PROBLEM TO BE SOLVED: To provide an ultrasonograph capable of determining a correction range and displaying stress eccentric location information and elasticity information in the correction range in a manner easy-to-view.SOLUTION: The ultrasonograph according to the present invention includes: a probe that transmits and receives ultrasonic waves with respect to an object a displacement measurement unit that measures displacement of the object on the basis of a reflection echo signal measured by the probe an elasticity information calculation unit that calculates elasticity information on the basis of the displacement a correction coefficient calculation unit that calculates a correction coefficient for correcting eccentric location of stress in the object a correction processing unit that determines a correction range on the basis of a displacement rate of the displacement and corrects the elasticity information within the correction range by the correction coefficient and an image display unit that displays the correction range along with the corrected elasticity information.COPYRIGHT: (C)2014,JPO&INPIT【課題】補正範囲を決定し、補正範囲における応力偏在情報と弾性情報とを視覚的に見易く表示することができる超音波診断装置を提供する。【解決手段】本発明の超音波診断装置は、対象物に超音波を送受信する探触子と、前記探触子で計測された反射エコー信号に基づいて前記対象物の変位を計測する変位計測部と、前記変位に基づいて弾性情報を算出する弾性情報演算部と、前記対象物における応力の偏在を補正する補正係数を算出する補正係数算出部と、前記変位の変位割合に基づいて補正範囲を決定し、前記補正係数により前記補正範囲の前記弾性情報を補正する補正処理部と、前記補正範囲を該補正した前記弾性情報とともに表示する画像表示部とを備える。【選択図】 図1