JP7477906B2 - 認知症診断支援情報の提供装置及びその方法 - Google Patents
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Description
ここで、本発明の前記した目的、特徴及び長所は、添付図面に関連する以下の詳細な説明によってより明らかになるであろう。ただし、本発明は、様々な変更を加えることができ、様々な実施例を有することができるが、以下では特定の実施例を図面に例示し、これを詳細に説明する。
図8は、本発明の好ましい実施例によるステップ(S340)から出力される認知症診断支援情報の一例を示す図である。
Claims (11)
- プロセッサ及び所定のコマンドを記憶するメモリを含む認知症診断支援情報の提供装置で行われる認知症診断支援情報の提供方法であって、
(a)診断対象者の脳画像の脳領域を予め定義された複数個に分割した領域(分割領域)のそれぞれに対して、標準取り込み値比(SUVR)を計算するステップと、
(b)前記各分割領域の標準取り込み値比を、各分割領域毎に予め定義された標準区間にマッピングして、標準値を求めるステップと、
(c)各分割領域の標準値を、各分割領域に対する対照群の平均標準値に対する統計情報と一緒に出力するステップと、を含み、
前記ステップ(c)は、
各分割領域に対して、対照群の平均標準値から予め定義された値ほど大きく、予め定義された値ほど小さい一対の値と前記標準値を一緒にグラフで出力し、
前記標準値が、前記対照群の一対の値の間に位置する分割領域の割合又は前記標準値が、前記対照群の一対の値を外れる分割領域の割合を一緒に表示することを特徴とする認知症診断支援情報の提供方法。 - 前記ステップ(c)は、
各分割領域に対して、対照群の平均標準値から標準偏差ほど差のある一対の値と前記標準値を一緒に出力することを特徴とする請求項1に記載の認知症診断支援情報の提供方法。 - 前記対照群は、アルツハイマー患者群、軽度認知障害群、健常人老化群及び健常人群のうちの少なくとも一つを含むことを特徴とする請求項1に記載の認知症診断支援情報の提供方法。
- 前記ステップ(c)は、
前記標準値が、前記対照群の一対の値の間に位置する分割領域の割合が予め定義された閾値以上の場合には、前記診断対象者が該当対照群に属すると推定し、推定結果を一緒に出力することを特徴とする請求項1に記載の認知症診断支援情報の提供方法。 - 前記ステップ(c)は、
前記分割領域に対して、前記標準値を連結したグラフと対照群の平均標準値を連結したグラフとの一致度を一緒に出力することを特徴とする請求項1に記載の認知症診断支援情報の提供方法。 - 非一時的記憶媒体に記憶され、プロセッサを含むコンピュータで実行され、請求項1~5のいずれか1項に記載の認知症診断支援情報の提供方法を実行するコンピュータプログラム。
- 認知症診断支援情報の提供装置であって、
プロセッサと、
所定のコマンドを記憶するメモリと
を含み、
前記メモリに記憶されたコマンドを実行した前記プロセッサは、
(a)診断対象者の脳画像の脳領域を予め定義された複数個に分割した領域(分割領域)のそれぞれに対して、標準取り込み値比(SUVR)を計算するステップと、
(b)前記各分割領域の標準取り込み値比を各分割領域毎に予め定義された標準区間にマッピングして、標準値を求めるステップと、
(c)各分割領域の標準値を、各分割領域に対する対照群の平均標準値に対する統計情報と一緒に出力するステップと、を行い、
前記ステップ(c)は、
各分割領域に対して、対照群の平均標準値から予め定義された値ほど大きく、予め定義された値ほど小さい一対の値と前記標準値を一緒にグラフで出力し、
前記標準値が、前記対照群の一対の値の間に位置する分割領域の割合又は前記標準値が、前記対照群の一対の値を外れる分割領域の割合を一緒に表示することを特徴とする認知症診断支援情報の提供装置。 - 前記ステップ(c)は、
各分割領域に対して、対照群の平均標準値から標準偏差ほど差のある一対の値と前記標準値を一緒に出力することを特徴とする請求項7に記載の認知症診断支援情報の提供装置。 - 前記対照群は、アルツハイマー患者群、軽度認知障害群、健常人老化群及び健常人群のうちの少なくとも一つを含むことを特徴とする請求項7に記載の認知症診断支援情報の提供装置。
- 前記ステップ(c)は、
前記標準値が、前記対照群の一対の値の間に位置する分割領域の割合が予め定義された閾値以上の場合には、前記診断対象者が該当対照群に属すると推定し、推定結果を一緒に出力することを特徴とする請求項7に記載の認知症診断支援情報の提供装置。 - 前記ステップ(c)は、
前記分割領域に対して、前記標準値を連結したグラフと対照群の平均標準値を連結したグラフとの一致度を一緒に出力することを特徴とする請求項7に記載の認知症診断支援情報の提供装置。
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