Multiple myeloma is plasma cell neoplasm affecting persons over the age 60. Less than 2% of the cases occur below the age 40. In this case report we discuss a young 20-year-old female presenting with 90% plasma cells on bone marrow biopsy and presence of factor X inhibitor.
Keywords: AL amyloidosis; Factor X inhibitor; Multiple myeloma.
Copyright 2018, Mufti et al.