例1,男,29岁。因进行性鼻塞2年诊断为慢性鼻炎,半月前因阵发性头痛、视物双影来本院就诊。流涕不多,无脓血涕和外伤史。全身系统检查和实验室检查未见异常,右眼球向前外上突出,运动良好,鼻中隔向双侧呈球形隆起,增厚约4cm,压迫鼻甲,表面粘膜光滑,色浅红,质硬,不出血,颈淋巴结不大。X线片示鼻腔内软组织阴影阻塞,中隔及右侧鼻腔外侧壁骨质破坏,右上颌窦和筛窦密度增高,颅底片见右侧颅前凹大片状不规则骨质破坏。切开鼻中隔表面粘膜,自肿物深处取出大块组织送病理,报告为高分化软骨肉瘤。全麻下行有鼻侧切开,发现瘤体占据整个鼻中隔,向右侵 Example 1, male, 29 years old. Due to progressive nasal congestion 2 years diagnosis of chronic rhinitis, half a month ago due to paroxysmal headache, visual double vision to the hospital. There are few rogues, no history of blood stasis and trauma. Systematic examination and laboratory examination showed no abnormalities. The right eyeball protruded forward and outward with good movement. The nasal septum was spherically uplifted to both sides. It was thickened by about 4cm. The turbinate was oppressed, the surface mucosa was smooth, the color was red, and the quality was not. Bleeding, small cervical lymph nodes. The X-ray showed that the obstruction of the soft tissue shadow in the nasal cavity, the destruction of the lateral wall of the septum and the right nasal cavity, the density of the right maxillary sinus and the ethmoid sinus increased, and the skull plate showed the destruction of the large irregular bone in the frontal cranial fossa. The mucosa of the nasal septum was dissected, and the large tissue was removed from the depths of the tumor to deliver the pathology. This was reported as a highly differentiated chondrosarcoma. Under general anesthesia, a nasal incision was made. It was found that the tumor occupies the entire nasal septum and invades the right.