Friday 1 November 2013

RIGLER'S SIGN




RIGLER'S SIGN  

Q.All are signs of pneumoperitoneum on x ray except

a. Rigler’s(double) sign
b. football or air dome sign
c. ghost-like appearance of bowel
d. beak sign



ANS :d

Visualization of both the outer and inner walls of a bowel loop is known as Rigler's sign. The bowel loops then take on a ‘ghost-like’ appearance.
The football sign refers to a large oval radiolucency in the shape of an American football . The long axis of the “football” runs cephalocaudad, and the blunted ends are defined by the diaphragm and pelvic floor. 


REF :
Adam: Grainger & Allison's Diagnostic Radiology, 5th ed.

No comments:

Post a Comment