Minimally invasive transthoracic resection of a segment eight liver tumor

Abstract

Despite advances in technology and technique of minimally invasive liver surgery, resection of lesions in the posterosuperior segments such as segment 8 (S8) remains challenging. Compared to open surgery, there are specific differences that make minimally invasive access to S8 challenging. These include the caudal view along the axis of the hepatoduodenal ligament, increased distance between trocars and the operative field, and the liver fulcrum created by the anterolateral segments limiting the view. However, several advancements have helped to overcome these challenges, such as the use of intercostal trocars (combined lateral-abdominal approach) and a flexible tip camera. Consequently, a total thoracoscopic (transthoracic) approach was developed to resect subdiaphragmatic tumors, which may particularly benefit patients with a hostile abdomen. This article summarizes the anatomic, technical, and technological considerations for safe resection of lesions in S8.

Keywords

Liver surgery / live resection / thoracoscopy / laparoscopy / minimally invasive liver surgery

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