Pigmented malignant peripheral nerve sheath tumor of the nail unit arising in a patient with neurofibromatosis type I JAAD Case Reports Interosseous Malignant Melanotic Nerve Sheath Tumor of the Sacrum Treated With an Innovative Reconstruction Technique Cureus PERIPHERAL NERVE TUMORS Dr Prem Pillay Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations 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 Malignant Melanotic Nerve Sheath Tumor of the Neck: A Case Report Applied Radiation Oncology