Computer-aided detection scheme for identification of hypoattenuation of acute stroke in unenhanced CT

Radiological Physics and Technology - Tập 5 Số 1 - Trang 98-104 - 2012
Noriyuki Takahashi1, Yongbum Lee2, Du-Yih Tsai2, Toshibumi Kinoshita3, Naoki Ouchi1, Kiyoshi Ishii4
1Department of Radiological Technology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, Miyagi, 984-8501, Japan
2Department of Radiological Technology, School of Health Sciences, Niigata University, 2-746 Asahimachi-dori, Chuou-ku, Niigata, Niigata, 951-8518, Japan
3Department of Radiology, Research Institute of Brain and Blood Vessels-Akita, 6-10 Sensyukubota-machi, Akita, Akita, 010-0874, Japan
4Department of Radiology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, Miyagi, 984-8501, Japan

Tóm tắt

Từ khóa


Tài liệu tham khảo

The National Institute of Neurological Disorders and Stroke rt-PA Stroke Study Group: tissue plasminogen activator for acute ischemic stroke. N Engl J Med. 1995;333:1581–7.

Adams H, Adams R, del Zoppo G. Guidelines for the early management of patients with ischemic stroke: 2005 guidelines update a scientific statement from the Stroke Council of the American Heart Association/American Stroke Association. Stroke. 2005;36:916–23.

Adams HP Jr, Adams RJ, Brott T, del Zoppo GJ, Furlan A, Goldstein LB, et al. Guidelines for the early management of patients with ischemic stroke: a scientific statement from the Stroke Council of the American Stroke Association. Stroke. 2003;34:1056–83.

Balbel PA, Demchuk AM, Zhang J, Buchan AM. Validity and reliability of a quantitative computed tomography score in predicting outcome of hyperacute stroke before thrombolytic therapy. Lancet. 2000;355:1670–4.

Schriger DL, Karafut M, Starkman S, Krueger M, Saver JL. Cranial computed tomography interpretation in acute stroke: physician accuracy in determining eligibility for thrombolytic therapy. JAMA. 1998;279:1293–7.

Wardlaw JM, Mielke O. Early signs of brain infarction at CT: observer reliability and outcome after thrombolytic treatment-systematic review. Radiology. 2005;235:444–53.

Takahashi N, Tsai DY, Lee Y, Kinoshita T, Ishii K. Z-score mapping method for extracting hypoattenuation areas of hyperacute stroke in unenhanced CT. Acad Radiol. 2010;17:84–92.

Takahashi N, Tsai DY, Lee Y, Kinoshita T, Ishii K, Tamura H, et al. Usefulness of z-score mapping for quantification of extent of hypoattenuation regions of hyperacute stroke in unhanded CT: analysis of radiologists’ performance. Comput Assist Tomogr. 2010;34:751–6.

Friston KJ, Ashburner J, Frith CD, Poline JB, Heather JD, Frackowiak RSJ. Spatial registration and normalization of images. Hum Brain Mapp. 1995;3:165–89.

Ashburner J, Friston KJ. Nonlinear spatial normalization using basis functions. Hum Brain Mapp. 1999;7:254–66.

Tomura N, Uemura K, Inugami A, Fujita H. Early CT findings in cerebral infarction: obscuration of the lentiform nucleus. Radiology. 1988;168:463–7.

Truwit CL, Barkovich AJ, Gean-Marton, Hibri N, Norman D. Loss of the insular ribbon: another early CT sign of acute middle cerebral artery infarction. Radiology. 1990;176:801–6.

Na DG, Kim EY, Ryoo JW, Lee KH, Roh HG, Kim SS, et al. CT sign of brain swelling without concomitant parenchymal hypoattenuation: comparison with diffusion- and perfusion-weighted MR imaging. Radiology. 2005;235:992–8.