我们共搜集典型及不典型多发性骨髓瘤（ｍｕｌｔｉｐｌｅｍｙｅｌｏｍａ；ＭＭ）４０例，均经病理或细胞学证实，现将临床及Ｘ线表现小结如下：１Ｘ线资料４０例ＭＭ中男２８例，女１２例。年龄２３～７１岁，平均年龄５３９岁。Ｘ线表现，大致分为４型：①骨骼正常８例... We collected a total of 40 cases of typical and atypical multiple myeloma (MM). All of them were confirmed by pathology or cytology. The clinical and X-ray findings are summarized as follows: 1 X-ray data 40 cases of MM in 28 males and 12 females example. Age 23 to 71 years old, average age 53 to 9 years old. X-ray performance, roughly divided into 4 types: 1 normal bone in 8 cases...