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气管良性透明细胞瘤含大量糖原故又名“糖瘤”,组织学易与肾透明细胞瘤相混淆。电镜下特点为糖原充满粘膜囊。 患者48岁、女,无吸烟史。1975年3月发现严重咳血而住院,气管镜检查于右肺中叶开口处见有突起的可疑病变经活检最初报告为癌。即行右肺下叶切除术,术后咳血消失。 1977年1月中旬,病人活动即感气短,干咳,胸部沉重。当年2月初咳鲜红色血块而急诊入院。有中度呼吸困难,伴咳血,呼吸25次/分。胸前可闻及响亮的“咯”音,呼吸音被掩盖。无哮呜音。胸片正常。
The benign clear cell tumor of the trachea contains a large amount of glycogen and is also known as a “sugar tumour.” Histology is easily confused with renal clear cell tumors. Electron microscope features glycogen-filled mucosal cysts. The patient was 48 years old and female and had no history of smoking. Severe hemoptysis was found in hospital in March 1975, and bronchoscopy was performed to detect suspicious lesions protruding from the right middle lobe of the right lung. Biopsy was initially reported as cancer. The right lower lobe resection was performed and hemoptysis disappeared after operation. In mid-January 1977, the patient’s activities were short-lived, dry cough, and heavy chest. At the beginning of February of that year, he coughed up a red blood clot and was admitted to the hospital in an emergency. There is moderate dyspnea, hemoptysis, and breathing 25 breaths per minute. You can hear loud and loud “buzzing” sounds on the chest, breathing sounds are covered. No croaking tone. Chest radiographs are normal.