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多发性骨髓瘤（MM）是一种少见的骨髓浆细胞异常增生引起的恶性肿瘤，其临床表现多不典型。本组20例出现典型X线骨骼破坏7例，12例误诊，现就其12例误诊原因作一分析。亚临床资料1．！性别与年龄男性7例，女性5例，男女之比为＊．4。互，年龄19岁～75岁，平均年龄62．4岁，其中
Multiple myeloma (MM) is a rare malignant tumor caused by abnormal proliferation of bone marrow plasma cells, and its clinical manifestations are atypical. The group of 20 cases of typical X-ray skeletal failure in 7 cases, 12 cases of misdiagnosis, is now on its 12 cases of misdiagnosis for an analysis. Subclinical data 1. ! There were 7 males and 5 females in age and sex. The ratio of men to women was *. 4. Mutual, age 19 years old to 75 years old, average age 62.4 years, of which