Melanosis
Colonoscopy - Melanosis masquerading as cancer
A case of a middle aged patient who underwent colon cancer screening. During colonoscopy a lesion in the cecum was found and interpreted as a cancer. A snare resection and a tattoo were performed. Histopathological...
Melanosis Coli (5 of 5)
Endoscopic Image of Melanosis Coli. Colonoscopy showing diffuse brownish pigmentation of the colonic mucosa compatible with melanosis coli.
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...
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