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X-ray CT apparatus, medical image processing apparatus and medical image processing method
专利权人:
Kazumasa Arakita
发明人:
Kazumasa Arakita,Yoshihiro Ikeda
申请号:
US12560047
公开号:
US09561011B2
申请日:
2009.09.15
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An X-ray CT apparatus includes a perfusion data acquisition unit, a perfusion parameter calculating unit and a perfusion parameter display unit. The perfusion data acquisition unit generate perfusion data by exposing an X-ray to the object with injecting contrast medium. The perfusion parameter calculating unit calculates perfusion parameters corresponding to ROIs based on time variations in density of the contrast medium for the ROIs. The perfusion parameter display unit divides a period to be a calculation target of the time variations into plural time ranges and sequentially displays images each including the ROIs. The images correspond to the time ranges and mutually different time phases respectively and are masked so as to make only ROIs at which the perfusion parameters show values displayed.
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