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10.3174/ajnr.A3372 http://scihub22266oqcxt.onion/10.3174/ajnr.A3372 C3928241!3928241 !23275591     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\23275591 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       AJNR+Am+J+Neuroradiol 2013 ; 34 (6 ): 1157-63 Nephropedia Template TP {{tp|p=23275591 |t=2013. Recovery of white matter tracts in regions of peritumoral FLAIR hyperintensity with use of restriction spectrum imaging |pdf=|usr=}}{{23275591 }} gab.com Text Recovery of white matter tracts in regions of peritumoral FLAIR hyperintensity with use of restriction spectrum imaging JO: AJNR Am J Neuroradiol http://www.kidney.de/pget.php?&tw=1&pmid=23275591 #FOAvip BACKGROUND AND PURPOSE: DTI is being increasingly used to visualize critical white matter tracts adjacent to brain tumors before neurosurgical resection. However, brain tumors, particularly high-grade gliomas, are typically surrounded by regions of FLAIR hyperintensity that include edema, which increase isotropic diffusion, degrading the ability of standard DTI to uncover orientation estimates within these regions. We introduce a new technique, RSI, which overcomes this limitation by removing the spherical, fast diffusion component introduced by edema, providing better analysis of white matter architecture. MATERIALS AND METHODS: A total of 10 patients with high-grade gliomas surrounded by FLAIR-HI that at least partially resolved on follow-up imaging were included. All patients underwent RSI and DTI at baseline (FLAIR-HI present) and at follow-up (FLAIR-HI partially resolved). FA values obtained with RSI and DTI were compared within regions of FLAIR-HI and NAWM at both time points. RESULTS: RSI showed higher FA in regions of FLAIR-HI and NAWM relative to DTI, reflecting the ability of RSI to specifically measure the slow, restricted volume fraction in regions of edema and NAWM. Furthermore, a method by time interaction revealed that FA estimates increased when the FLAIR-HI resolved by use of standard DTI but remained stable with RSI. Tractography performed within the region of FLAIR-HI revealed the superior ability of RSI to track fibers through severe edema relative to standard DTI. CONCLUSIONS: RSI improves the quantification and visualization of white matter tracts in regions of peritumoral FLAIR-HI associated with edema relative to standard DTI and may provide a valuable tool for neurosurgical planning. Twit Text FOAVip Recovery of white matter tracts in regions of peritumoral FLAIR hyperintensity with use of restriction spectrum imaging ????AJNR Am J Neuroradiol http://www.kidney.de/pget.php?&tw=1&pmid=23275591 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=23275591 #FOAvip English Wikipedia <ref>{{Cite pmid|23275591 }}</ref> Recovery of white matter tracts in regions of peritumoral FLAIR hyperintensity with use of restriction spectrum imaging #MMPMID23275591 McDonald CR ; White NS ; Farid N ; Lai G ; Kuperman JM ; Bartsch H ; Hagler DJ ; Kesari S ; Carter BS ; Chen CC ; Dale AM AJNR Am J Neuroradiol 2013[Jun]; 34 (6 ): 1157-63 PMID23275591 show ga BACKGROUND AND PURPOSE: DTI is being increasingly used to visualize critical white matter tracts adjacent to brain tumors before neurosurgical resection. However, brain tumors, particularly high-grade gliomas, are typically surrounded by regions of FLAIR hyperintensity that include edema, which increase isotropic diffusion, degrading the ability of standard DTI to uncover orientation estimates within these regions. We introduce a new technique, RSI, which overcomes this limitation by removing the spherical, fast diffusion component introduced by edema, providing better analysis of white matter architecture. MATERIALS AND METHODS: A total of 10 patients with high-grade gliomas surrounded by FLAIR-HI that at least partially resolved on follow-up imaging were included. All patients underwent RSI and DTI at baseline (FLAIR-HI present) and at follow-up (FLAIR-HI partially resolved). FA values obtained with RSI and DTI were compared within regions of FLAIR-HI and NAWM at both time points. RESULTS: RSI showed higher FA in regions of FLAIR-HI and NAWM relative to DTI, reflecting the ability of RSI to specifically measure the slow, restricted volume fraction in regions of edema and NAWM. Furthermore, a method by time interaction revealed that FA estimates increased when the FLAIR-HI resolved by use of standard DTI but remained stable with RSI. Tractography performed within the region of FLAIR-HI revealed the superior ability of RSI to track fibers through severe edema relative to standard DTI. CONCLUSIONS: RSI improves the quantification and visualization of white matter tracts in regions of peritumoral FLAIR-HI associated with edema relative to standard DTI and may provide a valuable tool for neurosurgical planning. |Adult [MESH] |Aged [MESH] |Astrocytoma/pathology/surgery [MESH] |Brain Edema/*pathology/surgery [MESH] |Brain Neoplasms/*pathology/surgery [MESH] |Diffusion Tensor Imaging/*methods [MESH] |Female [MESH] |Follow-Up Studies [MESH] |Glioblastoma/pathology/surgery [MESH] |Glioma/*pathology/surgery [MESH] |Humans [MESH] |Longitudinal Studies [MESH] |Male [MESH] |Middle Aged [MESH] |Nerve Fibers, Myelinated/*pathology [MESH]Recovery of white matter tracts in regions of peritumoral FLAIR hyperi(epmc).pdf DeepDyve Pubget Overpricing