Dural arteriovenous fistula presenting as thalamic dementia: a case description with rare imaging findings

Liu, Renjie; Zhao, Yuhao; Yin, Haoyuan; Shi, Zhongqiang; Chen, Xuan

doi:10.21037/qims-21-1054

Cited by 9 publications

(8 citation statements)

References 30 publications

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“…However, Percheron artery occlusion, in most cases, will result in bilateral medial thalamic infarction, and most of them have the symptoms of consciousness disorder and vertical gaze paralysis [4] . The clinical manifestation of this patient is consistent with that of thalamic dementia [5] Unconscious disorder and abnormal gaze, which is different from that of Percheron infarction; At the same time, in terms of imaging performance, the patient had bilateral anterior thalamic infarction, which was consistent with the imaging performance of occlusion of the blood supply area of bilateral thalamic nodular arteries [6] .…”

Section: Discussionmentioning

confidence: 52%

A case of Bilateral anterior thalamic symmetrical infarction

Zhang

et al. 2022

Preprint

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Background: Bilateral anterior thalamic symmetrical infarction is very rare in clinical practice and has not been reported so far. Here, we introduce a patient with symmetrical bilateral anterior thalamic infarction, and discuss his symptoms, treatment process, late follow-up and potential mechanisms. Case presentation: A 71-year-old male had a sudden cognitive decline 4 days ago. The patient's brain MRI showed symmetrical high signals in the anterior part of bilateral thalamus. The patient's head MRV and immunological tests were normal. We consider this patient as a rare bilateral anterior thalamic infarction. After 10 days of anti-platelet aggregation, lowering blood lipid and improving circulation, the patient's symptoms improved significantly. Two years later, we found through telephone follow-up that the patient's symptoms did not change significantly, he was completely self-care, his reaction was normal, and only a slight recent memory decline was left. Conclusion: For patients with bilateral anterior thalamic lesions with only acute cognitive impairment, the diagnosis of acute cerebral infarction should be taken into account, and the treatment plan for cerebral infarction should be given as soon as possible.

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Section: Discussionmentioning

confidence: 52%

A case of Bilateral anterior thalamic symmetrical infarction

Zhang

et al. 2022

Preprint

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“…A key drawback of xenograft/allograft models is that they do not recapitulate the histology of tumors, which exist as mixtures of tumor cells, neighboring healthy tissue, stromal cells, supporting vasculature, and infiltrating immune cells ( 95 - 98 ). Carcinogen-induced tumor models are generally thought to better mimic progression of human disease compared with xenograft or allograft models ( 99 ). Rodent models of chemically induced cancer have been shown to reliably mimic the mechanisms of carcinogenesis, and to resemble the clinical course of human cancers in terms of morphology, histopathology, and molecular changes.…”

Section: Resultsmentioning

confidence: 99%

A systematic review of preclinical studies evaluating the association between nicotine and the initiation and progression of cancer

Kim,

Steffensen,

Miguel

et al. 2023

Ann Transl Med

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Background The association between cigarette smoking and the increased risk of many cancers is well established. Conversely, epidemiological studies of smokeless tobacco demonstrate decreased risk, or no elevated risk, of certain cancers versus smoking. However, it is unclear what role, if any, nicotine plays in these associations. The objective of this systematic review was to synthesize the available evidence from preclinical studies that examined the potential association between nicotine and the initiation and/or progression of cancer. Methods MEDLINE, Embase, PsychInfo, and Cochrane Database of Systematic Reviews were searched for articles published from inception until February 13, 2022. Studies were eligible for inclusion if they evaluated animal cancer or tumor models, compared nicotine and non-nicotine groups, and evaluated measures of cancer initiation or progression. Results Among 1,137 identified articles, 61 were included in qualitative synthesis. Twelve studies reported data on tumor initiation, and 54 studies reported data on tumor progression. The majority of the tumor initiation studies did not identify an association between nicotine exposure and an increased risk of spontaneous tumor initiation. Results of tumor progression studies were inconsistent and varied across the reported measures, cancer type being evaluated, and animal cancer model used. Overall, the quality of reporting was poor, with many studies not demonstrating a high level of internal and/or external validity. Conclusions In conclusion, although animal models have provided invaluable data for human health risk assessments of chemical exposures, the heterogeneity across the studies included in this systematic review make the interpretation and generalizability of the results difficult.

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“…A Dural arteriovenous fistula (DAVF) denotes an abnormal direct connection between an artery and a Dural venous sinus, and it accounts for about 10% of cranial vascular malformations [ 1 ]. Spectrums of clinical presentations are pervasive, ranging from pulsatile tinnitus to intracranial hemorrhage (ICH).…”

Section: Introductionmentioning

confidence: 99%

Dural Arteriovenous Fistula Presenting as a Rapidly Progressive Thalamic Dementia: A Case Report

Khan¹,

Elkady²,

Rahametallah³

et al. 2022

Cureus

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Rapidly progressive dementia is an uncommon neurological presentation and usually needs extensive workup, especially for reversible causes. Dural arteriovenous fistula (DAVF) has been rarely reported as a cause of thalamic dementia, in which bilateral thalamic venous congestion and edema cause dementia that usually progresses rapidly. We present a case of a 45 years-old male who presented with rapidly progressive severe attention and memory impairment over one week. Initial work-up showed bilateral thalamic recent venous infarctions and edema. Extensive work-up revealed an intracranial DAVF with internal deep venous thrombosis. Management with endovascular treatment of DAVF followed by anticoagulation for venous thrombosis leads to improvement of the patient's clinical condition, particularly memory and attention. In conclusion, DAFV could present with thalamic rapidly progressive dementia due to bithalamic infarctions and edema. Early diagnosis and treatment will reverse the cause and improve the patient's general and cognitive conditions.

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Dural arteriovenous fistula presenting as thalamic dementia: a case description with rare imaging findings

Abstract: Dural arteriovenous fistula presenting as thalamic dementia: a case description with rare imaging findings. Quant Imaging

Cited by 9 publications

References 30 publications

A case of Bilateral anterior thalamic symmetrical infarction

A case of Bilateral anterior thalamic symmetrical infarction

A systematic review of preclinical studies evaluating the association between nicotine and the initiation and progression of cancer

Dural Arteriovenous Fistula Presenting as a Rapidly Progressive Thalamic Dementia: A Case Report

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