多形性腺瘤多发生于大唾液腺和口内小液唾腺组织,而发生于鼻腔,且恶变者罕见。作者于1987年遇一例,报告如下。 患者,女,52岁。因左鼻阻,鼻出血伴头痛9个月于1987年9月18日入院。入院检查:一般情况好。全身浅表淋巴结不大。左鼻背饱满。左鼻腔见一板粟样大,表面光滑,色黑红、质软、无活动之肿物。X线副鼻窦片示:左鼻上颌处有一软组织阴影、副鼻窦未见异常。术前肿物活检示鼻腔鳞状细胞癌Ⅰ级。同月26日在局麻下行左鼻侧切开术,术中见肿物约3×4×6cm大小,无包膜,有溃烂。肿 The pleomorphic adenomas usually occur in the salivary glands and small salivary glands, but occur in the nasal cavity and are rare in malignant transformation. The author encountered one case in 1987 and the report is as follows. The patient, female, is 52 years old. Due to left nasal resistance, nose bleeding with headache for 9 months was admitted on September 18, 1987. Admission check: Generally good. Whole body superficial lymph nodes are not large. Left nose full. In the left nasal cavity, a large plate with a smooth, dark red, soft, and no active mass was seen. The X-ray paranasal sinuses showed a soft tissue shadow at the left maxilla and no abnormalities in the paranasal sinuses. Preoperative biopsy showed nasal squamous cell carcinoma grade I. On the same month in the same month, the left nasal incision was performed under local anesthesia. The size of the tumor was about 3×4×6 cm, no capsule, and ulceration. swollen