Tangier disease with heterozygous mutations in the ABCA1 gene: A case report

doi:10.3748/wjg.120674

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Case Report

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Nov 14, 2026; 32(42): 120674
Published online Nov 14, 2026. doi: 10.3748/wjg.120674

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Figure 1 Endoscopic findings from 2022, 2024, and 2026 showing the duodenal bulb, terminal ileum, colon, jejunum and ileum. A and B: Gastroscopy revealed diffuse yellowish-white granular protrusions in the duodenal bulb, resembling a tofu-like appearance in 2022 and 2026; C-E: Colonoscopy demonstrated extensive yellowish-white proliferative and elevated lesions in the mucosa of the terminal ileum, with variable lesion sizes and focal confluent patches in 2022, 2024, and 2026; F-H: The mucosa of the entire colon appeared pale, with numerous yellowish-brown spotted lesions observed in 2022, 2024, 2026; I-K: The mucosa of the rectum appeared yellowish-white with numerous yellowish-brown spotted lesions in 2022, 2024, and 2026; L and M: Capsule endoscopy revealed yellowish-white, dense, granular proliferative changes in portions of the jejunum and ileum, similar to the mucosal changes seen in the duodenal bulb in 2022.

Citation: Xu XF, Wang JW, Wang LY, Chen CX. Tangier disease with heterozygous mutations in the ABCA1 gene: A case report. World J Gastroenterol 2026; 32(42): 120674
URL: https://www.wjgnet.com/1007-9327/full/v32/i42/120674.htm
DOI: https://dx.doi.org/10.3748/wjg.120674

Xu XF, Wang JW, Wang LY, Chen CX. Tangier disease with heterozygous mutations in the ABCA1 gene: A case report. World J Gastroenterol 2026; 32(42): 120674 [DOI: 10.3748/wjg.120674]

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