Subject(s)

Melanoma/pathology , Melanoma/therapy , Nevus, Epithelioid and Spindle Cell/pathology , Sentinel Lymph Node Biopsy , Skin Neoplasms/pathology , Skin Neoplasms/therapy , Biopsy, Needle , Child, Preschool , Female , Humans , Immunohistochemistry , Interferons/administration & dosage , Lower Extremity , Melanoma/diagnosis , Mohs Surgery , Monitoring, Physiologic/methods , Neoplasm Invasiveness/pathology , Neoplasm Staging , Nevus, Epithelioid and Spindle Cell/diagnosis , Nevus, Epithelioid and Spindle Cell/therapy , Photography , Prognosis , Risk Assessment , Skin Neoplasms/diagnosis