Case Report
Copyright ©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Aug 6, 2022; 10(22): 7899-7905
Published online Aug 6, 2022. doi: 10.12998/wjcc.v10.i22.7899
Non-secretory multiple myeloma expressed as multiple extramedullary plasmacytoma with an endobronchial lesion mimicking metastatic cancer: A case report
Seul Bi Lee, Chi Young Park, Hee Jeong Lee, Ran Hong, Woo Shin Kim, Sang-Gon Park
Seul Bi Lee, Chi Young Park, Hee Jeong Lee, Sang-Gon Park, Department of Hemato-oncology, Chosun University Hospital, Gwangju 501-717, South Korea
Ran Hong, Department of Pathology, Chosun University Hospital, Gwangju 501-717, South Korea
Woo Shin Kim, Department of Laboratory Medicine, Chosun University Hospital, Gwangju 501-717, South Korea
Author contributions: Lee SB were the major contributors in writing the manuscript; Park CY, Lee HJ, Hong R, and Kim WS advised the manuscript; Park SG were involved in drafting, writing and editing the manuscript, and reviewed the manuscript as corresponding author; all authors read and approved the final manuscript.
Supported by the Clinical Medicine Research Institute at Chosun University Hospital (2019).
Informed consent statement: All study participant provided informed written consent prior to study enrollment.
Conflict-of-interest statement: The authors declare that they have no conflict 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: Sang-Gon Park, MD, Assistant Professor, Department of hemato-oncology, Chosun Univ Hosp, 365 Pilmun-daero, Dong-gu, Gwangju 501-717, South Korea. sgpark@chosun.ac.kr
Received: August 24, 2021
Peer-review started: August 24, 2021
First decision: November 17, 2021
Revised: November 26, 2021
Accepted: June 24, 2022
Article in press: June 24, 2022
Published online: August 6, 2022
Processing time: 332 Days and 2 Hours
Core Tip

Core Tip: Endobronchial and maxillary mass lesions without abnormality on laboratory examination are easily misdiagnosed as metastases of primary lung cancer or other head and neck malignancies. Histopathological studies are required to avoid erroneous diagnoses.