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Normal Anatomy > Lesson 6 (Part 2) > Flashcards

Lesson 6 (Part 2) Flashcards

1
Q

Where is the bare area located?

A

On the posterior superior aspect of the liver

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2
Q

What is the bare area directly touching?

A

The diaphragm

- only part not covered by peritoneum

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3
Q

How does the falciform ligament run?

A

Sagittally

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4
Q

When scanning the ligamentum venosum sagittally, what are your 2 landmarks?

A
  1. IVC

2. Hepatic artery

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5
Q

How does the ligamentum venosum appear on a sonogram?

A

Echoic

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6
Q

What is in between the ligamentum venosum and the IVC?

A

The caudate lobe

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7
Q

What does the main lobar fissure connect?

A

The gallbladder and the fossa of the IVC

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8
Q

What is the vasculature of the liver? (2)

A
  1. Hepatic veins
    - first tributaries
  2. Hepatic arteries
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9
Q

Where are the hepatic veins compared to the hepatic arteries?

A

Hepatic veins = more superior

Hepatic arteries = more inferior

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10
Q

What is the only fissure we see sonographically?

A

The main lobar fissure

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11
Q

When do the hepatic veins get larger?

A

As they move into the IVC

- more posterior and moves anterior

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12
Q

Intersegmental

A

Definite division between borders

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13
Q

What is an example of intersegmental?

A

Hepatic veins

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14
Q

Intrasegmental

A

Borders are unclear

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15
Q

What is an example of intrasegmental?

A

Portal veins

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16
Q

How do you measure the liver?

A

Posterior superior to anterior inferior tip

17
Q

What is the range of the midclavicular line for the right lobe?

A

13-17cm

18
Q

What is the range of the midclavicular line for the left lobe?

A

Variable

19
Q

How can you tell if the liver is too big?

A

Compare it to other organs

20
Q

What is the echotexture of the liver?

A

Homogeneous

21
Q

What is the echogenicity of the liver compared to the renal cortex?

A

Hyperechoic or isoechoic

22
Q

What is the echogenicity of the liver compared to the spleen?

A

Hypoechoic

23
Q

What is the echogenicity of the liver compared to the kidney?

A

Hyperechoic

24
Q

What is the contour of the liver?

A

Smooth borders

25
Q

What is the shape of the left and right lobe of the liver?

A
  1. Left lobe = triangular shape

2. Right lobe = varies

26
Q

What can you use as a window to see the liver sonographically?

A

The ribs

27
Q

What are 2 scanning approaches for the liver?

A
  1. Subcostal
    - under the ribs
  2. Intercostal
    - between ribs
28
Q

What are 2 positions you can have the patient in when scanning the liver?

A
  1. Supine

2. Left lateral decubitus

Normal Anatomy (47 decks)

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