Alexander Witkowski, M.D., Ph.D., speaks with OHSU patient advocate Robin Zimmerman after the melanoma event. (OHSU/Christine Torres Hicks)

OHSU patient Christy Staats, right, speaks with an event attendee. (OHSU/Christine Torres Hicks)

Attendees watch the OHSU team receive certification for detecting the world’s smallest skin cancer. (OHSU/Christine Torres Hicks)

Attendees watch the OHSU team receive certification for detecting the world’s smallest skin cancer. (OHSU/Christine Torres Hicks)

Guinness World Records judge Andrew Glass presents Alexander Witkowski, M.D., Ph.D., an award for detecting the world’s smallest skin cancer. (OHSU/Christine Torres Hicks)

Guinness World Records judge Andrew Glass presents Joanna Ludzik, M.D., Ph.D., an award for detecting the world’s smallest skin cancer. (OHSU/Christine Torres Hicks)

Joanna Ludzik, M.D., Ph.D., and Alexander Witkowski, M.D., Ph.D., receive official certification from Guinness World Records judge Andrew Glass as OHSU patient Christy Staats looks on. (OHSU/Christine Torres Hicks)

Joanna Ludzik, M.D., Ph.D., demonstrates the Reflectance Confocal Microscopy device, an imaging tool that helps clinicians monitor and diagnose skin lesions without needing to cut into the skin. This tool was used to help diagnose the world’s smallest skin cancer. (OHSU/Christine Torres Hicks)

Guinness World Records recognizes a team of OHSU dermatologists for the world’s smallest skin cancer detected. (OHSU/Christine Torres Hicks)

Joanna Ludzik, M.D., Ph.D., describes the Reflectance Confocal Microscopy technology to event attendees as Alexander Witkowski, M.D., Ph.D., looks on. (OHSU/Christine Torres Hicks)