患者男性,56岁,因左鼻阻流脓涕,鼻衄嗅觉减低4月余,加重1月余,于1984年4月23日首次入院。检查见左鼻背稍隆起,局部皮肤颜色正常,双鼻腔均有血性分泌物,伴恶臭味;左鼻腔可见肿物前达鼻阈处,后端超出左后鼻孔,表面附有黑灰色苔状物。X线片显示左鼻腔、左上颌窦及筛窦密 The patient was a 56-year-old man with a purulent nasal obstruction in his left nose. His nose smelled more than four months later and he was aggravated for more than one month. He was admitted to the hospital on April 23, 1984. Examination showed a slight bulging of the left nose, local skin color was normal, bloody secretions were found in both nasal cavities, with odor; the nasal cavity was seen before the nasal cavity in the left nasal cavity, and the rear end extended beyond the left posterior nostril with black gray moss on the surface. Things. X-rays showing left nasal cavity, left maxillary sinus, and ethmoid sinus