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Paradigm shift: should preoperative 3D reconstruction models become mandatory before hepatectomy for hepatocellular
Emanuele Felli1, Emmanuel Boleslawski2, Daniele Sommacale3
1Unité Chirurgie HBP, Pôle hépato-digestif Nouvel Hôpital Civil, Strasbourg, France; Institut of Viral and Liver Disease, Inserm U1110, Strasbourg, France; IHU Strasbourg - Institut de Chirurgie Guidée par l'image, Strasbourg, France; IRCAD, Research Institute Against Digestive Cancer, Strasbourg, France.
Background:
A preoperative surgical strategy before hepatectomy for hepatocellular carcinoma is fundamental to minimize postoperative morbidity and mortality and to reach the best oncologic outcomes. Preoperative 3D reconstruction models may help to better choose the type of procedure to perform and possibly change the initially established plan based on conventional 2D imaging.
Methods:
A non-randomized multicenter prospective trial with 136 patients presenting with a resectable hepatocellular carcinoma who underwent open or minimally invasive liver resection. Measurement was based on the modification rate analysis between conventional 2D imaging (named "Plan A") and 3D model analysis ("Plan B"), and from Plan B to the final procedure performed (named "Plan C").
Results:
The modification rate from Plan B to Plan C (18%) was less frequent than the modification from Plan A to Plan B (35%) (OR = 0.32 [0.15; 0.64]). Concerning secondary objectives, resection margins were underestimated in Plan B as compared to Plan C (-3.10 mm [-5.04; -1.15]).
Conclusion:
Preoperative 3D imaging is associated with a better prediction of the performed surgical procedure for liver resections in HCC, as compared to classical 2D imaging.
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