髓外浆细胞瘤(EMP)和孤立性骨浆细胞瘤(SOP)是罕见的肿瘤,两者的预后均较浆细胞瘤病(MM)为好,治疗的目标是痊愈.三音的诊断依据为:SOP:X线表现为孤立性骨病变,组织学为浆细胞肿瘤,在任选的胸骨和/或髂脊骨髓标本中没有浆细胞百分率增多.EMP:骨髓外单个浆细胞瘤伴正常骨髓和除邻近原发灶的骨侵蚀或损伤外的正常骨骼 Extramedullary plasmacytoma (EMP) and solitary bone plasmacytoma (SOP) are rare tumors. The prognosis of both is better than plasmacytoma (MM). The goal of treatment is recovery. The diagnosis of three-tone is based on It is: SOP: X-ray showed solitary bone lesion, histology was plasma cell tumor, and there was no increase of plasma cell percentage in optional sternal and/or ridge bone marrow specimens. EMP: extramedullary single plasmacytoma with normal bone marrow And normal bones other than bone erosion or injury adjacent to the primary lesion