00pages
1-6eissn
0022-510Xissn
1878-5883pii
S0022-510X(19)30200-Xjournal_volume
402pub_type
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