PMC5580148_01
CT images revealing a large distension of the colon (A and B) proximally to a rectal stenosis with thickened wall and a radiopaque image in its lumen (C).
gr1.jpg
PMC5580148_01_gr1.jpg
fig0005
An abdominal X-ray demonstrated marked colonic distension and computed tomography (CT) revealed a malignant rectal stenosis with proximal colonic dilation (Fig. 1A-C). Upon CT review, a radiopaque object was found within the rectal stricture (Fig. 1C).
Endoscopic images showing a congestive rectal mucosa and a narrowed lumen with an impacted chicken bone occluding the luminal passage (A), which was removed with a rat-tooth forceps (B). After extraction of the foreign body (C), the malignant stricture was easily traversed and was only causing a minor narrowing of the lumen (D).
gr2.jpg
PMC5580148_01_gr2.jpg
fig0010
The sigmoidoscopy depicted a malignant stricture with an impacted chicken bone leading to edema and complete obstruction (Fig. 2A). After removal of the foreign body with a rat-tooth forceps (Fig. 2B and C), the colonoscope was easily passed beyond the stricture (Fig. 2D).