colonoscopy
Melanosis Coli (2 of 5)
Anthranoid-containing herbal laxatives damage epithelial cells, leading to changes in absorption,secretion and motility. They can induce cell loss, shortening of mucosal crypts and increased cell...
Melanosis Coli (1 of 5)
The presence of identical pigment in macrophages of pericolonic lymph nodes has been reported. This case implies that the melanosis pigment-laden macrophages formed in the lamina propria of the colon...
Melanosis Coli (2 of 2)
Melanosis coli is a darkening of the colonic mucosa caused by the accumulation of lipofuscin particles within the macrophages of the lamina propria of the colonic mucosa as a result of long term exposure...
Melanosis Coli (1 of 2)
This is the photograph of the colon, and there is an extremely dark appearance to the wall of the colon. This is seen in patients who have taken laxatives over many years and the pigment from the laxative...
Status Post Appendectomy
Stump resembles a polyp at appendiceal orifice in patients post-appendectomy.
Status Post Hemicolectomy (2 of 2)
A case of pseudo obstruction due to a status post surgery of right hemicolectomy due to cecum carcinoma. The video clip displays the invagination opening and the colonoscope pass through to the ileon...
Status Post Hemicolectomy (1 of 2)
The patient had episodic abdominal pseudo obstruction, one year after surgery; the small diameter of the anastomosis was found to be invaginated. The colonoscope passed through to the ileon for 20...
Histoplasmosis of the Colon (3 of 3)
More images and video clips. Stenosis of rectosigmoid junction due to histoplasmosis.
Histoplasmosis of the Colon (2 of 3)
Endoscopic Image of Histoplasmosis of the Colon. The video clip displays two ulcerated lesions. The biopsies, serologic test, as well as the clinical course, revealed histoplasma capsulatum.
Histoplasmosis of the Colon (1 of 3)
A 3 year-old boy with abdominal pain and diarrhea of six months. The patient suffered of congenital humoral immunodeficiency IgG, IgA.
Magnifying Colonoscopy (2 of 2)
In this image and the video clip a rectal artery is seen using a magnifying colonoscope.
Magnifying Colonoscopy (1 of 2)
This image displays a tiny eritematous lesion of the rectum seen with magnifying colonoscope, to appreciate this lesion you should see the video clip.
Cecum: Appendiceal Orifice
This is a photograph of an inverted appendix which an inexperienced endoscopist could mistakenly take for a polyp. Attempts to remove this 'polyp' could potentially cause perforation.
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