Psammomatous melanotic schwannoma a rare neck lump The Annals of The Royal College of Surgeons of England Intracranial Melanotic Schwannomas: Rare and Distinctive Tumors to Know Due to their Risk of Recurrence and Metastases Journal of the Belgian Society of Radiology View of Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations Free Neuropathology File:Psammomatous melanotic schwannoma very high mag.jpg Wikimedia Commons Non psammomatous melanocytic schwannoma presenting as a subcutaneous nodule: A rare presentation of a rare lesion