Evaluation of hydrocephalus patients with 3D-SPACE technique using variant FA mode at 3T

Algın, Oktay

doi:10.1007/s13760-017-0838-z

Cited by 10 publications

(10 citation statements)

References 30 publications

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“…[1516] Algin et al in 2017 stated that 3D-SPACE technique at 3T MRI better delineates the morphology of CSF containing spaces, CSF-related tiny membranes, CSF hydrodynamics, and other associated findings and recommended its routine use for patients with CSF disorders. [17] Our study proved the same.…”

Section: Discussionsupporting

confidence: 80%

Role of 3D SPACE sequence and susceptibility weighted imaging in the evaluation of hydrocephalus and treatment-oriented refined classification of hydrocephalus

Chellathurai

Subbiah

Ajis

et al. 2018

Indian Journal of Radiology and Imaging

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Objective:The aim of our study was to evaluate the diagnostic utility of three-dimensional sampling perfection with application optimized contrast using different flip angle evolution (3D SPACE) sequence and Susceptibility Weighted Imaging (SWI) in hydrocephalus and to propose a refined definition and classification of hydrocephalus with relevance to the selection of treatment option.Materials and Methods:A prospective study of 109 patients with hydrocephalus was performed with magnetic resonance imaging (MRI) brain using standardized institutional sequences along with additional sequences 3D SPACE and SWI. The images were independently read by two senior neuroradiologists and the etiopathogenesis of hydrocephalus was arrived by consensus.Results:With conventional sequences, 46 out of 109 patients of hydrocephalus were diagnosed as obstructive of which 21 patients showed direct signs of obstruction and 25 showed indirect signs. In the remaining 63 patients of communicating hydrocephalus, cause could not be found out in 41 patients. Whereas with 3D SPACE sequence, 88 patients were diagnosed as obstructive hydrocephalus in which all of them showed direct signs of obstruction and 21 patients were diagnosed as communicating hydrocephalus. By including SWI, we found out hemorrhage causing intraventricular obstruction in three patients and hemorrhage at various sites in 24 other patients. With these findings, we have classified the hydrocephalus into communicating and noncommunicating, with latter divided into intraventricular and extraventricular obstruction, which is very well pertaining to the selection of surgical option.Conclusion:We strongly suggest to include 3D SPACE and SWI sequences in the set of routine MRI sequences, as they are powerful diagnostic tools and offer complementary information regarding the precise evaluation of the etiopathogenesis of hydrocephalus and have an effective impact in selecting the mode of management.

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Section: Discussionsupporting

confidence: 80%

Role of 3D SPACE sequence and susceptibility weighted imaging in the evaluation of hydrocephalus and treatment-oriented refined classification of hydrocephalus

Chellathurai

Subbiah

Ajis

et al. 2018

Indian Journal of Radiology and Imaging

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“…The relationship between CSF-related disorders (especially hydrocephalus) and NF-1 has already been reported [9][10][11][12][13][14][15][16][17][18][19]. In our study, the 3D-SPACE sequence was adequate for imaging of our patients with hydrocephalus or ventriculoperitoneal shunt and their other intracranial findings.…”

Section: Gradesupporting

confidence: 57%

“…Multiple imaging examinations have their own disadvantages, such as lower patient cooperation and comfort, higher specific absorption rate (SAR) level, and increased imaging time/ cost [10]. New achievements in MRI technology allow the entire cranium to be scanned three-dimensionally (3D) in thin sections within 5 min by 3D sampling perfection and application-optimized contrasts using the different flip-angle evolutions (3D-SPACE) technique [11]. The 3D-SPACE technique has the capacity to determine all CNS manifestations of NF-1 patients and give additional information undetectable with routine MRI sequences in clinical settings.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the visual pathways in patients with neurofibromatosis-1 by 3d-space technique at 3-tesla

2019

Turk J Med Sci

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Background/aim: We aimed to evaluate the size/tortuosity of the optic nerve (ON) and the dilatation of the ON sheath (ONS) in neurofibromatosis type 1 (NF-1) patients with 3T-MRI, and to assess the usefulness of 3D-SPACE in imaging the optic pathway, ON, and ONS in NF-1 patients. Materials and methods: Twenty consecutive NF-1 patients without optic pathway glioma (OPG) (Group 1), 16 consecutive NF-1 patients with OPG (Group 2), and 19 controls were included in this study. The thickness and tortuosity of the ON and the diameter of the ONS were measured on STIR and 3D-SPACE images. Results: The thickness of the ON was similar in all groups on STIR images (P>0.05). The mean ONS diameter was higher in Group 2 with this sequence (P=0.009). Controls had significantly lower grades of ON tortuosity than Groups 1 and 2 (P=0.001), and Group 1 had significantly lower ON tortuosity compared to Group 2 (P=0.001). Severe tortuosity was only detected in Group 2. Conclusion: ON tortuosity and ONS diameter were increased in NF-1 patients in the presence of OPG. High-resolution cranium imaging with the 3D-SPACE technique using 3T-MRI seems to be helpful for detection of the optic pathway morphology and pathologies in NF-1 patients.

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“…The 3D T2-SPACE sequence (Siemens Healthcare, Erlangen, Germany) was first introduced by Mugler et al. (11) and offers high spatial resolution due to its multiplanar reconstruction capacity (12). Due to its high motion sensitivity, it has been used successfully to demonstrate the flow dynamics of CSF (13).…”

Section: Discussionmentioning

confidence: 99%

Evaluation of craniocervical pseudomeningoceles with three-dimensional T2-SPACE sequence at 3T

et al. 2020

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Background Pseudomingocele is a postoperative fluid collection adjacent to the dural membrane. The distinction of pseudomeningocele from other postoperative collections is very important. Purpose To show the efficacy of three-dimensional (3D) T2-weighted sampling perfection with application-optimized contrasts using a different flip-angle evolution (SPACE) magnetic resonance imaging (MRI) sequence in the diagnosis of pseudomeningocele in which conventional MRI sequences may be insufficient. Material and Methods A total of 10 patients were included in the study. All of these patients also had 3D T2-SPACE high-resolution volumetric MR image in addition to conventional cervical and cerebral MR sequences. All MR examinations were reviewed by two neuroradiologists. Results Pseudomeningocele neck was shown in six patients by both conventional sequences and SPACE sequence. In two patients, the neck was only shown in the SPACE sequence. Four pseudomeningocele necks were shown to have flow void with both conventional sequences and SPACE sequence. Flow void could only be demonstrated by SPACE sequence in two patients. Conclusion A T2-SPACE sequence can show the presence of pseudomeningocele neck and flow void even in cases where conventional MRI cannot show, thus contributing to the diagnosis of pseudomeningocele. Therefore, especially in postoperative imaging, the T2-SPACE sequence may be included in routine sequences to make the differential diagnosis correctly.

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Evaluation of hydrocephalus patients with 3D-SPACE technique using variant FA mode at 3T

Cited by 10 publications

References 30 publications

Role of 3D SPACE sequence and susceptibility weighted imaging in the evaluation of hydrocephalus and treatment-oriented refined classification of hydrocephalus

Role of 3D SPACE sequence and susceptibility weighted imaging in the evaluation of hydrocephalus and treatment-oriented refined classification of hydrocephalus

Assessment of the visual pathways in patients with neurofibromatosis-1 by 3d-space technique at 3-tesla

Evaluation of craniocervical pseudomeningoceles with three-dimensional T2-SPACE sequence at 3T

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