Dose calculation apparatus, dose management system, method for controlling these apparatus and system, and recording medium

A method for controlling a dose calculation apparatus comprising steps of:

• generating a ray-sum image from a plurality of medical images acquired by imaging a subject with an X-ray computed tomography (CT) apparatus;
• specifying physical shape information of at least one of body width and body thickness of the subject using the ray-sum image generated in the generating step;
• acquiring a correction coefficient corresponding to the physical shape information of at least one of the body width and the body thickness specified in the specifying step from a storage unit configured to store a relationship between the physical shape information and the correction coefficient;
• and
• calculating dose in accordance with a physical shape of the subject based on the correction coefficient acquired in the acquiring step and dose information acquired by taking of medical images.

A non-transitory recording medium storing a program including a plurality of instructions that, when executed, cause at least one computer to execute a method, the method comprising:

• generating a ray-sum image from a plurality of medical images acquired by imaging a subject with an X-ray computed tomography (CT) apparatus;
• specifying physical shape information of at least one of a body width and a body thickness of the subject using the generated ray-sum image;
• acquiring a correction coefficient corresponding to the specified physical shape information of at least one of the body width and the body thickness from a storage unit configured to store a relationship between the physical shape information and the correction coefficient;
• and
• calculating dose in accordance with a physical shape of the subject based on the acquired correction coefficient and dose information acquired by taking of medical images.

A dose management system including a dose calculation apparatus and a server apparatus, the dose management system comprising:

• a specifying unit configured to specify physical shape information including at least one of a body width and a body thickness of a subject using a ray-sum image generated from a plurality of medical images acquired by imaging the subject with an X-ray computed tomography (CT) apparatus;
• an acquisition unit configured to acquire a correction coefficient corresponding to the physical shape information specified by the specifying unit from a storage unit configured to store a relationship between the physical shape information and the correction coefficient;
• and
• a calculation unit configured to calculate dose in accordance with a physical shape of the subject based on the correction coefficient acquired by the acquisition unit and dose information acquired by taking of medical images.

A method for controlling a dose management system including a dose calculation apparatus and a server apparatus, comprising steps of:

• generating a ray-sum image from a plurality of medical images acquired by imaging a subject with an X-ray computed tomography (CT) apparatus;
• specifying physical shape information of at least one of body width and body thickness of the subject using the ray-sum image generated in the generating step;
• acquiring a correction coefficient corresponding to the physical shape information specified in the specifying step from a storage unit configured to store a relationship between the physical shape information and the correction coefficient;
• and
• calculating dose in accordance with a physical shape of the subject based on the correction coefficient acquired in the acquiring step and dose information acquired by taking of medical images.

A non-transitory recording medium storing a program including a plurality of instructions that, when executed, cause at least one computer to execute a method, the method comprising:

• generating a ray-sum image from a plurality of medical images acquired by imaging a subject with an X-ray computed tomography (CT) apparatus;
• specifying physical shape information of at least one of body width and body thickness of the subject using the generated ray-sum image;
• acquire a correction coefficient corresponding to the specified physical shape information from a storage unit configured to store a relationship between the physical shape information and the correction coefficient;
• and
• calculate dose in accordance with a physical shape of the subject based on the acquired correction coefficient and dose information acquired by taking of medical images.