Fig. 6From: Targeted imaging of orthotopic prostate cancer by using clinical transformable photoacoustic molecular probeIntegrin αvβ3 targeted PAI of orthotopic PCa. a In vivo integrin αvβ3 PAI images merged with US images. b Ex vivo PAI images of prostate harvested at 12 h. Yellow circle: tumor area. White circle: the whole prostate including tumor and normal tissue. c PAI signal enhancement after injection with dye. d PAI signal varied from depths at 12 hBack to article page