Change: air-filled (but not dilated). Encircling valvulae conniventes visible depending on degree of air filling/distention. Valvulae conniventes more widely spaced in ileum Wall pattern can be effaced if distended Haustral folds interspaced with Plicae semilunaris Wall pattern can be effaced if distended Size Variable Up to 30mm Up to 50-60mm Up   View changes from previous version. (Word count: 1709)

Change:  a a supine abdominal plain film despite its variable appearance and position. The stomach can be positioned high and horizontal or vertical and long, dropping down   View changes from previous version. (Word count: 1702)

Change: is the major apron-like part of the greater omentum which attaches the stomach to the transverse colon. colon. Unfortunately, this ligament can vary in length up to 15cm. 15cm. Despite this variable length, if you can identify the greater curve of the stomach, you can hazard a reasonable approximation of   View changes from previous version. (Word count: 1697)

Change: The dilated sigmoid colon is often difficult to positively identify. This patient has dilated colon which is sited mid to low abdomen. The maximum diameter is 88mm. Small bowel rarely dilated to more than 50mm. The position, size and ambiguous wall pattern suggest that this is dilated sigmoid colon.   View changes from previous version. (Word count: 1606)

Change: You cant beat faeces when it comes to positive identification of the large bowel. Neither the stomach nor the small bowel contain faeces. The arrowed bowel does not demonstrate a clearly identifiable wall pattern...doesn't matter... it contains faeces...must be large bowel. The Large Bowel String of Pearls Sign The   View changes from previous version. (Word count: 1545)

Change: You could be forgiven for thinking that this patient has been drinking dilute gastrografin. This appearance is a gasless small bowel obstruction and the opaque   View changes from previous version. (Word count: 1499)

Change: possible. A knowledge of the normal distinguishing features of stomach, small bowel, and large bowel will assist in making a reasonablean call.informed differentiation. .....return to the Applied Radiography page   View changes from previous version. (Word count: 1499)

Change: This is a post-op supine abdominal image. The large central airfilled structure does not demonstrate any consistent features of large or small bowel anatomy. It is likely to represent a post-op surgical pneumoperitoneum Summary Differentiation between small and large bowel visualised on   View changes from previous version. (Word count: 1498)

Change: The large bowel (white arrows) can be seen to frame the abdomen. The prominent air-filled ileum (black arrow) occupies a more central location wthin the peritoneal cavity. These distribution features can be helpful in differentiating large bowel from small bowel. Summary Differentiation between small and large   View changes from previous version. (Word count: 1411)

Change:  The large bowel will normally contain air. This is air produces partly from fermentation processe within the large bowel. The transverse colon and sigmoid colon are the least dependent segments of the large bowel in the supine position and will tend to fill with air. Summary Differentiation between small   View changes from previous version. (Word count: 1362)