Fig. 1
From: The safety and response of CT guided percutaneous cryoablation for lung nodules by 17-gauge needles
Complete response of nodule treated by CA procedure. A patient who was operated for renal cell carcinoma (RCC) and was confirmed with RCC metstasis at right lower lung (RLL) by opeartion. The patient developed a new 0.6 cm nodule at RLL.(a, marked by white arrow). The 17-Gauge cryoablation needle was punctured through the nodule, and the needle tip was placed at 2 cm distal to the nodule (b). CT image at axial and coronal planes obtained immediately at the end of the cryoabltion (CA) session showed complete coverage of the nodule by the ground glass opacity (c, marked by white arrow). Serial coronal CT images of the nodule at following time points: before cryoablation, 3 months post cryoablation and 3 years and 4 months after cryoablation (d and f), respectively. CT imge at f showed fine linear fibrosis which indicates complete response of the treated tumor