Improving our Understanding of the Management and Pathogenesis of Rare and Neglected Tumors of the Central and Peripheral Nervous System Frontiers Research Topic How Did Gavin Creel Die? What To Know About Rare Type of Sarcoma We are deeply saddened by the loss of Broadway star Gavin Creel. He passed away from Malignant melanotic nerve sheath tumor (MMNST) which is a rare form of Malignant peripheral nerve sheath Interosseous Malignant Melanotic Nerve Sheath Tumor of the Sacrum Treated With an Innovative Reconstruction Technique Cureus