患者，男，５８岁，以右侧渐进性鼻阻３月收入院。３月前不明原因出现右鼻腔通气不畅，３ｄ前左鼻偶尔流少量鲜血。无发热、头痛、流涕、耳鸣耳聋、牙齿疼痛麻木、溢泪及视力下降。查体示一般情况良好，全身浅表性淋巴结无肿大，心肺腹部无异常。右鼻背隆起，右鼻腔充满桑... The patient, male, 58 years old, admitted to the hospital on the right side with progressive nasal resistance in March. Unexplained reasons occurred 3 months before the right nasal cavity was poorly ventilated, and 3 days before the left nose occasionally flowed a small amount of blood. No fever, headache, runny nose, tinnitus, deafness, numbness of teeth, tears, and decreased vision. Physical examination revealed that the general condition was good, no superficial superficial lymph nodes were enlarged, and there was no abnormality in the heart and lung abdomen. Right nose and back bulge, right nasal cavity full of mulberry