Stained colon. Colonoscope (endoscope) view of the darkly stained (pigmented) colonic surface of a patient with melanosis coli. This condition is caus

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Stained colon. Colonoscope (endoscope) view of the darkly stained (pigmented) colonic surface of a patient with melanosis coli. This condition is caused by prolonged use (or abuse) of laxative drugs, used to treat constipation. These drugs containe anthracene, a pigment extracted from coal tar. The condition is benign and reversible.

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Size: 3746px × 3758px
Photo credit: © DAVID M. MARTIN, MD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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