Case Report
Copyright ©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Jan 16, 2023; 11(2): 449-455
Published online Jan 16, 2023. doi: 10.12998/wjcc.v11.i2.449
Habitual khat chewing and oral melanoacanthoma: A case report
Hamad Albagieh, Ashwag Aloyouny, Rana Alshagroud, Abdulaziz Alwakeel, Shahad Alkait, Fatimah Almufarji, Ghadeer Almutairi, Rana Alkhalaf
Hamad Albagieh, Rana Alshagroud, Oral Medicine and Diagnostic Science Department, College of Dentistry, King Saud University, Riyadh 12372, Saudi Arabia
Ashwag Aloyouny, Basic Dental Science, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
Abdulaziz Alwakeel, Oral Medicine, Ministry of Health, Tabuk 00000, Saudi Arabia
Shahad Alkait, Fatimah Almufarji, Ghadeer Almutairi, Rana Alkhalaf, Postgraduate, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
Author contributions: Albagieh HN served as the patient’s oral medicine specialist and contributed to data collection; Aloyouny AY reviewed the literature and contributed to data collection, data interpretation, and manuscript drafting; Alshagroud RS served as the patient’s oral pathology specialist and contributed to data collection and data interpretation; Alwakeel AA, Alkait SS, Almutairi GG, Almufarji FS, and Alkhalaf RS contributed to data collection, data interpretation, manuscript drafting, and manuscript revision; all authors have issued final approval for the version to be submitted.
Informed consent statement: Informed written consent was obtained from the patient to publish this case report and accompanying images.
Conflict-of-interest statement: The authors declare that they have no conflicts of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Ashwag Aloyouny, Doctor, Doctor, Basic Dental Science, College of Dentistry, Princess Nourah bint Abdulrahman University, Academic Rd W, Riyadh 11671, Saudi Arabia. aloyouas-j@hotmail.com
Received: October 14, 2022
Peer-review started: October 14, 2022
First decision: November 22, 2022
Revised: December 4, 2022
Accepted: December 21, 2022
Article in press: December 21, 2022
Published online: January 16, 2023
Core Tip

Core Tip: Habitual khat chewing causes many oral tissue changes including oral melanoacanthoma. Oral melanoacanthoma is a rare and benign oral pigmentation rarely triggered by khat chewing. The patient in the current case with a khat chewing habit presented with unilateral, diffused, and dark pigmentation in the oral mucosa.