Abstract
Laparoscopic liver resection (LLR) of segment 4b (S4b) involves removing the inferior portion of S4. S4 is divided into two portions: 4a (superior portion) and 4b (inferior portion) [1]. The main indication for isolated anatomic liver resection of S4b is the presence of a tumor, which can be resected with adequate free surgical margins; absence of involvement of the left portal pedicle; no extension through the umbilical scissure on the left; and no involvement of S5 on the right (Fig. 30.1). Limited resections, such as isolated resection of S4b, should always be attempted in order to preserve as much healthy liver parenchyma as possible to decrease the risk of postoperative liver failure after more extended resections and allow re-resection in case of recurrence.
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© 2013 Springer-Verlag Italia
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Giuliante, F., Ardito, F., Vellone, M., Nuzzo, G. (2013). Segment 4b: Laparoscopic Approach. In: Calise, F., Casciola, L. (eds) Minimally Invasive Surgery of the Liver. Updates in Surgery. Springer, Milano. https://doi.org/10.1007/978-88-470-2664-3_30
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DOI: https://doi.org/10.1007/978-88-470-2664-3_30
Publisher Name: Springer, Milano
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