Presentation
Chronic constipation.
Patient Data
Age: 50 years
Gender: Female
From the case:
Normal colon transit
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4 of the 24 markers are retained on day 5, located within the transverse and sigmoid colon as well as rectum.
There is also a curvilinear density at right pelvis compatible with enhanced appendix due to recent barium study.
Case Discussion
There are numerous variations in how a colonic transit study is conducted and how the findings are interpreted. In this case, 24 markers are ingested and abdominal x-rays taken 1, 24, 48, 72, 96 and 120 hours later. If 24 markers are used, then <5 rings should be present in five days.
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