Left medial segment of liver

Segmentum mediale sinistrum hepatis

  • Latin synonym: Segmentum IV hepatis
  • Synonym: Segment IV of liver
  • Related terms: Left medial segment; Segment IV; Segment IV; Left medial segment

Definition

The left medial segment (Segment IV) is the anterior part of the left medial division, corresponding to the quadrate lobe.

It issituated between the left and middle hepatic veins. May be subdivided in two subsegments by the portal plane (according to Bismuth):

  • IVa: Superior subsegment of the medial segment

  • IVb: Inferior subsegment of the medial segment

References

Text by Antoine Micheau, MD - Copyright IMAIOS

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