Fig. 3From: Comparison of the safety and effectiveness of the four-hook needle and hook wire for the preoperative positioning of localization ground glass nodulesA 65-year-old female with a GGN in the right lower lobe who underwent CT-guided localization with a hook wire needle. (a) The lesion (black arrow) is observed on an axial CT image. (b) A hook wire needle (black arrow) is inserted around the lesion; postlocalization CT shows the relationship among the needle (black arrow), lesion (white arrow) and chest wall. (c) The end of the four-hook needle (white hollow arrow) is visualized during VATS.Back to article page