alb10653134

MELANOSIS COLI

A benign condition of the colon due to deposition of melanin, a black pigment, in the colon. This is associated with laxative abuse, particularly anthracene type cathartics: cascacara, senna, aloe, rhubarb and frangula. Cessation of the laxative results in disappearance of the pigmentation. Lymph follicles and polyps do not take up the pigment.

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Title: MELANOSIS COLI

Caption: A benign condition of the colon due to deposition of melanin, a black pigment, in the colon. This is associated with laxative abuse, particularly anthracene type cathartics: cascacara, senna, aloe, rhubarb and frangula. Cessation of the laxative results in disappearance of the pigmentation. Lymph follicles and polyps do not take up the pigment.

Credit: Album / Science Source / DAVID MUSHER

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Image size: 2400 × 2400 px | 16.5 MB

Print size: 20.3 × 20.3 cm | 944.9 × 944.9 in (300 dpi)

Keywords: ABUSE • ALOE • BENIGN • CASCARA • CHRONIC • COLON • COLONOSCOPY • CONSTIPATION • DIARRHOEA • FRANGULA • INJURY • LAXATIVE • LESION • MELANIN • MELANOSIS • OF • PIGMENTATION • RHUBARB • SENNA • THE • WOUND