contralateral mediastinal LN involvement is much more common with left-sided lesions, particularly lesions of LLL.
for this reason mediastinoscopy is critically important when assessing lesions of the LLL.
2012年7月26日 星期四
2012年6月25日 星期一
Proceed further mediastinal staging or not
A CT scan without mediastinal lymph nodes > 1.5 cm in size and a negative PET scan obviate the need for further mediastinal staging.
A PET-positive lymph node mandates the need for mediastinoscopy or needle aspiration of the suspicious node.
A PET-positive lymph node mandates the need for mediastinoscopy or needle aspiration of the suspicious node.
PET for SPN
一個肺部結節, 作PET檢查若為positive, 則其有90%之準確率為惡性腫瘤
但PET negative並不能完全排除癌症,是因為BAC和carcinoid並不 uptake FDG
但PET negative並不能完全排除癌症,是因為BAC和carcinoid並不 uptake FDG
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