对Langerhans细胞组织细胞增生症误诊为胸骨肿瘤1例分析如下。1病历摘要男,15岁。因胸骨下段皮肤局部稍膨隆伴疼痛4个月入院。疼痛为持续性,病灶局部无明显红、肿、热等症状,亦不伴体温升高、咳嗽等其他系统症状。查体:T 36.8℃,发育正常,全身浅表淋巴结(包括双侧腋窝)未及明显 A case of misdiagnosis of Langerhans cell histiocytosis as a sternal tumor is as follows. 1 medical record summary male, 15 years old. Due to the lower part of the skin of the sternum slightly bulging with pain 4 months admission. Pain was persistent, no obvious local lesions red, swollen, hot and other symptoms, nor with increased body temperature, cough and other symptoms. Physical examination: T 36.8 ℃, normal development, systemic superficial lymph nodes (including bilateral armpit) did not significantly