LESION DETERMINATION DEVICE, SIMILAR MEDICAL CASE SEARCH DEVICE, LESION DETERMINATION METHOD, SIMILAR MEDICAL CASE SEARCH METHOD, AND PROGRAM

摘要

Provided is a lesion determination device comprising: an image number acquisition unit (104) that, when a directional change (a first state in which a second operating instruction is received directly after a first operating instruction is received or a second state in which the first operating instruction is received directly after the second operating instruction is received) occurs, acquires a unidirectional viewing number that is the number of tomographic images viewed consecutively using consecutive first operating instructions including the first operating instruction that is included in the first state or the number of tomographic images viewed consecutively using consecutive second operating instructions including the second operating instruction that is included in the second state and records the resu and a localization determination unit (106) that determines whether a target site is a localized lesion or a diffuse lesion on the basis of a change in the unidirectional viewing number.