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目的 评价1 8F 脱氧葡萄糖(FDG)符合线路显像(DHTC)诊断头颈部恶性肿瘤的应用价值。方法 头颈部恶性肿瘤患者5 5例,其中鼻咽癌34例(初发12例,放疗后2 2例)、其他头颈部癌术后13例和原因不明的颈部转移瘤8例,进行1 8F FDGDHTC。结果 ①1 8F FDGDHTC诊断原发头颈部恶性病灶的灵敏度、特异性和准确性分别为90 5 % ( 19 2 1例) ,80 8% ( 2 1 2 6例)和85 1% ( 4 0 4 7例) ;诊断转移瘤的灵敏度和特异性分别为93 8% ( 30 32例)和86 7% ( 13 15例)。②8例淋巴结转移瘤患者中,4例颈外见异常单个1 8F FDG浓聚灶,为原发病灶;1例显像阴性;3例见多发性1 8F FDG异常浓聚,未能定位原发病灶。结论 1 8F FDGDHTC诊断原发头颈部恶性病灶和寻找颈部转移瘤的原发灶有较大的临床价值
Objective To evaluate the value of 18F deoxyglucose (FDG) line imaging (DHTC) in the diagnosis of head and neck cancer. Methods Fifty-five patients with head and neck cancer, including 34 cases of nasopharyngeal carcinoma (initial 12 cases, 22 cases after radiotherapy), 13 cases of other head and neck cancer and 8 cases of unknown neck metastases, Perform 1 8F FDGDHTC. Results ① The sensitivity, specificity and accuracy of 18F FDGDHTC in the diagnosis of primary head and neck malignant lesions were 90 5% (19 2 1), 80 8% (2 126) and 85 1% (4 0 4) respectively 7 cases). The sensitivity and specificity of diagnosis of metastatic tumors were 93 8% (30 32 cases) and 86 7% (13 15 cases) respectively. Among the 8 patients with lymph node metastases, 4 cases had abnormal single 18F FDG in the neck, which was the primary lesion. One case had negative imaging and 3 cases had multiple 18F FDG abnormal concentration, which failed to locate the primary Lesions. Conclusion 1 8F FDGDHTC has a great clinical value in the diagnosis of primary head and neck malignant lesions and the primary tumor of neck metastases