TY - JOUR
T1 - Mean transit time image -A new method of analyzing brain perfusion studies
AU - Szabó, Zsolt
AU - Ritzl, Friedrich
PY - 1983/5/1
Y1 - 1983/5/1
N2 - Point-by-point calculation of the mean transit time based on gamma fit was used to analyze brain perfusion studies in a vertex view. The algorithm and preliminary results in normal brain and in different stages of cerebral perfusion abnormality (ischemia, stroke, migraine, tumor, abscess) are demonstrated. In contrast to the traditional methods using fixed, a priori defined regions of interest this type of mapping of the relative regional cerebral perfusion shows more clearly the irregular outlines of the disturbance. Right to left activity ratios in the arterial part of the time-activity curves showed significant correlation with the mean transit time ratios (Qt=1.185-0.192 Qan=38, r=0.716, P< 0.001).
AB - Point-by-point calculation of the mean transit time based on gamma fit was used to analyze brain perfusion studies in a vertex view. The algorithm and preliminary results in normal brain and in different stages of cerebral perfusion abnormality (ischemia, stroke, migraine, tumor, abscess) are demonstrated. In contrast to the traditional methods using fixed, a priori defined regions of interest this type of mapping of the relative regional cerebral perfusion shows more clearly the irregular outlines of the disturbance. Right to left activity ratios in the arterial part of the time-activity curves showed significant correlation with the mean transit time ratios (Qt=1.185-0.192 Qan=38, r=0.716, P< 0.001).
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U2 - 10.1007/BF00253766
DO - 10.1007/BF00253766
M3 - Article
C2 - 6307700
AN - SCOPUS:0020680443
VL - 8
SP - 201
EP - 205
JO - European Journal of Nuclear Medicine and Molecular Imaging
JF - European Journal of Nuclear Medicine and Molecular Imaging
SN - 1619-7070
IS - 5
ER -