Robotic Resection of a Central Liver Solitary Fibrous Tumor (with Video)

Antoine Camerlo, Charles Vanbrugghe, Frederic Cohen, Régis Fara
Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract 2020 July 15

BACKGROUND: Solitary fibrous tumor is a mesenchymal tumor rare in liver parenchyma 1 but must be considered as a differential diagnosis of a single large hepatic mass. Surgical resection is the treatment because of its potential malignancy, and previous interventions reported were open hepatectomy 2. Robotic assets could improve accessibility for difficult liver resection 3. We present the video of a robotic left hepatectomy extended to caudate lobe and median hepatic vein for central liver tumor.

METHODS: A central liver tumor was incidentally detected during abdominal ultrasonography in a 30-year-old man with no medical history. Laboratory tests were normal. CT scan and MRI revealed a solid mass measuring 9 cm involving segments I-IV-VIII and median/left hepatic veins. Percutaneous biopsy confirmed diagnosis of benign liver solitary fibrous tumor. Surgical resection by left hepatectomy extended to segment 1 and median hepatic vein was planned.

RESULTS: Da Vinci X system was docked from patient's head. Four robotic ports were placed in right hypochondrium. Two laparoscopic ports were placed for the second surgeon. Extended left hepatectomy was performed with hilar approach. Parenchymal transection was led on the right side of median hepatic vein using laparoscopic ultrasonic dissector and robotic irrigated bipolar. Segment 1 was released with a mediocaudal approach. Procedure was facilitated by good exposure of operative field with arm 4, stable vision, articulated instrumentation and a "4-hand parenchymal dissection".

CONCLUSION: Minimal invasive resection of liver solitary fibrous tumor seems safe and feasible. Because of its advantages compared with laparoscopy, robotic approach could improve accessibility to central tumors liver resection.

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