患者,女,32岁。鼻尖部小孔生来具有,局部明显隆起20余年,挤之有豆渣样物如粉丝状从小孔排出。因自觉鼻部肿块有碍面容,于2002年8月13日始来院就诊。体检,鼻尖有一针尖大小的瘘管,鼻背部有2.0×2.4cm的肿块,肤色正常,左右略能推动,挤之有豆渣祥物从瘘管口溢出,鼻中隔前上部向两侧鼻腔膨隆,触之无波动感,鼻腔通气良好。头颅MRI所见:鼻根部、鼻中隔前方、左侧额部颅内可见异常信号,并相通。T_1W、 Patient, female, 32 years old. Nasal tip hole is born with local obvious uplift more than 20 years, crowded with bean dregs like vermicelli from the hole discharge. Due to the conspicuous nasal mass hinder face, on August 13, 2002 began to hospital. Physical examination, the nose tip of a fistula of the size of the tip of the nose with 2.0 × 2.4cm mass, normal color, so slightly to promote the squeeze of bean dross mascot overflow from the fistula mouth, nasal septum before the upper nasal bulging to the sides, touching no Fluctuation, good nasal ventilation. Head MRI findings: nasal root, nasal septum, left forehead intracranial abnormal signals can be seen, and interlinked. T_1W,