位于肺叶间的神经纤维瘤比较罕见,现报告一例。患者,男,42岁。因胸闷,咳嗽,咳白色泡沫痰,劳累后气短1年,于1990年2月15日入院。查体:表浅淋巴结不大,气管居中。左下胸语颤稍增强,叩诊左下肺浊音,呼吸音消失。心尖搏动于剑突下,心界右移。胸部X线片:在第三前肋上缘以下均匀一致高密度影,肋隔角显示清晰。CT片:左侧胸腔靠近心脏一巨大、边界清楚、密度均匀一致块影9.5×15cm,CT值31 Hu,心脏向右推移,左主支气管向上,向右推移。诊断:胸内肿瘤。于2月21日开胸手术。术中见肿瘤位于左上、下叶之间,基底和肺根粘连紧密,与胸壁只有少许膜样粘连,与肋间神经和脊神经根 Neurofibromas located between the lobes are rare and are now reported. Patient, male, 42 years old. Because of chest tightness, coughing, coughing white foam, shortness of breath after exertion for 1 year, admitted to hospital on February 15, 1990. Physical examination: Superficial lymph nodes are small and the trachea is centered. There was a slight increase in left lower voice trembling, and dullness of the left lower lung sounded. The breath sounds disappeared. The apex pulsates below the xiphoid and the heart moves right. Chest X-ray film: Uniform high-density shadows below the upper edge of the third front rib, and the rib septum is clearly visible. CT slice: The left chest is close to the heart with a large, well-defined border and a uniform density of 9.5×15 cm. The CT value is 31 Hu. The heart moves right, and the left main bronchus goes up and goes right. Diagnosis: Thoracic tumors. Her chest surgery was performed on February 21. During surgery, the tumor was located between the upper left and lower lobes, and the base and lung roots adhered tightly. There was only a few membrane-like adhesions with the chest wall, with intercostal nerves and spinal nerve roots.