Frontiers Case report: A rare case of massive peripheral nerve melanotic schwannoma and review of the literature Fungating malignant peripheral nerve sheath tumor arising from a slow growing mass in the forearm: a case report and review of the literature Journal of Medical Case Reports Springer Nature Link 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 Huge epithelioid malignant peripheral nerve sheath tumor in the left axilla : r MedicalGore Malignant peripheral nerve sheath tumor Wikipedia