樊××,男,13岁,因发育迟缓及贫血作体格检查摄片时发现上纵隔肿块于1990年7月3日入院。患儿自幼体质一般,近2年常感乏力、纳差。入院体检:一般情况好,身材较同龄儿童明显矮小,但智力正常。颈静脉无怒张,体表未扪及明显肿大淋巴结。心肺听诊阴性,腹部无阳性体征。胸片示上纵隔偏右有一个5cm×5cm中等密度肿块影,中 Fan ××, male, 13 years old, was diagnosed with dysplasia and anemia for physical examination and found that the mediastinal mass was admitted on July 3, 1990. The children have a normal physique since childhood, and they often feel fatigue and anorexia in the past 2 years. Admission physical examination: Generally good, body size is significantly shorter than children of the same age, but intelligence is normal. There was no engorgement of the jugular vein, no palpation of the body surface and marked enlargement of the lymph nodes. Cardio-pulmonary auscultation was negative and there were no positive signs in the abdomen. The chest radiograph shows a 5 cm x 5 cm medium-density mass on the right side of the mediastinum.