Loading metrics Open Access Peer-reviewed Research Article Ryan Van Laar , Mitchel Lincoln, Sian Fereday Ryan Van Laar, Mitchel Lincoln, Sian Fereday Published: February 5, 2019 https://doi.org/10.1371/journal.pone.0211504 Figures Abstract Background Histopathologic examination of melanocytic neoplasms can be challenging and subjective, with no specific circulating or tissue-based biomarkers currently available. Recently, a circulating 38-microRNA profile of melanoma (Mel38) was described.