An Old Lady with Pencil-Thin Stool

Moderator's Introduction

I am pleased to introduce Dr Douglas Rex of Indiana University in Indianapolis, Indiana, as the Guest Discussant for this case. Dr Rex is well known for his diverse interests in gastroenterology, particularly relating to colonic diseases and colonoscopy. Welcome, Dr Rex.

References

• 1 Rex D K, Johnson D A, Lieberman D A, et al. Colorectal cancer prevention 2000: screening recommendations of the American College of Gastroenterology.  Am J Gastroenterol. 2000;  95 868-877
• 2 Lieberman D A, Garmo P L, Fleischer D, et al. Colonic neoplasia in patients with non-specific GI symptoms.  Gastrointest Endosc. 2000;  51 647-651
• 3 Rex D K, Mark D, Clarke B, et al. Flexible sigmoidoscopy plus air contrast barium enema versus colonoscopy for evaluation of symptomatic patients without evidence of bleeding.  Gastrointest Endosc. 1995;  42 132-138
• 4 ASGE Practice Guidelines. Guideline on the management of anticoagulation and anti-platelet therapy for endoscopic procedures.  Gastrointest Endosc. 1998;  48 672-675
• 5 Marshall J B, Hoyt T S, Seger R M, et al. Air contrast barium enema studies after flexible proctosigmoidoscopy: randomized controlled clinical trial.  Radiology. 1990;  176 549-551
• 6 Mark D G, Rex D K, Lappas J C. Quality of air contrast barium enema performed the same day as incomplete colonoscopy with air insufflation.  Gastrointest Endosc. 1992;  38 693-695
• 7 Ness R M, Gottlieb K, Rex D K, et al. Difficult sigmoid colon intubation: guide wire exchange technique.  Gastrointest Endosc. 1996;  44 99-101
• 8 Adamek H E, Breer H, Karschkes T, et al. Magnetic resonance imaging in gastroenterology: time to say goodbye to all that endoscopy?.  Endoscopy. 2000;  32 406-410
• 9 Rex D K. Virtual colonoscopy: time for some tough questions for radiologists and gastroenterologists.  Endoscopy. 2000;  32 260-263