Patent Document ID: 9111027
Application ID: 13657240
Patent Status: 1

Claim One:
1. A similar case search apparatus comprising: a keyword extracting unit configured to extract a keyword from an image interpretation report that is document data including a diagnosis item and a diagnosis result, the diagnosis item being a diagnosis target in interpretation of a medical image, and the diagnosis result showing a state of the diagnosis item; a diagnosis tree analyzing unit configured to extract, based on the keyword, one or more target diagnosis flows corresponding to the image interpretation report, by referring to a diagnosis tree storage unit storing one or more diagnosis trees each of which includes a plurality of diagnosis flows each including a diagnosis item and a state of the diagnosis item which are used to determine a disease name; a similar diagnosis flow extracting unit configured to extract one or more similar diagnosis flows similar to the one or more target diagnosis flows from among the plurality of diagnosis flows included in the diagnosis trees stored in the diagnosis tree storage unit, based on a degree of difficulty regarding a diagnosis item or a degree of difficulty regarding a disease name, the degree of difficulty regarding a diagnosis item being a degree of difficulty in determining a state of a diagnosis item, and the degree of difficulty regarding a disease name being a degree of difficulty in determining a disease name; and a similar case search unit configured to search out one or more case data sets corresponding to the one or more similar diagnosis flows from among a plurality of case data sets stored in a case data storage unit, wherein the degree of difficulty regarding a diagnosis item increases with an increase in a total number of states branching from a diagnosis item in the diagnosis trees.