X-ray CT apparatus

An X-ray CT apparatus comprising:

• a gantry having an opening provided to be interposed between an X-ray tube and an X-ray detector;
• a couch including driving circuitry configured to insert a couchtop on which a subject is placed, into the opening;
• storage circuitry configured to store therein pieces of information that are related to a plurality of puncture positions of the couchtop and that correspond to pieces of unique information of a plurality of practitioners who each apply a manipulation to the subject, each of the pieces of unique information comprising at least one of a piece of information indicating a physique of each of the plurality of practitioners, a piece of information indicating a dominant arm of each of the plurality of practitioners, and a piece of information indicating which side of the couch each of the plurality of practitioners is positioned;
• and
• processing circuitry configured, when a first practitioner is to apply the manipulation, to control the driving circuitry so as to move the couchtop to a puncture position indicated by a piece of information related to a puncture position corresponding to a piece of unique information pertaining to the first practitioner, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.