Metastatic Multifocal Malignant Peripheral Nerve Sheath Tumour in the Cervicothoracic Spinal Cord of a Dog Initially Mimicking Meningomyelitis Malignant peripheral nerve sheath tumor Wikipedia Peripheral nerve tumor Wikipedia Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations Malignant Peripheral Nerve Sheath Tumor (MPNST) Rare malignant melanotic nerve sheath tumors of the upper limb nerves: utility of high frequency ultrasonography in preoperative imaging Skeletal Radiology Springer Nature Link