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Convexity hemorrhage

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https://www.readbyqxmd.com/read/29712813/author-response-teaching-neuroimages-rcvs-causing-simultaneous-convexity-subarachnoid-hemorrhage-and-hemimedullary-infarction
#1
https://www.readbyqxmd.com/read/29712812/reader-response-teaching-neuroimages-rcvs-causing-simultaneous-convexity-subarachnoid-hemorrhage-and-hemimedullary-infarction
#2
Aravind Ganesh
No abstract text is available yet for this article.
May 1, 2018: Neurology
https://www.readbyqxmd.com/read/29712811/editors-note-teaching-neuroimages-rcvs-causing-simultaneous-convexity-subarachnoid-hemorrhage-and-hemimedullary-infarction
#3
Megan Alcauskas, Steven Galetta
No abstract text is available yet for this article.
May 1, 2018: Neurology
https://www.readbyqxmd.com/read/29679001/nonaneurysmal-perimesencephalic-subarachnoid-hemorrhage-as-an-atypical-initial-presentation-of-cerebral-venous-sinus-thrombosis-a-case-report
#4
Roaa R Amer, Eman A Bakhsh
BACKGROUND Subarachnoid hemorrhage is rarely the first presentation of cerebral venous sinus thrombosis. This case study emphasizes the presentation of perimesencephalic subarachnoid hemorrhage due to cerebral venous sinus thrombosis and the importance of neurovascular imaging for reliable diagnosis of nonaneurysmal perimesencephalic subarachnoid hemorrhage due to cerebral venous sinus thrombosis. CASE REPORT We describe a case of cerebral venous sinus thrombosis manifesting initially as subarachnoid hemorrhage...
April 21, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29626682/patterns-predictors-and-outcomes-of-post-procedure-delayed-hemorrhage-following-flow-diversion-for-intracranial-aneurysm-treatment
#5
A C White, D A Kumpe, C D Roark, D E Case, J Seinfeld
PURPOSE: To evaluate patterns, predictors, and outcomes of post procedure delayed hemorrhage (PPDH) following flow diversion therapy for intracranial aneurysm. METHODS: 50 patients with 52 aneurysms were treated from 2012-2016 with the Pipeline Embolization Device (PED; Medtronic, Minneapolis, MN). PED placement was performed as a standalone therapy or with adjunctive coil embolization. Patients underwent dual antiplatelet therapy (DAT) for 6 months following treatment...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29625555/subarachnoid-hemorrhage-after-transient-global-amnesia-caused-by-cerebral-venous-congestion-case-report
#6
Yuta Maetani, Masahiro Nakamori, Tomoaki Watanabe, Hayato Matsushima, Eiji Imamura, Shinichi Wakabayashi
BACKGROUND: Transient global amnesia is reported to be caused by cerebral venous congestion. Internal jugular venous flow reversal in particular with the Valsalva maneuver leads to cerebral venous congestion. In addition, Valsalva maneuver can also induce subarachnoid hemorrhage. Transient global amnesia and subarachnoid hemorrhage might have common a pathophysiology in cerebral venous congestion. CASE PRESENTATION: We report here the case of a 57-year-old woman who twice experienced convexal subarachnoid hemorrhage just after straining at stool following an episode of transient global amnesia...
April 6, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29588906/complications-of-extended-endoscopic-endonasal-surgery-in-elderly-patients
#7
Tyler J Kenning, Carlos D Pinheiro-Neto
Extended endoscopic endonasal procedures are not unique among surgical interventions in carrying increased risk in the elderly population. There are, however, components of the procedure, namely high-flow cerebrospinal fluid leaks, that do result in the potential for increased perioperative morbidity for these patients. We present the case of a 77-year-old male with a large invasive pituitary macroadenoma resected through a transplanum-transtuberculum-transsellar endonasal approach. A gross total resection was obtained with resolution of the patient's preoperative ophthalmologic deficits...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29483325/pearls-oy-sters-paraneoplastic-cerebral-vasculitis-rare-cause-of-spontaneous-convexity-subarachnoid-hemorrhage
#8
Anuja Patil, Ritu Shree, Darakhshan Naheed, Manoj K Goyal, Sahil Mehta, Chirag K Ahuja, Bishan D Radotra, Vivek Lal
No abstract text is available yet for this article.
February 27, 2018: Neurology
https://www.readbyqxmd.com/read/29303451/traumatic-midline-subarachnoid-hemorrhage-on-initial-computed-tomography-as-a-marker-of-severe-diffuse-axonal-injury
#9
Daddy Mata-Mbemba, Shunji Mugikura, Atsuhiro Nakagawa, Takaki Murata, Kiyoshi Ishii, Shigeki Kushimoto, Teiji Tominaga, Shoki Takahashi, Kei Takase
OBJECTIVE The objective of this study was to test the hypothesis that midline (interhemispheric or perimesencephalic) traumatic subarachnoid hemorrhage (tSAH) on initial CT may implicate the same shearing mechanism that underlies severe diffuse axonal injury (DAI). METHODS The authors enrolled 270 consecutive patients (mean age [± SD] 43 ± 23.3 years) with a history of head trauma who had undergone initial CT within 24 hours and brain MRI within 30 days. Six initial CT findings, including intraventricular hemorrhage (IVH) and tSAH, were used as candidate predictors of DAI...
January 5, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29236888/convexity-subarachnoid-hemorrhage-clinical-features-and-etiology-of-an-argentinian-cohort
#10
Aníbal Chertcoff, Lucrecia Bandeo, Fátima Pantiu, Luciana León Cejas, Sol Pacha, Claudia Uribe Roca, Manuel Fernández Pardal, Ricardo Reisin, Pablo Bonardo
Nontraumatic convexity subarachnoid hemorrhage is an increasingly recognized subtype of subarachnoid bleeding. OBJECTIVE: Our aim was to describe the etiology and clinical features of a cohort of patients with convexity subarachnoid hemorrhage. METHODS: We retrospectively analyzed all cases of convexity subarachnoid hemorrhage admitted to our hospital between January 2012 and April 2017. Demographic features, clinical characteristics, complementary investigations, etiology and mortality were assessed...
December 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29168672/acute-diffusion-weighted-imaging-lesions-in-cerebral-amyloid-angiopathy-related-convexal-subarachnoid-hemorrhage
#11
Markus Beitzke, Christian Enzinger, Alexander Pichler, Gerit Wünsch, Franz Fazekas
Small acute diffusion-weighted imaging (DWI) lesions can accompany intracerebral hemorrhage due to cerebral amyloid angiopathy (CAA). We therefore examined the occurrence of such lesions in the context of CAA-related convexal subarachnoid hemorrhage (cSAH) both in a cross-sectional and longitudinal manner. DWI lesions were noted in 14/29 (48%) patients at their index cSAH and 12/21 patients (57%) showed acute small DWI lesions at follow-up MRI. Forty-four of 71 (62%) DWI lesions were spatially related to areas of cortical superficial siderosis...
February 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29163745/possible-reversible-cerebral-vasoconstriction-syndrome-associated-with-eucalyptus-case-report
#12
Daniel Lapid, Mohtashim Arbaab Qureshi, Ihtesham Aatif Quresh, Mohammed Rauf Afzal, Alberto Maud, Gustavo J Rodriguez, Rakesh Khatri
Background: Reversible cerebral vasoconstrictive syndrome (RCVS) has characteristic clinical features, brain imaging and Angiographic features. The majority of RCVS cases are associated with the use of antidepressants, polysubstance abuse, and nasal decongestants. We here present a case that highlights the use of eucalyptus herbs as a possible precipitant factor for RCVS formation. Case Presentation: A 42-year-old woman presented to the emergency department with a tingling sensation on the right-hand side of her body and a two-week progressive throbbing severe holocranial headache radiating to the neck, with associated nausea, photophobia, and phonophobia...
October 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29160086/anatomic-and-radiologic-study-of-renal-avascular-plane-br%C3%A3-del-s-line-and-its-potential-relevance-on-percutaneous-and-surgical-approaches-to-the-kidney
#13
Veronica Macchi, Edgardo Picardi, Antonino Inferrera, Andrea Porzionato, Alessandro Crestani, Giacomo Novara, Raffaele De Caro, Vincenzo Ficarra
OBJECTIVE: The aim of the present anatomic and radiologic study was to evaluate the location, extension, and characteristics of the Brödel's plane and eventually define its different patterns. MATERIALS AND METHODS: We evaluated 15 human normal kidneys sampled from unembalmed cadavers without clinical history or anatomical evidence of renal diseases. Kidneys with the surrounding perirenal fat tissue were removed en bloc with the abdominal segment of the aorta. The renal artery was injected with acrylic and radiopaque resins...
February 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29142633/risk-factors-of-delayed-surgical-intervention-after-conservatively-treated-acute-traumatic-subdural-hematoma
#14
Hyungjoo Kwon, Kyu-Sun Choi, Hyeong-Joong Yi, Hyoung-Joon Chun, Young-Jun Lee, Dong-Won Kim
Objective: Acute subdural hematoma (ASDH) is generally considered a condition that should be managed surgically. However, some patients initially receive conservative treatment, a subset of whom require surgical intervention later. This study aimed to evaluate the predictors of delayed surgical intervention in ASDH patients who are initially managed conservatively. Methods: From January 2007 to December 2015, 842 patients diagnosed with ASDH were treated at our institution...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29099394/nontraumatic-convexal-subarachnoid-hemorrhage-accompanied-by-sylvian-hematoma-an-autopsy-case-of-ruptured-distal-middle-cerebral-artery-aneurysm
#15
Kenji Ninomiya, Maki Fukasawa, Yuka Kawakami, Chiaki Fuke, Tetsuji Miyazaki
We describe an autopsy case of nontraumatic convexal subarachnoid hemorrhage (cSAH) accompanied by sylvian hematoma. A woman in her 50s was found dead in her house. On autopsy, massive cSAH accompanied by sylvian hematoma was observed. Because of the absence of subarachnoid hemorrhage (SAH) in the basal cistern, initial suspicion was that of a traumatic SAH. After a detailed investigation, a ruptured cerebral aneurysm of the distal middle cerebral artery was found in the hematoma, and the cSAH in this case was confirmed to be endogenous...
March 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29070715/prevalence-and-natural-history-of-superficial-siderosis-a-population-based-study
#16
Michael Pichler, Prashanthi Vemuri, Alejandro A Rabinstein, Jeremiah Aakre, Kelly D Flemming, Robert D Brown, Neeraj Kumar, Kejal Kantarci, Walter Kremers, Michelle M Mielke, David S Knopman, Clifford R Jack, Ronald C Petersen, Val Lowe, Jonathan Graff-Radford
BACKGROUND AND PURPOSE: Superficial siderosis (SS) is characterized by hemosiderin deposition in the superficial layers of the central nervous system and can be seen during postmortem examination or with iron-sensitive magnetic resonance imaging techniques. The distribution of SS may predict the probable underlying cause. This study aimed to report the prevalence and natural history of SS in a population-based study. METHODS: Brain magnetic resonance imaging scans from the MCSA (Mayo Clinic Study of Aging), a population-based study of residents 50 to 89 years of age in Olmsted County, Minnesota, were reviewed...
December 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29053885/cortical-superficial-siderosis-and-acute-convexity-subarachnoid-hemorrhage-in-cerebral-amyloid-angiopathy
#17
N Raposo, L Calviere, V Cazzola, M Planton, S Patsoura, M Wargny, J F Albucher, A Sommet, J M Olivot, F Chollet, J Pariente, F Bonneville, A Viguier
BACKGROUND AND PURPOSE: Acute convexity subarachnoid hemorrhage (cSAH) and cortical superficial siderosis (cSS) are neuroimaging markers of cerebral amyloid angiopathy (CAA) that may arise through similar mechanisms. The prevalence of cSS in patients with CAA presenting with acute cSAH versus lobar intracerebral hemorrhage (ICH) was compared and the physiopathology of cSS was explored by examining neuroimaging associations. METHODS: Data from 116 consecutive patients with probable CAA (mean age, 77...
February 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28980554/-the-possibilities-for-the-expert-diagnostics-of-the-injuries-for-the-purpose-of-examination-of-the-remains-of-the-strongly-burnt-and-carbonized-corpses
#18
V A Fetisov, I Yu Makarov, A V Kovalev, A A Gusarov, B A Sarkisyan, V E Yankovsky
The objective of the present study was the analysis of the publications in the domestic and foreign literature containing the reports concerning the experience with forensic medical expertise of the strongly burnt and carbonized human corpses. Flame is known to sometimes cause injuries simulating the intravital wounds. Such injuries are categorized into the following types. Thermal ruptures reminiscent of the classical stab and slash wounds unaccompanied by swelling and hemorrhage in the surrounding tissues...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28975855/treatment-of-cranial-dural-arteriovenous-fistulas-with-exclusive-cortical-venous-drainage-a-single-center-cohort-of-35-patients
#19
H G Kortman, G Bloemsma, I Boukrab, J P Peluso, M Sluzewski, B van der Pol, G N Beute, C B Majoie, W J van Rooij
Background and purpose Dural arteriovenous fistulas (DAVFs) with cortical venous drainage often present with hemorrhage or neurological deficits and prompt treatment is indicated. Disconnection of the draining vein is considered curative. We present the multimodality treatment results of 35 patients with cranial DAVFs with exclusive cortical venous drainage. Materials and methods Between January 2010 and January 2017, 35 consecutive patients with cranial dural fistulas with exclusive cortical venous drainage were treated...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28923893/teaching-neuro-images-rcvs-causing-simultaneous-convexity-subarachnoid-hemorrhage-and-hemimedullary-infarction
#20
Prad Selvan, Steven R Levine
No abstract text is available yet for this article.
September 19, 2017: Neurology
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