A Dark Finding in the Colon

Discover the cause of dark pigmentation in the colon seen on Endoscopy. Learn about this benign, reversible condition linked to a common medication.

Laxative use


This appearance was noticed during routine colonoscopy. What is the diagnosis?

What is the most likely diagnosis?

Addison’s disease
Hemochromatosis
Laxative use
Metastatic melanoma
von Hippel-Lindau disease

Colonoscopy, Gastroenterology, Laxative use, Melanosis coli, Pigmentation

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