Multiple Intracerebral Arteriovenous Malformations: Report of Two Cases

Neurosurgery ◽  
1989 ◽  
Vol 25 (2) ◽  
pp. 281-286 ◽  
Author(s):  
Yoshiya Nakayama ◽  
Akira Tanaka ◽  
Shinya Yoshinaga ◽  
Masamichi Tomonaga ◽  
Fumiaki Maehara ◽  
...  

Abstract We report the cases of two patients, each of whom had two separate angiographically demonstrable intracerebral arteriovenous malformations (AVMs). One patient had an intraventricular hemorrhage with AVMs in the basal ganglia and the insula on the left side, and the other had a pontine hemorrhage with AVMs in the pons and the occipital lobe on the right side. The AVMs in the former patient were removed totally without residual neurological deficit. We discuss the diagnostic problems of multiple intracerebral AVMs and stress the need for thorough neuroradiological evaluation so as not to miss an occult AVM. We also stress the necessity of total excision of all the lesions and point out several problems faced in surgery for AVMs.

1997 ◽  
Vol 87 (3) ◽  
pp. 436-439 ◽  
Author(s):  
Keiichiro Maeda ◽  
Hiroki Kurita ◽  
Tsuneo Nakamura ◽  
Masaaki Usui ◽  
Kazuo Tsutsumi ◽  
...  

✓ The authors present two rare cases of severe cerebral vasospasm following the rupture of arteriovenous malformations (AVMs). Computerized tomography revealed intracerebral hemorrhage in the thalamus in one case and in the putamen in the other, both accompanied by cast formation of intraventricular clots without radiological evidence of subarachnoid hemorrhage. Initial angiograms showed arterial narrowing of the bilateral internal carotid arteries in the supraclinoid portion but failed to demonstrate an arteriovenous shunt. Subsequent angiograms clearly demonstrated the existence of an AVM. Radiological features and possible mechanisms are discussed.


Neurosurgery ◽  
1988 ◽  
Vol 23 (2) ◽  
pp. 209-217 ◽  
Author(s):  
Ghaus M. Malik ◽  
Felix Umansky ◽  
Suresh Patel ◽  
James I. Ausman

ABSTRACT Arteriovenous malformations in the basal ganglia region have been a problem in neurosurgical practice. We report six cases of deep-seated malformations fed mainly by the perforating branches of the middle cerebral artery. There were no deaths in the series. Four patients returned to their previous activities, and the other two patients had persistent hemiparesis and dysphasia, present preoperatively, with worsening in one case. Both of these patients improved and are independent. We show the feasibility of satisfactory microsurgical treatment of these lesions based on the knowledge of microanatomical studies.


2021 ◽  
Vol 5 (2) ◽  
pp. 15
Author(s):  
Nicolas M. Nagysomkuti Mertse ◽  
Lisa Zenorini ◽  
René Müri

Previous publications have discussed the occurrence of intracerebral hemorrhages, hallucinations and psychosis in COVID-19 patients. In this article, we have reviewed the literature on the subject while depicting the case of a 63-year-old female patient who suffered from an intracerebral hemorrhage in the right basal ganglia and thalamus two weeks after a COVID-19 diagnosis and who developed a visual hallucinosis shortly after. We concluded that, while there may be a correlation between COVID-19 and hallucinations according to current literature, more research is yet needed to clarify. In our case, we rather interpreted the hallucinations in the context of a peduncular hallucinosis related to the intracerebral hemorrhage. We compared our patient’s lesion localization to other 15 reported cases of peduncular hallucinations following intracerebral hemorrhages reported on Pubmed. In summary, the lesions were localized in the pons in 52.9% of the cases, 17.7% were in the thalamus and/or the basal ganglia, 17.7% in the mesencephalon and respectively 5.8% in the temporal and occipital lobe. The distribution pattern we found is consistent with the previously proposed mechanism behind peduncular hallucinations.


Neurosurgery ◽  
1978 ◽  
Vol 3 (1) ◽  
pp. 22-25 ◽  
Author(s):  
J.E. McCallum ◽  
Dolores LoDolce ◽  
Manfred Boehnke

Abstract Twenty-three adults who had evidence of intraventricular hemorrhage were identified, and their charts were reviewed. Thirteen patients died and 10 survived. Eleven of the 13 who died were hypertensive. All had severe neurological deficit and evidence of brain stem dysfunction at the time of admission and progressed rapidly to coma and death. Two of the survivors had periventricular arteriovenous malformations. They presented neurologically intact and remained so. The other eight survivors had a distinct clinical course. They presented with focal deficits and abnormalities of mental status. These persisted, and at follow-up 3 to 20 months later they all had profound deficits of recent memory and intellect, and none was capable of daily self-care. Computerized tomographic (CT) scans were not useful in predicting outcome. The presence of parenchymal clot, multiple chamber involvement, 3rd ventricular involvement, ventriculomegaly, and midline shift were seen in all groups. Illustrative examples are presented.


1989 ◽  
Vol 71 (6) ◽  
pp. 932-934 ◽  
Author(s):  
Naoya Kuwayama ◽  
Akira Takaku ◽  
Michiharu Nishijima ◽  
Shunro Endo ◽  
Masato Hirao

✓ Two cases of multiple dural arteriovenous malformations (AVM's) in different locations are reported. One patient was diagnosed as having a dural AVM involving the right cavernous sinus that disappeared spontaneously 4 months after onset of symptoms. After an interval of 4 months, another dural AVM appeared involving the right lateral sinuses (transverse and sigmoid sinuses) with occlusion of the right sigmoid sinus. In the other patient, multiple dural AVM's were demonstrated on angiography, one involving the cavernous sinus and the other the left lateral sinus. The frequency of multiple occurrence and possible mechanisms of sinus occlusion are discussed.


2015 ◽  
Vol 29 (4) ◽  
pp. 135-146 ◽  
Author(s):  
Miroslaw Wyczesany ◽  
Szczepan J. Grzybowski ◽  
Jan Kaiser

Abstract. In the study, the neural basis of emotional reactivity was investigated. Reactivity was operationalized as the impact of emotional pictures on the self-reported ongoing affective state. It was used to divide the subjects into high- and low-responders groups. Independent sources of brain activity were identified, localized with the DIPFIT method, and clustered across subjects to analyse the visual evoked potentials to affective pictures. Four of the identified clusters revealed effects of reactivity. The earliest two started about 120 ms from the stimulus onset and were located in the occipital lobe and the right temporoparietal junction. Another two with a latency of 200 ms were found in the orbitofrontal and the right dorsolateral cortices. Additionally, differences in pre-stimulus alpha level over the visual cortex were observed between the groups. The attentional modulation of perceptual processes is proposed as an early source of emotional reactivity, which forms an automatic mechanism of affective control. The role of top-down processes in affective appraisal and, finally, the experience of ongoing emotional states is also discussed.


2020 ◽  
Vol 11 (SPL3) ◽  
pp. 1861-1868
Author(s):  
Bianca Princeton ◽  
Abilasha R ◽  
Preetha S

Oral hygiene is defined as the practice of keeping the mouth clean and healthy, by brushing and flossing to prevent the occurrence of any gum diseases like periodontitis or gingivitis. The main aim of oral health hygiene is to prevent the buildup of plaque, which is defined as a sticky film of bacteria and food formed on the teeth. The coastal guard is an official who is employed to watch the sea near a coast for ships that are in danger or involved with illegal activities. Coastal guards have high possibilities of being affected by mesothelioma or lung cancer due to asbestos exposure. So, a questionnaire consisting of 20 questions was created and circulated among a hundred participants who were coastal guards, through Google forms. The responses were recorded and tabulated in the form of bar graphs. Out of a hundred participants, 52.4% were not aware of the fact that coastal guards have high chances of developing lung cancer and Mesothelioma. 53.7% were aware of the other oral manifestations of lung cancer other than bleeding gums. Majority of the coastal guards feel that they are given enough information about dental hygiene protocols. Hence, to conclude, oral hygiene habits have to be elaborated using various tools in the right manner to ensure better health of teeth and gums.


2018 ◽  
Vol 4 (1) ◽  
pp. 89-107
Author(s):  
Cheri Bayuni Budjang

Buying and selling is a way to transfer land rights according to the provisions in Article 37 paragraph (1) of Government Regulation Number 24 of 1997 concerning Land Registration which must include the deed of the Land Deed Making Official to register the right of land rights (behind the name) to the Land Office to create legal certainty and minimize the risks that occur in the future. However, in everyday life there is still a lot of buying and selling land that is not based on the laws and regulations that apply, namely only by using receipts and trust in each other. This is certainly very detrimental to both parties in the transfer of rights (behind the name), especially if the other party is not known to exist like the Case in Decision Number 42 / Pdt.G / 2010 / PN.Mtp


2018 ◽  
Author(s):  
Fatima Maria Felisberti

Visual field asymmetries (VFA) in the encoding of groups rather than individual faces has been rarely investigated. Here, eye movements (dwell time (DT) and fixations (Fix)) were recorded during the encoding of three groups of four faces tagged with cheating, cooperative, or neutral behaviours. Faces in each of the three groups were placed in the upper left (UL), upper right (UR), lower left (LL), or lower right (LR) quadrants. Face recognition was equally high in the three groups. In contrast, the proportion of DT and Fix were higher for faces in the left than the right hemifield and in the upper rather than the lower hemifield. The overall time spent looking at the UL was higher than in the other quadrants. The findings are relevant to the understanding of VFA in face processing, especially groups of faces, and might be linked to environmental cues and/or reading habits.


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