The medical image-processing apparatus of an embodiment is characterized in comprising: an image-acquiring unit that acquires a three-dimensional medical image a vascular region-extracting unit that extracts a vascular region on the basis of the three-dimensional medical image acquired by the image-acquiring unit a vascular morphology image-generating unit that generates an image of the vascular morphology of the vascular region extracted by the vascular region-extracting unit a perfusion-analyzing unit that analyzes perfusion values that represent the status of blood flow in the tissue surrounding the vascular region by analyzing perfusion using the medical images acquired by the image-acquiring unit a perfusion image-generating unit that generates an image representing the perfusion values obtained by the perfusion-analyzing unit an image-synthesizing unit that generates a synthesized vascular morphology and perfusion image in which an image of the vascular morphology at a site of vasospasm generated by the vascular morphology image-generating unit and an image representing the perfusion values generated by the perfusion image-generating unit have been synthesized and a display unit that displays the synthesized vascular morphology and perfusion image synthesized in the image-synthesizing unit.Conformément à un mode de réalisation, linvention porte sur un appareil de traitement dimage médicale carctérisé en ce quil comprend : une unité dacquisition dimage qui acquiert une image médicale tridimensionnelle une unité dextraction de région vasculaire qui extrait une région vasculaire sur la base de limage médicale tridimensionnelle acquise par lunité dacquisition dimage une unité de génération dimage de morphologie vasculaire qui génère une image de la morphologie vasculaire de la région vasculaire extraite par lunité dextraction de région vasculaire une unité danalyse de perfusion qui analyse les valeurs des perfusions qui représentent létat du débit sanguin dans