Visual rating of magnetic resonance images of human cerebrospinal fluid spaces and white brain matter: Relation to sex and age in healthy volunteers

1992 ◽  
Vol 10 (1) ◽  
pp. 135-142 ◽  
Author(s):  
Ingrid Agartz ◽  
Olle Marions ◽  
Jan Sääf ◽  
Lars-Olof Wahlund ◽  
Lennart Wetterberg
Keyword(s):  
Cerebrospinal Fluid ◽  
Magnetic Resonance ◽  
Healthy Volunteers ◽  
Magnetic Resonance Images ◽  
Visual Rating ◽  
Human Cerebrospinal Fluid

Non-inflammation cerebrospinal fluid and normal brain magnetic resonance images of Autoimmune encephalits

2019 ◽  
Author(s):  
Yake Zheng ◽  
Peng Zhao ◽  
yajun lian ◽  
Lihao Li ◽  
Yuan Chen ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Magnetic Resonance ◽  
Clinical Symptoms ◽  
Brain Mri ◽  
Clinical Manifestations ◽  
Speech Disorders ◽  
Magnetic Resonance Images ◽  
Normal Brain ◽  
Recurrence Rates ◽  
Clinical Prognosis

Abstract Background We set out to investigate the characteristics and factors related to non-inflammation cerebrospinal fluid (CSF) and normal brain magnetic resonance images (MRI) of autoimmune encephalitis (AE) in patients. Methods The distribution and characteristics of brain MRI and CSF in 124 patients who were living with anti-NMDAR(71), LGI1(26),CASPR2(4),GABAR(23) encephalitis and who had been admitted between October 2016 and May 2018 were analyzed prospectively. Results 12 of the 124 patients(1%) had a normal MRI and non-inflammation CSF.Ten of them were LGI1(83%),while the remaining 1 patient was NMDAR(8.3%),1 patient was CASPR2(8.3%).The clinical symptoms including epilepsy, psychosis, cognitive disorders, conscious disorders, headache, faciobrachial dystonic seizure (FBDS), speech disorders and hypoventilation. AE with non-inflammation CSF and normal MRI with good clinical prognosis. The median modified Rankin Scale (mRS) was low, and recurrence rate was also low. Conclusion The clinical manifestations of on-inflammation CSF and brain MRI-negative patients with AE are not specific, but suggest a better prognosis and a lower recurrence rates.

Analysis of aqueductal cerebrospinal fluid flow after endoscopic aqueductoplasty by using cine phase-contrast magnetic resonance imaging

2000 ◽  
Vol 93 (2) ◽  
pp. 237-244 ◽  
Author(s):  
Henry W. S. Schroeder ◽  
Christiane Schweim ◽  
Klaus H. Schweim ◽  
Michael R. Gaab
Keyword(s):  
Cerebrospinal Fluid ◽  
Magnetic Resonance ◽  
Mr Imaging ◽  
Healthy Volunteers ◽  
Phase Contrast ◽  
Aqueductal Stenosis ◽  
Csf Flow ◽  
Content Type ◽  
Endoscopic Aqueductoplasty ◽  
Fine Print

Object. The purpose of this prospective study was to evaluate aqueductal cerebrospinal fluid (CSF) flow after endoscopic aqueductoplasty. In all patients, preoperative magnetic resonance (MR) imaging revealed hydrocephalus caused by aqueductal stenosis and lack of aqueductal CSF flow.Methods. In 14 healthy volunteers and in eight patients with aqueductal stenosis who had undergone endoscopic aqueductoplasty, aqueductal CSF flow was investigated using cine cardiac-gated phase-contrast MR imaging. For qualitative evaluation of CSF flow, the authors used an in-plane phase-contrast sequence in the midsagittal plane. The MR images were displayed in a closed-loop cine format. Quantitative through-plane measurements were performed in the axial plane perpendicular to the aqueduct. Evaluation revealed no significant difference in aqueductal CSF flow between healthy volunteers and patients with regard to temporal parameters, CSF peak and mean velocities, mean flow, and stroke volume. All restored aqueducts have remained patent 7 to 31 months after surgery.Conclusions. Aqueductal CSF flow after endoscopic aqueductoplasty is similar to aqueductal CSF flow in healthy volunteers. The data indicate that endoscopic aqueductoplasty seems to restore physiological aqueductal CSF flow.

High-field magnetic resonance imaging in patients with moyamoya disease

2001 ◽  
Vol 94 (2) ◽  
pp. 233-237 ◽  
Author(s):  
Atsuko Harada ◽  
Yukihiko Fujii ◽  
Yuichiro Yoneoka ◽  
Shigekazu Takeuchi ◽  
Ryuichi Tanaka ◽  
...  
Keyword(s):  
Magnetic Resonance ◽  
Mr Imaging ◽  
Healthy Volunteers ◽  
Moyamoya Disease ◽  
Cerebral Circulation ◽  
High Field ◽  
Magnetic Resonance Images ◽  
Cerebral Hypoperfusion ◽  
Content Type ◽  
Fine Print

Object. The purpose of this study was to assess the utility of high-field magnetic resonance (MR) imaging as a quantitative tool for estimating cerebral circulation in patients with moyamoya disease. Methods. Eighteen patients with moyamoya disease who were scheduled to undergo revascularization surgery and 100 healthy volunteers were examined using T2-reversed MR imaging performed using a 3-tesla system. Ten of the 18 patients underwent a second study between 1 year and 3 years after revascularization. Magnetic resonance images obtained in the patients with moyamoya disease were statistically analyzed and compared with those obtained in healthy volunteers. The MR imaging findings were also correlated with results of single-photon emission computerized tomography and conventional cerebral angiography studies. Transverse lines in the white matter (medullary streaks) were observed in almost all persons. In healthy volunteers, the diameter sizes of the medullary streaks increased significantly with age (p < 0.001). Multiple logistic regression analysis revealed that age-adjusted medullary streak diameters were significantly larger in patients with moyamoya disease (p < 0.001). Diameter sizes also increased significantly with the increased severity of cerebral hypoperfusion (p < 0.001) and a higher angiographically determined stage of the disease (p < 0.001). Diameter sizes decreased significantly after surgery (p < 0.001). Conclusions. The increases in medullary streak diameters observed in patients with moyamoya disease appear to represent vessels dilated due to cerebral hypoperfusion. High-field T2-reversed MR imaging is useful in estimating cerebral circulation in patients with moyamoya disease.

Influence of Lumbosacral Cerebrospinal Fluid Density, Velocity, and Volume on Extent and Duration of Plain Bupivacaine Spinal Anesthesia

2004 ◽  
Vol 100 (1) ◽  
pp. 106-114 ◽  
Author(s):  
Hideyuki Higuchi ◽  
Jyun-ichi Hirata ◽  
Yushi Adachi ◽  
Tomiei Kazama
Keyword(s):  
Cerebrospinal Fluid ◽  
Magnetic Resonance ◽  
Spinal Anesthesia ◽  
Onset Time ◽  
Inverse Correlation ◽  
Sensory Block ◽  
Magnetic Resonance Images ◽  
Spinal Block ◽  
Linear Regression Models ◽  
Block Level

Background The current study was designed to investigate the influence of lumbosacral cerebrospinal fluid (CSF) density, velocity, and volume on the extent and duration of plain bupivacaine spinal anesthesia. Methods Forty-one patients scheduled to undergo orthopedic surgery with spinal block were enrolled. Lumbosacral CSF volumes were calculated from low thoracic, lumbar, and sacral axial magnetic resonance images. CSF velocity at the L3-L4 level was derived from phase-contrast magnetic resonance images. Spinal anesthesia was performed in the lateral decubitus position. CSF (2 ml) was sampled to measure CSF density before injection of 3 ml plain bupivacaine (0.5%). Statistical correlation coefficients (rho) between CSF characteristics and measurements of spinal anesthesia were assessed by Spearman rank correlation. In addition, stepwise multiple linear regression models were used to select important predictors of measures of spinal anesthesia. Results There was a significant correlation between CSF density and peak sensory block level (rho = 0.33, P = 0.034). Lumbosacral CSF volume inversely correlated with peak sensory block level (rho = -0.65, P &lt; 0.0001) and positively correlated with onset time of complete motor block (rho = 0.42, P = 0.008). CSF volume also inversely correlated with time required for regression of the sensory block to L1 (rho = -0.35, P = 0.026) and L2 (rho = -0.33, P = 0.039). There was a significant inverse correlation between peak diastolic CSF velocity and duration of motor blockade (rho = -0.44, P = 0.005). Multiple regression analysis revealed that weight and CSF volume significantly contributed to the peak sensory block level (R2 = 0.46). Conclusions These findings indicate that CSF density and volume influence the spread of spinal anesthesia with plain bupivacaine and that CSF volume also influences the duration of spinal anesthesia. CSF velocity might also influence the duration of plain bupivacaine spinal anesthesia.

Visual Rating System for Assessing Magnetic Resonance Images

2009 ◽  
Vol 33 (1) ◽  
pp. 73-78 ◽  
Author(s):  
Raksha Urs ◽  
Elizabeth Potter ◽  
Warren Barker ◽  
Jason Appel ◽  
David A. Loewenstein ◽  
...  
Keyword(s):  
Magnetic Resonance ◽  
Magnetic Resonance Images ◽  
Rating System ◽  
Visual Rating

Broadening the clinical spectrum: unusual presentation of spontaneous cerebrospinal fluid hypovolemia

2003 ◽  
Vol 98 (4) ◽  
pp. 903-907 ◽  
Author(s):  
Dennis A. Nowak ◽  
Sven-Olaf Rodiek ◽  
Jürgen Zinner ◽  
Albrecht Guhlmann ◽  
Helge Topka
Keyword(s):  
Cerebrospinal Fluid ◽  
Magnetic Resonance ◽  
Clinical Presentation ◽  
Spontaneous Intracranial Hypotension ◽  
Magnetic Resonance Images ◽  
Content Type ◽  
Imaging Characteristics ◽  
Blood Patch ◽  
Csf Leakage ◽  
Fine Print

✓ The syndrome of spontaneous intracranial hypotension is characterized by orthostatic headaches in conjunction with reduced cerebrospinal fluid (CSF) pressure or CSF volume, and characteristic magnetic resonance (MR) imaging findings. A 50-year-old man presented with a 1-year history of paroxysmal ataxia of gait and short attacks of blurred vision when he stood up from a recumbent position and began to walk. Orthostatic headache was not a feature of his clinical presentation. Magnetic resonance images of the brain revealed diffuse enhancement of the dura mater and hygromas over both cerebral convexities. Magnetic resonance images of the spine demonstrated dilated cervical epidural veins and dilation of the perimedullary veins. Radionuclide cisternography identified a CSF leakage that was localized to the T12—L1 level on subsequent myelograms and on computerized tomography scans obtained after the myelograms. An epidural blood patch was administered and visualized with tungsten powder. The patient's clinical symptoms and sites of disease on imaging completely resolved. The unusual clinical presentation in this case—paroxysmal ataxia of gait, lack of orthostatic headaches, and dilated epidural and perimedullary venous plexus—supports a recently noted broadening of both the clinical and imaging characteristics of spontaneous intracranial hypovolemia.

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