Thursday, April 1, 2021

cupola sign

 Q; What is  cupola sign?

Answer: Cupola sign is visible on the chest or abdominal x-ray and signifies the presence of pneumoperitoneum. "Cupola" is a Latin word and means "little cup". 

In a supine patient with pneumoperitoneum when non-dependent air rises up it can be seen as a lucency under the central area of the diaphragm. This lucency makes the lower thoracic vertebral bodies more prominent. This lucency appears as a cup with a well-defined upper border, Lower border of the cup remains unremarkable.



#radiology
#surgical-critical-care

Reference:

1. Fleming J, Honour H, Pevsner N. The Penguin Dictionary of Architecture: Fourth Edition. Penguin Books. ISBN:0140512411

2. Mindelzun RE, McCort JJ. The cupola sign of pneumoperitoneum in the supine patient. Gastrointest Radiol. 1986;11(3):283-5. doi: 10.1007/BF02035091. PMID: 3743953.

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