melanosis coli


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melanosis coli

[‚mel·ə′nō·səs ′kō‚lī]
(pathology)
Melanotic pigmentation of the mucosa of the colon in large numbers of minute foci.
References in periodicals archive ?
For reasons yet to be elucidated, melanosis coli generally avoids adenomas, as our study demonstrated.
This syndrome is characterized by progressive infant encephalopathy, developmental delay, dementia, autism, ataxia, microcephaly, spastic paraparesis, and autonomic neuropathy.[1] Melanosis coli is a common endoscopic finding related to the use of anthracene-containing laxatives.[2,3] Often, reticular areas are not stained because of the variation in pigment deposition.
One report described necrotic pseudoxanthomatous nodules of the ovary in patients with ovarian endometriosis.[23] In another report, a patient with squamous cell carcinoma of the cervix developed "pigmentosis tubae," thought to be due to cellular damage caused by radiotherapy and considered to be similar to melanosis coli.[24] In another article, the authors suggested their patients had a form of old endometriosis rather than salpingitis.[25]