Journal
LASERS IN SURGERY AND MEDICINE
Volume 35, Issue 5, Pages 354-362Publisher
WILEY-LISS
DOI: 10.1002/lsm.20100
Keywords
optoacoustics; 3-D imaging; microvasculature; vascular anatomy; epigastric flap; skin; plastic surgery
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Background and Objectives: The ability to correctly visualize the architectural arrangement of microvasculature is valuable to many diverse fields in medicine. In this study, we applied photoacoustics (PA) to obtain high-resolution images of submillimeter blood vessels. Study Design/Materials and Methods: Short laser pulses are used to generate ultrasound from superficial blood vessels in several animal models. From these ultrasound waves the interior of blood vessels can be reconstructed. Results: We present results from a novel approach based on the PA principle that allows specific in vivo visualization of dermal blood vessels without the use of contrast agents or ionizing radiation. Conclusions: We show PA images of externalized blood vessels and demonstrate in vivo PA imaging of vasculature through layers of skin varying in thickness.
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