Objective:To evaluate diagnostic values of CT fluoroscopy (CTF) guided fine needle aspiration biopsy (FNAB) combining with toluidine blue O(T.B.O)quick staining bedside in the pectoral interrogative illness.

• O快速染色对胸部疑难疾病的诊断价值。 方法 :回顾分析胸部疑难疾病 4 8例 ；所有病例均运用CT透视引导细针抽吸 ；常规进行床边T .