Liver

Question 0

How many segments to the liver are there?

Answer 0

8

Question 1

How is the anatomy of the liver divided into segments

Answer 1

Split vertically by the left middle and right hepatic veins

Split horizontally in by the left and right branches of the portal vein

Question 2

Describe the divisions of the left lobe of the liver

Answer 2

Consists of segments 1/2/3/4a/4b

Left hepatic vein splits vertically into: 4a 4b and 2 3

The left portal vein splits into upper and lower

Question 3

Describe the appearance of sliver of liver

Answer 3

Extension of segments 2/3 extends up to the spleen

Question 4

Describe the appearance of a papillary process

Answer 4

Extension of the caudate lobe segment 1. Anteromedially

Question 5

Describe the cause and appearances of pseudo accessory fissures of the liver

Answer 5

Due to invagination of diaphragm insertions.

Can mimic macronodular cirrhosis

Question 6

Describe the appearances of a riedels lobe and accessory lobes

Answer 6

Excessive hepatic Parenchymal growth of the right lobe anterior segment

Accessory lobes develop from the inferior margins as pedunculated masses

Question 7

List the anomalies and anatomical variants of the liver

Answer 7

Sliver of liver
Papillary process of caudate lobe
Pseudo accessory fissures

Riedels lobe
Pedunculated accessory lobes
Agenesis
Hypoplasia
Aphasia