PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging system including a function of acquiring the amount of chemical substances in a living body.SOLUTION: This MRI system for acquiring the amount of chemical substances in a living body includes: a magnetic field irradiation section for applying a magnetic field to a subject a magnetic resonance signal receiving section for acquiring a magnetic resonance signal from the subject a chemical substance information acquiring section for acquiring chemical substance information from the subject on the basis of the magnetic resonance signal a blood-chemical-substance quantitative determination section for acquiring a chemical substance quantitative determination value in the blood from the subjects blood a storage section that stores a maximum blood concentration arrival time unique to the chemical substance and stores the chemical substance information associated with the chemical substance quantitative determination value in the blood and an arithmetic section for newly calculating a chemical substance estimation value on the basis of the association between the chemical substance information and the blood chemical substance quantitative determination value in the blood that are stored in the storage section when the chemical substance information has been newly acquired.COPYRIGHT: (C)2013,JPO&INPIT【課題】 生体中の化学物質量を取得する機能を有する磁気共鳴イメージングシステムを提供する。【解決手段】 生体中の化学物質量を取得するMRIシステムを、被験体に磁場を印加する磁場照射部と、前記被験体からの磁気共鳴信号を取得する磁気共鳴信号受信部と、前記磁気共鳴信号に基づいて前記被験体から化学物質情報を取得する化学物質情報取得部と、前記被験体の血中から血中化学物質量定量値を取得する化学物質量定量部と、化学物質固有の最高血中濃度到達時間が記憶されており前記化学物質情報と前記血中化学物質量定量値とを対応付けて格納する記憶部と、新たに化学物質情報が取得された時に前記記憶部に格納された前記化学物質情報と前記血中化学物質量定量値との対応付けから新たに化学物質量推定値を演算する演算部とで構成する。【選択図】 図1
