title: A painful pigmented nodule in a patient with metastatic melanoma.
authors.affiliation: School of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
authors.forename: Emily
authors.initials: E
authors.lastname: Merkel
authors.affiliation: Department of Medicine (Dermatology), Vanderbilt University, Nashville, TN, USA.
authors.forename: Jennifer G
authors.initials: JG
authors.lastname: Powers
authors.affiliation: Department of Medicine (Dermatology), Vanderbilt University, Nashville, TN, USA.|Department of Pathology, Vanderbilt University, Nashville, TN, USA.
authors.forename: Alan S
authors.initials: AS
authors.lastname: Boyd
keywords: cutaneous neoplasm; malignant melanoma; melanocytic lesions; scar