cases, skin Week 137: Case 3 April 26, 2023 pathadmin 1. Presented by Ralph Hruban, M.D. and prepared by Lynette S. Nichols, M.D.This patient presented with multiple small nodules on the lips.SchwannomaPlexiform neurofibromaMucosal neuromaMalignant peripheral nerve sheath tumor 1. Presented by Ralph Hruban, M.D. and prepared by Lynette S. Nichols, M.D.This patient presented with multiple small nodules on the lips.