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Flashcards in Oesophagus Deck (8)
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0

Which veins form portosystemic anastamoses in oesophagus?

Oesophageal veins of left gastric vein - portal
Oesophageal veins of vena azygos - systemic

1

At what point does the oesophagus cross the diaphragm?

T10

2

What are the oesophagus' anatomical relations and why is this important for imaging?

Posterior to trachea and left atrium of heart
Allows use of transoesophageal imaging of heart

3

What forms the lower oesophageal sphincter?

Right crus of diaphragm - sling of muscle

4

Where does the oesophagus start and finish?

Begins at lower laryngopharynx C6/7, upper oesophageal sphincter
Ends at stomach
25cm long

5

What portion of the oesophagus is controlled by voluntary skeletal muscle?

Upper 1/3

6

What are the complications of a hernia?

Incarceration - becomes stuck
Strangulation - Ischaemia of herniated structure

7

What are two types of hiatus herniae?

Sliding: the gastroesophageal junction moves above the diaphragm with part of the stomach
Rolling: part of the stomach protrudes through the diaphragm without movement of the gastroesophageal junction