【例１】男性，４５岁。因多饮、多尿、周身疼痛６年，近期加重，疑诊多发性骨髓瘤入院。６年前因右肩部轻度外伤致右锁骨骨折，曾反复３次发生泌尿系结石，下肢渐呈“Ｏ”形畸形。曾在外院诊断风湿性关节炎、肾结石、腰椎管狭窄症，做过腰２、３椎板切除术、肠梗阻手术。... [Example 1] Male, 45 years old. Due to polydipsia, polyuria, and general body pain for 6 years, he was recently admitted to hospital for multiple myeloma. 6 years ago due to a mild trauma of the right shoulder caused a fracture of the right clavicle, 3 cases of urinary calculi were repeated, and the lower limb gradually showed an “O” shape deformity. He had diagnosed rheumatoid arthritis, kidney stones, and lumbar spinal stenosis in the outer hospital. He had undergone lumbar 2, 3 laminectomy and intestinal obstruction surgery. ...