In vivo melanoma depth detection by a handheld photoacoustic microscope

Yong Zhou, Wenxin Xing, Konstantin I. Maslov, Lynn A. Cornelius, Lihong V. Wang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


We developed a handheld photoacoustic microscope (PAM) to detect melanoma and determine tumor depth in nude mice in vivo. Compared to our previous PAM system for melanoma imaging, a new light delivery mechanism is introduced to improve light penetration. We show that melanomas with 4.1 mm and 3.3 mm thicknesses can be successfully detected in phantom and in vivo experiments, respectively. With its deep melanoma imaging ability and novel handheld design, this system is promising for clinical melanoma diagnosis, prognosis, and surgical planning for patients at the bedside.

Original languageEnglish
Title of host publicationPhotons Plus Ultrasound
Subtitle of host publicationImaging and Sensing 2015
EditorsAlexander A. Oraevsky, Lihong V. Wang
ISBN (Electronic)9781628414134
StatePublished - 2015
EventPhotons Plus Ultrasound: Imaging and Sensing 2015 - San Francisco, United States
Duration: Feb 8 2015Feb 10 2015

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
ISSN (Print)1605-7422


ConferencePhotons Plus Ultrasound: Imaging and Sensing 2015
Country/TerritoryUnited States
CitySan Francisco


  • Depth
  • Handheld
  • Melanoma
  • Photoacoustic microscope


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