Changes

==In childrenLarge intestine (colon)=====Colon diameters===<gallery widths=250 heights=200>File:{{Main measuring sites of colon diameter.jpg|The diameters of different segments X-ray of the large intestine can be compared to the width of lumbar vertebra 2 for more consistent reference ranges on abdominal x-rays.<ref name=Koppen2016>{{cite journal|last1=Koppen|first1=Ilan J. N.|last2=Yacob|first2=Desale|last3=Di Lorenzo|first3=Carlo|last4=Saps|first4=Miguel|last5=Benninga|first5=Marc A.|last6=Cooper|first6=Jennifer N.|last7=Minneci|first7=Peter C.|last8=Deans|first8=Katherine J.|last9=Bates|first9=D. Gregory|last10=Thompson|first10=Benjamin P.|title=Assessing colonic anatomy normal values based on air contrast enemas in children younger than 6 years|journal=Pediatric Radiology|volume=47|issue=3|year=2016|pages=306–312|issn=0301-0449|doi=10.1007/s00247-016-3746-0|url=http://europepmc.org/articles/PMC5316394;jsessionid=2F0B0FCBD478428D0B64AA24476321EE}}</ref>File:Ratios of large intestinal segments compared to lumbar vertebra 2.png|Ratios of large intestinal segments compared to lumbar vertebra 2, as 75th percentile, meaning that 25% of children normally have a ratio higher than this.<ref name=Koppen2016/></gallery>

===Leech score=Small intestine==[[File:Leech scoring areas.jpg|thumb|200px|Areas used for the Leech system of constipation grading.]]For childrenOn abdominal X-rays, the degree of constipation may small intestine is considered to be scored by abnormally dilated when the ''Leech'' or the ''Barr'' systems:*The Leech system assigns a score of 0 to 5 based on the amount of feces:diameter exceeds 3&nbsp;cm.<ref name="LeechMcHugh1999"medscape>{{cite journalweb|last1url=Leech|first1=Susan Chttp://emedicine.|last2=McHugh|first2=Kieran|last3=Sullivan|first3=P. Bmedscape.com/article/374962-overview|title=Evaluation of a method of assessing faecal loading on plain abdominal radiographs in childrenSmall-Bowel Obstruction Imaging|journalwebsite=Pediatric Radiology[[Medscape]]|volumedate=292016-09-22|issueauthor=4Ali Nawaz Khan|yearaccessdate=1999|pages=255–258|issn=03012017-02-0449|doi=10.1007/s00247005058307}}</ref>:*0: no visible feces :*1: scanty feces visible:*2: mild fecal loading:*3: moderate fecal loading:*4: severe fecal loading:*5: severe fecal loading with bowel dilatation:These score are assigned separately for the right colon, the left colon and the rectosigmoid colon, resulting in a maximum score of 15. A Leech score of 9 or greater is regarded as positive for constipation.<ref name="LeechMcHugh1999"/>*The Barr system rates both the amount and consistency of the faeces, and assigns a score separately for the ascending colon, transverse colon, descending colon and rectum. Its maximum score is 22, and a score of 10 or greater is regarded as positive for constipation.<ref name="G.H.2012">{{cite journalweb|last1url=Ghttp://www.|first1=Anthony|last2=Hradiologymasterclass.|first2=Kathleen|title=The Role of Diagnostic Tests in Constipation in Children|journal=|year=2012|doi=10co.5772uk/tutorials/abdo/29213}}<abdomen_x-ray_abnormalities/ref> ==In adults==<gallery widths=250 heights=200>File:Diameters of the large intestine.svg|Average inner diameters and ranges of different sections of the large intestine, not accounting for geometric magnification of projectional radiography.<ref name=Nguyen>{{cite journal |vauthors=Nguyen H, Loustaunau C, Facista A, Ramsey L, Hassounah N, Taylor H, Krouse R, Payne CM, Tsikitis VL, Goldschmid S, Banerjee B, Perini RF, Bernstein C pathology_small_bowel_obstruction|title=Deficient Pms2, ERCC1, Ku86, CcOI in field defects during progression to colon cancer Abdominal X-ray - Abnormal bowel gas pattern|journalwebsite=J Vis Exp |volume= |issue=41 |pages= |year=2010 |pmid=20689513 |pmc=3149991 |doi=10radiologymasterclass.co.3791/1931 uk|urlaccessdate=2017-02-07}}</ref></gallery>