关节疼痛虽相似预后截然不相同——１例急性白血病误诊为类风湿性关节炎男性，７岁，入院前１年半无诱因出现右肩关节疼痛，继之波及到右肘、左腕及左踝关节，伴有关节红肿；高热，体温３９℃上下，外院诊断为“儿童类风湿性关节炎”，给阿司匹林、泼尼松治疗。服用泼尼松... Although the joint pain is similar to the prognosis is completely different - 1 case of acute leukemia misdiagnosed as rheumatoid arthritis male, 7 years old, 1 year and a half before admission to the right shoulder pain without cause, followed by the right elbow, left wrist and left fistula Joints, associated with redness of the joints; fever, body temperature up and down at 39 °C, diagnosed as “children with rheumatoid arthritis” in the outer hospital, to aspirin, prednisone treatment. Taking prednisone...