Malignant Melanotic Nerve Sheath Tumor of the Neck: A Case Report Applied Radiation Oncology Rare malignant melanotic nerve sheath tumors of the upper limb nerves: utility of high frequency ultrasonography in preoperative imaging Skeletal Radiology Springer Nature Link Epithelioid malignant peripheral nerve sheath tumor Applied Radiology Metastatic melanoma presenting as a malignant peripheral nerve sheath tumour MedCrave online Peripheral nerve tumor Wikipedia Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations