Rare malignant melanotic nerve sheath tumors of the upper limb nerves: utility of high frequency ultrasonography in preoperative imaging Skeletal Radiology Springer Nature Link Superficial Clear Cell Sarcoma (Melanoma of Soft Parts) of the Large toe in an 80 Year Old Female With a Rare Cytogenetic Translocation Cureus Gavin Creel: Broadway Icon Dies After Battle with Rare Sarcoma at 48 OncoDaily Frontiers Case Report: Anlotinib combined with radiotherapy achieves sustained disease control in advanced malignant melanotic nerve sheath tumor