With the medical diagnostic device other than the ultrasonic image and the ultrasonic diagnostic device in order to make the reference image which image pickup is done and to be able to observe contrastively precisely, revising the ultrasonic image on the basis of the distortion distribution which was requested with the displacement distortion arithmetic logical unit 12 which calculates the distortion distribution of the organism region of the scan aspect in a pressure state where it is added by ultrasonic probe 1 and this displacement distortion arithmetic logical unit the distortion which is equal to the ultrasonic image in the reference image on the basis of the distortion distribution which it requested due to especially or the displacement distortion arithmetic logical unit 12 which provides the non pressure picture formation department 5 which forms the revision ultrasonic image of non pressure state,It features that the pressure picture compilation department 40 which forms the revision reference image which is added is provided.超音波像と超音波診断装置以外の医療診断装置で撮像したリファレンス像とのの対比観察を的確に行えるようにするため、超音波探触子1により加えられた圧迫状態におけるスキャン面の生体部位の歪み分布を求める変位・歪み演算部12と、この変位・歪み演算部により求めた歪み分布に基づいて超音波像を補正して非圧迫状態の補正超音波像を生成する非圧迫画像生成部5を設けること、あるいは変位・歪み演算部12により求めた歪み分布に基づいて、リファレンス像に超音波像と同等の歪みを付加した補正リファレンス像を生成する圧迫画像作成部40を設けたことを特徴とする。
