磁共振短时反转恢复技术在肺癌诊断中的价值

The value of STIR pulse sequence MR imaging in patients with pulmonary carcinoma

目的 探讨磁共振短时反转恢复 (STIR)技术在肺癌诊断中的价值。方法 对 10 8例经病理证实的肺癌患者行STIR序列成像 ,并与SE序列比较。结果 在病灶检出率、显示病灶边缘征象、肿瘤邻近结构侵犯以及发现肿大淋巴结等方面 ,STIR序列明显优于SE序列。结论 STIR序列对病变的显示具有更高的敏感性 ,特别对发现远处淋巴结转移和肿瘤对胸膜的侵犯有其独到之处。

Objective To evaluate the value of short TI inversion recovery (STIR) MR imaging technique in diagnosing pulmonary carcinoma.Methods One hundred and eight patients with pathologically confirmed pulmonary carcinoma were examined by STIR pulse sequence and the results were compared with these by SE pulse sequence. Results STIR MR imaging was superior to conventional SE pulse sequences in significantly increasing the detection rate of lesions, improving images along the edge of the lesion, tumor invasion to adjacent structures, and demonstrating lymph node enlargement.Conclusion STIR, with its sensitivity, is particalarly useful to reveal metastatic lymph nodes and invasion to the pleura and chest wall.