患者男,58岁,3个月前出现左侧鼻阻,来我院就诊。体检:外鼻无畸形,左侧鼻腔、中鼻道可见红色肿物,表面欠光滑,有伪膜覆盖,未见明显脓涕积聚,双下鼻甲肥大,取活检时出血较多。CT检查:双侧蝶窦、筛窦及左侧鼻腔内见不规则肿物,边界不规则,呈侵袭性生长,蝶窦、筛窦及颅底骨质破 Male patient, 58 years old, appeared left nasal resistance 3 months ago, to our hospital. Physical examination: no external nasal deformity, the left nasal cavity, visible red mass in the middle nasal passages, the surface is not smooth, with pseudomembranous cover, no clear accumulation of purulent nasal, double turbinate hypertrophy, biopsy bleeding more. CT examination: bilateral sphenoid sinus, ethmoid and left nasal cavity see irregular tumor, the irregular boundary, was invasive growth, sphenoid sinus, ethmoid sinus and skull base bone broken