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作者回顾了25例组织学证实为上颌窦癌病人在治疗前的咽后淋巴结转移的CT征象。男18例,女7例,年龄43~85岁,平均62岁。扫描范围从颈中部至颅底,采用平扫和静脉增强连续冠状及横断面扫描,层厚5mm。正常咽后淋巴结大小为3~7mm,一般小于5mm,作者认为在此区域任何淋巴结长径大于8mm属于异常。回流到咽后两侧和正中淋巴结的淋巴管来自邻近上颌窦的5部分结构,即后
The authors reviewed CT findings of 25 histologically confirmed retropharyngeal lymph node metastases in patients with maxillary sinus cancer before treatment. 18 males and 7 females, aged 43 to 85 years old, average 62 years old. Scanning range from the middle of the neck to the skull base, using continuous scanning and venous enhancement of continuous coronal and transverse scan, layer thickness 5mm. Normal pharyngeal lymph node size of 3 ~ 7mm, generally less than 5mm, the authors believe that any lymph node in this region is longer than 8mm in diameter is abnormal. The lymphatic vessels that flow back to the posterior pharynx and to the mid-lymph node come from the 5-part structure adjacent to the maxillary sinus,