Malignant Melanotic Nerve Sheath Tumor American Journal of Neuroradiology A para aortic malignant melanotic nerve sheath tumor mimicking a gastrointestinal stromal tumor: a rare case report and review of literature BMC Surgery Springer Nature Link Melanotic Schwannomas Are Rarely Seen Pigmented Tumors with Unpredictable Prognosis and Challenging Diagnosis Keskin 2017 Case Reports in Pathology Wiley Online Library Cytological features of cranial and paraspinal nerve Tumours Mittenzwei 2024 Cytopathology Wiley Online Library Melanoma Explained Melanoma, the most serious type of skin cancer, develops in the cells (melanocytes) that produce melanin the pigment that gives your skin its color. Melanoma can also form in your eyes