Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 478)

Change: crescent sign or target sign. Can you see a cresentcrescent sign or target sign on this image? http://www.ajronline.org/cgi/reprint/158/3/619 http://radiology.rsnajnls.org/cgi/content/full/234/2/549 Summary An abdominal plain film diagnosis of appendicitis is not always possible. A significant proportion   View changes from previous version. (Word count: 514)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 409)

Change: of jejunum Summary A diagnosis of appendicitis is not always possible on abdominal plain film. A significant proportion of appendicitis patients will have no plain film signs. However, when the signs of appendicitis are evident, a timely diagnosis will improve patient outcomes. .........back to the applied radiography home page   View changes from previous version. (Word count: 409)

Change: of small bowel suggestion of dilated caecum (top arrow) Appendicolith (5mm) and thick-walled appendix (12mm diameter) on CT (white arrow) Case 2 •42 year old male with right sided abdominal pain •Supine AXR •appendicolith (arrowed) •Erect AXR •Appendicolith (white arrow) •Fluid filled appendix with air/fluid level (black arrow)   View changes from previous version. (Word count: 280)

Change: Material could be blocking the lumen or a focus or nidus upon which faeces adhere and calcium salts are laid down Plain Film Signs of Appendicitis Sign Comment Appendicolith Also known as coproliths, fecaliths and stercoliths appendicoliths are common can appear in various locatoipns with   View changes from previous version. (Word count: 294)

Change:  gas Caecal Ileus seen as dilated caecum Case 1 •21 year old male with months of RIF pain •Increased white cell count •Appendicolith (bottom arrow) •A few prominent loops of small bowel suggestion of dilated caecum (top arrow) Appendicolith (5mm) and thick-walled appendix (12mm diameter) on CT (white arrow)   View changes from previous version. (Word count: 158)

Change: an appendiceal abscess can also be seen as bubbles of gas Caecal Ileus seen as dilated caecum Case 1 •21 year old male with months of RIF pain •Increased white cell count •Appendicolith (bottom arrow) •A few prominent loops of small bowel suggestion of dilated caecum (top arrow)   View changes from previous version. (Word count: 146)

Change: IntroductionIdentifying an appendicolith can assist greatly in diagnosing appendicitis in patients presenting with acute abdominal pain. This page looks at the aappendicolith and other signs of appendicitis.   View changes from previous version. (Word count: 28)