The article presents the study done through public health partnership addressing the causes of underreporting of melanoma in Arizona and strategies for increasing reporting. The partnership is made up of three primary registry personnel from the Arizona Cancer Registry (ACR), dermatologists and dermatopathologists from Phoenix and Tucson, Arizona, a dermatologist from the University of Arizona and an epidemiologist representing the University of Arizona Zuckerman College of Public Health and the Skin Cancer Institute.