Black Pigmentation of Terminal Ileum after Long Term Ingestion of Charcoal

Jun Young Lee; Sung Bum Kim; Sang Hoon Lee; Hee Jung Moon; Jae Won Choi; Jong Ryul Eun; Byung Ik Jang; Tae Nyeun Kim; Joon Hyuk Choi

doi:10.12701/yujm.2007.24.2S.S623

Case Report Gastroenterology and Hepatology Black Pigmentation of Terminal Ileum after Long Term Ingestion of Charcoal: Jun Young Lee¹, Sung Bum Kim¹, Sang Hoon Lee¹, Hee Jung Moon¹, Jae Won Choi¹, Jong Ryul Eun¹, Byung Ik Jang¹, Tae Nyeun Kim¹, Joon Hyuk Choi²; Journal of Yeungnam Medical Science 2007;24:S623.
DOI: https://doi.org/10.12701/yujm.2007.24.2S.S623
Published online: December 31, 2007

¹Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Korea
²Department of Pathology, College of Medicine, Yeungnam University, Daegu, Korea

Corresponding author: Byung Ik Jang, Tel: (053) 620-3831, Fax: (053) 654-8386,
Email: jbi@med.yu.ac.kr

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Abstract

Isolated pigmentation of the terminal ileum is rare incidental finding when performing a colonoscopic examination. The common substances that cause gastrointestinal pigmentations are lipofuscin, iron sulphide(FeS), hemosiderin, and other exogenous materials such as silicates and titanium. In most cases, pigmentation of the terminal ileum has no subjective symptoms, so it is found in autopsy or incidental colonoscopic examination. The cause of pigmentation has not been clearly identified. We experienced a case of pigmentation of terminal ileum associated with long term charcoal ingestion. This finding supports that the source of ileal pigmentation is ingested material.

Keywords: Colonoscopy, Ileum, Pigmentation, Charcoal

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