Extramedullary manifestations of multiple Myeloma and solitary Plasmacytomas in the head and neck region

Introduction Solitary plasmacytoma or extramedullary manifestation of multiple myeloma is a rare differential diagnosis in the head and neck region. Treatment requires an interdisciplinary approach. This article provides an overview of manifestations in the head and neck region based on a case series of 12 patients and a literature review.