患者,女,47岁,农民。因“渐进性鼻塞并鼻臭半年”入院。有时伴黄脓涕,量不多,伴嗅觉减退,无涕中带血,无发热、头痛、面部麻木及视力下降,无其他不适。体检:外鼻无畸形,双鼻腔中后端可见大量褐黄色干酪样物积聚,表面可见大量的黄白色脓性分泌物,触之易脆,易出血,不痛,右中鼻道前 Patient, female, 47 years old, farmer. Due to “gradual nasal congestion and nose odor for six years” admission. Sometimes with yellow purulent nasal discharge, small amount, with loss of smell, no tears in the blood, no fever, headache, facial numbness and vision loss, no other discomfort. Physical examination: no external nasal deformity, a large number of brown cheese appearing in the back of double nasal cavity can be seen, a large amount of yellowish-white purulent secretions can be seen on the surface, which is easy to touch, easy to bleed,