Hepatic bisegmentectomy 7-8 for a colorectal metastasis. [Letter to the Editor]
Machado MA, Machado MC.
Eur J Surg Oncol 2006; 32:813.



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We read with interest the article on hepatic bisegmentectomy 7-8 by Capussotti et al. We also perform this very challenging liver resection, and consider it feasible even in the absence of a large inferior right hepatic vein (technique, and report of four cases without the inferior right hepatic vein). According to recent reports, this type of resection requires the presence of a large accessory right inferior hepatic vein to drain the remaining segment 6. Capussotti et al. report a very elegant color-Doppler intraoperative ultrasound (IOUS) study to evaluate the vascular pattern of the remaining segment 6 and reached the same conclusion as we do about the feasibility of this procedure. In our own paper, the mean follow up of the patients was 12 months. We had the opportunity to verify late results and the complete regeneration of the remaining right liver segments 5 and 6. Capussotti et al. would not have known that our paper on the same subject was in press elsewhere. The most important fact is that both papers are complementary and reach the same conclusion: bisegmentectomy 7-8 can safely be performed with good immediate and late results even in the absence of a large inferior right hepatic vein.