, subarachnoid hemorrhage: historical overview, current treatment, and pathophysiology, World Neurosurgery, vol.73, issue.6, pp.654-667

R. I. Aviv, . Christopher-d-d'esterre, D. Blake, J. J. Murphy, B. Hopyan et al., Hemorrhagic transformation of ischemic stroke: prediction with CT perfusion, Radiology, vol.250, issue.3, pp.867-877, 2009.

D. J. Brenner, E. Eric, and . Hall, Computed tomography-an increasing source of radiation exposure, The New England Journal of Medicine, vol.357, pp.2277-2284, 2007.

F. Caire, P. Derost, J. Coste, . Bonny, . Durif et al., Subthalamic deep brain stimulation for severe idiopathic Parkinson's disease. Location study of the effective contacts, Neuro-Chirurgie, vol.52, issue.1, pp.15-25, 2006.

C. A. Coursey, C. Rendon, D. T. Nelson, E. K. Boll, L. M. Paulson et al., Dual-energy multidetector CT: how does it work, what can it tell us, and when can we use it in abdominopelvic imaging?, vol.30, pp.1037-1055, 2010.

J. Dankbaar, . Willem, B. K. Nicolien-k-de-rooij, C. Velthuis, . Frijns et al., Diagnosing delayed cerebral ischemia with different CT modalities in patients with subarachnoid hemorrhage with clinical deterioration, Stroke; a Journal of Cerebral Circulation, vol.40, issue.11, pp.3493-3498, 2009.

P. Dawson, Functional imaging in CT, European Journal of Radiology, vol.60, 2006.

B. Ding, H. W. Ling, K. M. Chen, H. Jiang, . Et-yan-bo et al., Comparison of cerebral blood volume and permeability in preoperative grading of intracranial glioma using CT perfusion imaging, Neuroradiology, vol.48, issue.10, pp.773-781, 2006.

F. Duffner, H. Schiffbauer, . Breit, . Friese, and . Freudenstein, Relevance of image fusion for target point determination in functional neurosurgery, Acta Neurochirurgica, vol.144, pp.445-451, 2002.

P. Ferroli, A. Franzini, C. Marras, E. Maccagnano, G. Ludovico-d'incerti et al., A simple method to assess accuracy of deep brain stimulation electrode placement: pre-operative stereotactic CT + postoperative MR image fusion, Stereotactic and Functional Neurosurgery, vol.82, pp.14-19, 2004.

K. T. Flicek, A. K. Hara, A. C. Silva, Q. Wu, M. B. Peter et al., Reducing the radiation dose for CT colonography using adaptive statistical iterative reconstruction: A pilot study, AJR. American Journal of Roentgenology, vol.195, issue.1, pp.126-131, 2010.

A. D. Furtado, B. Lau, W. Vittinghoff, W. Dillon, . Smith et al., Optimal brain perfusion CT coverage in patients with acute middle cerebral artery stroke, AJNR. American Journal of Neuroradiology, vol.31, pp.691-695, 2010.

, Advanced Neuroimaging with Computed Tomography Scanning 229

C. A. Gleason, H. Kaula, R. Hricak, . Schmidt, and . Tanagho, The effect of magnetic resonance imagers on implanted neurostimulators, Pacing and Clinical Electrophysiology: PACE, vol.15, issue.1, pp.81-94, 1992.

S. Grand, . Lefournier, . Krainik, . Bessou, . Tropres et al., MR and CT perfusion imaging of the brain: principles and clinical applications, Journal De Radiologie, vol.88, issue.3, pp.444-471, 2007.
URL : https://hal.archives-ouvertes.fr/inserm-00382735

R. Gupta, C. M. Phan, C. Leidecker, J. Thomas, J. A. Brady et al., Evaluation of Dual-Energy CT for Differentiating Intracerebral Hemorrhage from Iodinated Contrast Material Staining, Radiology, issue.2, 2010.

A. Hagiwara, Volume Helical Shuttle-A technical description. GE internal scientific publication, 2008.

A. K. Hara, A. C. Robert-g-paden, J. L. Silva, . Kujak, J. Holly et al., Iterative reconstruction technique for reducing body radiation dose at CT: feasibility study, AJR. American Journal of Roentgenology, vol.193, pp.764-771, 2009.

S. Hemm, J. Coste, J. Gabrillargues, L. Ouchchane, L. Sarry et al., Contact position analysis of deep brain stimulation electrodes on post-operative CT images, Acta Neurochirurgica, vol.151, issue.7, pp.823-829, 2009.
URL : https://hal.archives-ouvertes.fr/hal-01549856

E. G. Hoeffner, I. Case, R. Jain, K. Sachin, . Gujar et al., Cerebral perfusion CT: technique and clinical applications, Radiology, vol.231, pp.632-644, 2004.

P. Hui, J. Li, C. Zhou, S. Yu, G. Lo et al., Material decomposition with spectral imaging on HDCT: Phantom experiments.ECR 2010 C2990, 2010.

R. Jain, S. Ellika, L. Scarpace, J. Schultz, . Rock et al., Quantitative estimation of permeability surface-area product in astroglial brain tumors using perfusion CT and correlation with histopathologic grade, AJNR. American Journal of Neuroradiology, vol.29, 2008.

T. R. Johnson, B. Krauss, M. Sedlmair, M. Grasruck, H. Bruder et al., Material differentiation by dual energy CT: initial experience, European Radiology, vol.17, issue.6, pp.1510-1517, 2007.
DOI : 10.1007/s00330-006-0517-6

D. A. Langan, . Law, S. Meng, H. Yang, J. S. Wang et al., Glioma grading: sensitivity, specificity, and predictive values of perfusion MR imaging and proton MR spectroscopic imaging compared with conventional MR imaging, Gemstone Spectral Imaging. GE internal scientific publication, vol.24, pp.1989-1998, 2003.

J. Leipsic, M. Troy, B. Labounty, . Heilbron, G. James-k-min et al., Adaptive statistical www.intechopen.com Theory and Applications of CT Imaging and Analysis 230 iterative reconstruction: assessment of image noise and image quality in coronary CT angiography, AJR. American Journal of Roentgenology, vol.195, pp.649-654, 2010.

J. Lemaire, J. Coste, and L. Ouchchane, François Caire, et al. 2007.a. Brain mapping in stereotactic surgery: a brief overview from the probabilistic targeting to the patient-based anatomic mapping, NeuroImage, vol.37, pp.109-115

J. Lemaire, J. Coste, L. Ouchchane, S. Hemm, P. Derost et al., Franck Durif, et Jean Chazal. 2007.b. MRI anatomical mapping and direct stereotactic targeting in the subthalamic region: functional and anatomical correspondence in Parkinson's disease, International Journal of Computer Assisted Radiology and Surgery, vol.2, issue.2, pp.75-85

R. Ma, C. Liu, K. Deng, . Shao-juan, D. Song et al., Cerebral artery evaluation of dual energy CT angiography with dual source CT, Chinese Medical Journal, vol.123, issue.9, pp.1139-1144, 2010.

C. H. Mccollough, N. Andrew, N. Primak, J. Braun, L. Kofler et al., Strategies for reducing radiation dose in CT, Radiologic Clinics of North America, vol.47, issue.1, pp.27-40, 2009.

M. Mejdoubi, . Calviere, and . Dumas, Value of CT perfusion for the diagnosis of early middle cerebral artery stroke, Journal De Radiologie, vol.91, issue.5, pp.555-560, 2010.

M. Pham, A. Johnson, C. Bartsch, . Lindner, . Müllges et al., CT perfusion predicts secondary cerebral infarction after aneurysmal subarachnoid hemorrhage, Neurology, vol.69, issue.8, pp.762-765, 2007.
DOI : 10.1212/01.wnl.0000267641.08958.1b

S. Pinto, J. Bas, L. Castana, P. Krack, P. Pollak et al., Comparison of two techniques to postoperatively localize the electrode contacts used for subthalamic nucleus stimulation, Neurosurgery, vol.60, pp.285-292, 2007.
URL : https://hal.archives-ouvertes.fr/inserm-00382773

P. Prakash, K. Mannudeep, . Kalra, R. Subba, J. Digumarthy et al., Radiation dose reduction with chest computed tomography using adaptive statistical iterative reconstruction technique: initial experience, Journal of Computer Assisted Tomography, vol.34, issue.1, pp.40-45, 2010.
DOI : 10.1097/rct.0b013e3181b26c67

R. A. Rutherford, . B-r-pullan, and . Isherwood, Measurement of effective atomic number and electron density using an EMI scanner, Neuroradiology, vol.11, pp.15-21, 1976.
DOI : 10.1007/bf00327253

Y. Sagara, A. K. Hara, W. Pavlicek, A. C. Silva, . Robert-g-paden et al., Abdominal CT: comparison of low-dose CT with adaptive statistical iterative reconstruction and routine-dose CT with filtered back projection in 53 patients, AJR. American Journal of Roentgenology, vol.195, pp.713-719, 2010.

M. Saliege, A. Boyer-grand, J. J. Lemaire, J. Chopineau, V. Sautou et al., Agarose gels : model of artificial brain in neurosurgery, Therapeutic drug monitoring (TDM), ESCP10LYON-1860. Société Française de Pharmacie Clinique-European Symposium of Clinical Pharmacy (SFPC-ESCP), pp.22-23, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01899202

. Van-der-schaaf, C. Irene, K. Birgitta, . Velthuis, J. Marieke et al., Multislice computed tomography angiography screening for new aneurysms in patients with previously clip-treated intracranial aneurysms: Feasibility, positive predictive value, and interobserver agreement, Journal of Neurosurgery, vol.105, issue.5, pp.682-688, 2006.

P. W. Schaefer, C. Roccatagliata, . Ledezma, L. Hoh, . Schwamm et al., First-pass quantitative CT perfusion identifies thresholds for salvageable penumbra in acute stroke patients treated with intraarterial therapy, AJNR. American Journal of Neuroradiology, vol.27, issue.1, pp.20-25, 2006.

B. W. Scheithauer, G. N. Fuller, . Scott, and . Vandenberg, The 2007 WHO classification of tumors of the nervous system: controversies in surgical neuropathology, Brain Pathology, vol.18, pp.307-316, 2008.

P. Schramm, D. Peter, E. Schellinger, K. Klotz, . Kallenberg et al., Comparison of perfusion computed tomography and computed tomography angiography source images with perfusion-weighted imaging and diffusion-weighted imaging in patients with acute stroke of less than 6 hours' duration. Stroke; a, Journal of Cerebral Circulation, vol.35, issue.7, pp.1652-1658, 2004.

P. Schramm, A. Xyda, E. Klotz, V. Tronnier, M. Knauth et al., Dynamic CT perfusion imaging of intra-axial brain tumours: differentiation of high-grade gliomas from primary CNS lymphomas, European Radiology, 2010.

B. A. Schueler, B. Todd, J. Parrish, B. E. Lin, B. J. Hammer et al., MRI compatibility and visibility assessment of implantable medical devices, Journal of Magnetic Resonance Imaging, vol.9, issue.4, pp.596-603, 1999.
DOI : 10.1002/(sici)1522-2586(199904)9:4<596::aid-jmri14>3.3.co;2-k

A. C. Silva, J. Holly, A. Lawder, J. Hara, W. Kujak et al., Innovations in CT dose reduction strategy: application of the adaptive statistical iterative reconstruction algorithm, AJR. American Journal of Roentgenology, vol.194, issue.1, pp.191-199, 2010.

S. Perry, Interaction of Radiation with Matter. In The Physical Principles of Medical Imaging. 2 éd. Sprawls Educational Foundation

R. J. Uitti, Y. Tsuboi, A. Robert, J. D. Pooley, M. F. Putzke et al., Magnetic resonance imaging and deep brain stimulation, Neurosurgery, vol.51, pp.1428-1431, 2002.

N. Vayssiere, N. Van-der, L. Gaag, S. Cif, and . Hemm, Deep brain stimulation for dystonia confirming a somatotopic organization in the globus pallidus internus, Journal of Neurosurgery, vol.101, issue.2, pp.181-188, 2004.

Y. Watanabe, K. Uotani, T. Nakazawa, M. Higashi, N. Yamada et al., Tetsuya Fukuda, Toshihide Itoh, et Hiroaki www.intechopen.com Theory and Applications of CT Imaging and Analysis

. Naito, Dual-energy direct bone removal CT angiography for evaluation of intracranial aneurysm or stenosis: comparison with conventional digital subtraction angiography, European Radiology, vol.19, pp.1019-1024, 2009.

M. Wintermark, . Chiolero, J. Van-melle, . Revelly, . Porchet et al., Cerebral vascular autoregulation assessed by perfusion-CT in severe head trauma patients, Journal De Neuroradiologie, vol.33, issue.1, pp.27-37, 2006.
DOI : 10.1016/s0150-9861(06)77225-x

M. Wintermark, N. Ko, W. Smith, R. Liu, W. Higashida et al., Vasospasm after subarachnoid hemorrhage: utility of perfusion CT and CT angiography on diagnosis and management, AJNR. American Journal of Neuroradiology, vol.27, issue.1, pp.26-34, 2006.

M. Wintermark, P. William, . Dillon, S. Wade, . Smith et al., Visual grading system for vasospasm based on perfusion CT imaging: comparisons with conventional angiography and quantitative perfusion CT, Cerebrovascular Diseases, vol.26, 2008.
DOI : 10.1159/000139664

M. Wintermark, A. E. Flanders, B. Velthuis, R. Meuli, D. Maarten-van-leeuwen et al., Perfusion-CT assessment of infarct core and penumbra: receiver operating characteristic curve analysis in 130 patients suspected of acute hemispheric stroke, Stroke; a Journal of Cerebral Circulation, vol.37, pp.979-985, 2006.

M. Wintermark, M. Reichhart, J. Thiran, P. Maeder, M. Chalaron et al., Prognostic accuracy of cerebral blood flow measurement by perfusion computed tomography, at the time of emergency room admission, in acute stroke patients, Annals of Neurology, vol.51, pp.417-432, 2002.

. Zaro-weber, W. Olivier, W. Moeller-hartmann, and . Heiss, The performance of MRI-based cerebral blood flow measurements in acute and subacute stroke compared with 15O-water positron emission tomography: identification of penumbral flow, Stroke; a Journal of Cerebral Circulation, vol.40, issue.7, pp.2413-2421, 2009.

, www.intechopen.com Theory and Applications of CT Imaging and Analysis Edited by Prof. Noriyasu Homma ISBN

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, This book discloses recent advances and new ideas in theories and applications for CT imaging and its analysis. The 16 chapters selected in this book cover not only the major topics of CT imaging and analysis in medical fields, but also some advanced applications for forensic and industrial purposes. These chapters propose state-of-the-art approaches and cutting-edge research results. How to reference In order to correctly reference this scholarly work, The x-ray computed tomography (CT) is well known as a useful imaging method and thus CT images have continuingly been used for many applications, especially in medical fields

B. Claise, J. Gabrillargues, E. Chabert, L. Sakka, T. Khalil et al., Advanced Neuroimaging with Computed Tomography Scanning, Theory and Applications of CT Imaging and Analysis, Prof. Noriyasu Homma, 2011.