多发性骨髓瘤是浆细胞系统的一种增生性疾患。常见的临床表现有:①骨痛、骨质破坏、病理性骨折。②贫血、出血:贫血属骨髓痨性贫血,呈正细胞正色素性;出血原因是血小板减少和高丙球蛋白与凝血因子相结合后, Multiple myeloma is a proliferative disorder of the plasma cell system. Common clinical manifestations are: ① bone pain, bone destruction, pathological fractures. ② anemia, hemorrhage: anemia is a bone marrow anemia, was positive cell pigment; hemorrhage due to thrombocytopenia and high-globulin and coagulation factors combined,