嗜铬细胞瘤的发病率近年虽有增多,异位嗜铬细胞瘤也已屡见,但异位至纵隔者甚少,我院收治一例,术前未能确诊,为吸取教训,现报告如下: 患者,男,26岁。 于1969年头痛眩晕发现高血压,血压100～150/90～110之间,诊为原发性高血压,未作其他检查和治疗。1978年5月透视发现胸部阴影,无任何症状,为进一步确诊于1978年5月16日入我院。 体检除血压为150/100外余无阳性所见,血、尿 Although the incidence of pheochromocytoma has increased in recent years, ectopic pheochromocytoma has also been seen frequently, but the ectopic to the mediastinum is very rare, a case admitted to our hospital, was not diagnosed before surgery, in order to learn lessons, the report is as follows : Patient, male, 26 years old. In 1969, headache, dizziness, and high blood pressure were detected. Blood pressure was between 100 and 150/90 and 110. Primary hypertension was diagnosed without any other examination and treatment. In May 1978, a chest shadow was found through the eyes and no symptoms were observed. The diagnosis was further confirmed on May 16, 1978 in our hospital. Physical examination except for blood pressure is 150/100 no positive findings, blood, urine