X-ray CT apparatus and X-ray CT scanning method

Details X-ray CT apparatus and X-ray CT scanning method X-ray CT apparatus and X-ray CT scanning method

2011-03-22

2011-03-22

Glick, Edward J (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S051000

Reexamination Certificate

active

07912175

ABSTRACT:
The present invention is directed to realize an X-ray CT apparatus for properly performing contrast imaging. An X-ray CT apparatus includes an imaging unit and a control unit for controlling the imaging unit. The control unit includes: a first control unit for performing a monitoring scan to monitor arrival of a contrast agent at a region of interest in a start position of a main scan in an imaging range of the main scan that is set along the body axis of the subject or a first monitoring position that is set before the start position in a scan progress direction and, on arrival of the contrast agent, starting the main scan; and a second control unit for monitoring whether or not the contrast agent has reached a region of interest in a second monitoring position provided on the forward side of the start position of the main scan in the imaging range in the scan progress direction on arrival of the main scan at the second monitoring position, when the contrast agent has reached the second monitoring position, continuing the main scan and, when the contrast agent has not reached the second monitoring position yet, performing a monitoring scan for monitoring arrival of the contrast agent.

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