病例女,26岁。1年前发现左鼻腔内有一白色硬性物,缓慢生长,鼻涕中时带少量血丝,无鼻塞。于1983年11月15日就诊。否认遗传病史。查体:发育良好。左鼻底距前鼻孔1.5cm处有一白色物,约0.8cm×0.6cm×0.4cm,骨性硬度,无移动性,无触痛。上端稍尖,向中隔方向偏斜,其周边覆有少量血 Case female, 26 years old. A year ago found that there is a white hard left nasal cavity, slow growth, when the nose with a small amount of bloodshot eyes, no stuffy nose. On November 15, 1983 visit. Denied the history of genetic disease. Physical examination: well-developed. Left nose from the front of the nose 1.5cm at a white matter, about 0.8cm × 0.6cm × 0.4cm, bone hardness, no mobility, no tenderness. Upper tip slightly pointed, oblique direction to the septum, the periphery covered with a small amount of blood