Sliding hiatus hernia

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MCQ 163

Q. Which of the following best describes Sliding hiatus hernia ?

a. Oesophago-gastric junction (OG junction) sliding just above the diaphragmatic hiatus
b. OG junction sliding 1cm above the diaphragmatic hiatus
c. OG junction sliding 2cm above the diaphragmatic hiatus
d. OG junction sliding > 2cm above the diaphragmatic hiatus

ANSWER:

Answer : D - OG junction sliding > 2cm above the diaphragmatic hiatus
Normally OG junction can be visualized on a barium swallow 2 cm above or below the diaphragmatic hiatus. When there is tear of oesophago-phrenic ligament, then the OG junction may slide > 2cm above which is then termed sliding hernia.

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