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RT Journal Article
SR Electronic
T1 Triple-Technique (MR Imaging, Single-Photon Emission CT, and CT) Coregistration for Image-Guided Surgical Evaluation of Patients with Intractable Epilepsy
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1054
OP 1058
VO 20
IS 6
A1 Hogan, R. Edward
A1 Lowe, Val J.
A1 Bucholz, Richard D.
YR 1999
UL http://www.ajnr.org/content/20/6/1054.abstract
AB Summary: Ictal and interictal single-photon emission CT (SPECT) play an increasingly important role in the surgical evaluation of patients with epilepsy. We present a method of coregistration of MR, SPECT, and CT images to correlate structural data (MR imaging), blood flow changes (SPECT), and location of subdural electrodes (CT) for patients undergoing image-guided surgical treatment of epilepsy. MR-SPECT root mean square (rms) mismatch distances were 2.1 to 2.5 mm, and MR-CT rms mismatch distances were 1.0 to 4.5 mm. Coregistration assisted in image-guided placement of subdural electrodes and in surgical resection of the suspected epileptogenic focus.