Acral Lentiginous Melanoma
80 y/o male patient from a developing country in Asia with a 2 yr history of pigmented lesions on his thumb. Diagnosis: Acral Lentiginous Melanoma (ALM). The patient presented at Stage 4 with liver metastases. See discussion in the previous image. Images and comment courtesy of: Josette McMichael, MD, Adj Asst. Professor, Emory University, Atlanta, GA, USA. Used with permission.