Preoperative Simulation of Thoracoscopic Segmentectomy

Abstract

When performing thoracoscopic pulmonary segmentectomy, we sometimes encounter a nonpalpable malignant tumor located near the intersegmental plane that we had planned to divide. In such a situation it can be difficult to ensure a sufficient surgical margin. To overcome this problem, we now perform preoperative simulation using the Ziostation2 (Ziosoft, Tokyo, Japan) to calculate the surgical margin. This yields margins of at least 20 mm; the discrepancy between the virtual and actual surgical margins is always less than 5 mm.