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  • Title: Photoacoustic imaging of the bladder: a pilot study.
    Author: Kamaya A, Vaithilingam S, Chung BI, Oralkan O, Khuri-Yakub BT.
    Journal: J Ultrasound Med; 2013 Jul; 32(7):1245-50. PubMed ID: 23804347.
    Abstract:
    Photoacoustic imaging is a promising new technology that combines tissue optical characteristics with ultrasound transmission and can potentially visualize tumor depth in bladder cancer. We imaged simulated tumors in 5 fresh porcine bladders with conventional pulse-echo sonography and photoacoustic imaging. Isoechoic biomaterials of different optical qualities were used. In all 5 of the bladder specimens, photoacoustic imaging showed injected biomaterials, containing varying degrees of pigment, better than control pulse-echo sonography. Photoacoustic imaging may be complementary to diagnostic information obtained by cystoscopy and urine cytologic analysis and could potentially obviate the need for biopsy in some tumors before definitive treatment.
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