Enhancing rim with central low attenuation is a reliable sign for diagnosing cervical lymph node metastases, in patients with known primary cancer.

如有原发肿瘤病史，淋巴结边缘强化伴中心坏死是诊断颈部淋巴结转移最可靠的征象。

youdao

Metastatic rate of lymph node in neck central area was the highest (46.8%), but micrometastasis of lymph node couldn't be found with CT leading to false negative in 5 cases with PTC.

颈中央区淋巴结转移率最高(46.8%)，并且小的转移淋巴结ct不能发现而出现5例假阴性。

youdao

Metastatic rate of lymph node in neck central area was the highest (46.8%), but micrometastasis of lymph node couldn't be found with CT leading to false negative in 5 cases with PTC.

颈中央区淋巴结转移率最高(46.8%)，并且小的转移淋巴结ct不能发现而出现5例假阴性。

youdao