What are the Different Types of Malignant Melanoma? Routine nail clipping leads to the diagnosis of amelanotic nail unit melanoma in a young construction worker Boni 2015 Journal of Cutaneous Pathology Wiley Online Library Nonmelanoma Skin Cancer and Cutaneous Melanoma of the Hand and the Upper Extremity Springer Nature Link Diseases mimicking onychomycosis Clinics in Dermatology Condition pictured: Vitiligo Race: African American and Panamanian Notes: Vitiligo is a condition caused by the loss of melanocytes, or the skin cells that produce melanin. Although it affects people Herpetic Whitlow Condition, Treatments and Pictures for Adults Skinsight