Fundamentals of large bowel physiology related to the problems of DCBE

  • Giorgio Cittadini


In a modern radiological approach to the study of large bowel diseases starting from the technical implementation of individual examinations, a deep knowledge of the physiology and physiopathology of the intestine is required. For example, the DCBE technique involves a preparatory phase followed by the implementation of the proper examination, during which maneuvers are carried out that may alter the physiologic balance of the large bowel. Cleansing enemas, laxatives of various types, the injection into the colon of barium mixed with air, lead all to major motor and metabolic changes which the radiologist cannot neglect. Therefore, before examining each of them in detail, we shall first examine some basic Physiopathologic concepts of the large bowel, with the aim to better evaluate the mutual impact between radiological examination and the most important functions of the colon: absorption, excretion, secretion, intestinal flora activity and motility (Table 1).


Large Bowel Double Contrast Barium Enema Water Saving Potential Large Bowel Disease Bowel Physiology 
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Copyright information

© Springer-Verlag Italia, Milano 1998

Authors and Affiliations

  • Giorgio Cittadini
    • 1
  1. 1.Department of RadiologyUniversity of Genoa School of Medicine San Martino HospitalGenoaItaly

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